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* [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication
@ 2019-11-22  5:45 Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 009/219] ARM: dts: imx53: " Sasha Levin
                   ` (209 more replies)
  0 siblings, 210 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 6a9681168b83c62abfa457c709f2f4b126bd6b92 ]

Boards based on imx51 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx51.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx51-apf51.dts                 | 1 +
 arch/arm/boot/dts/imx51-babbage.dts               | 1 +
 arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi | 1 +
 arch/arm/boot/dts/imx51-eukrea-cpuimx51.dtsi      | 1 +
 arch/arm/boot/dts/imx51-ts4800.dts                | 1 +
 arch/arm/boot/dts/imx51-zii-rdu1.dts              | 1 +
 arch/arm/boot/dts/imx51-zii-scu2-mezz.dts         | 1 +
 arch/arm/boot/dts/imx51-zii-scu3-esb.dts          | 1 +
 arch/arm/boot/dts/imx51.dtsi                      | 2 --
 9 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx51-apf51.dts b/arch/arm/boot/dts/imx51-apf51.dts
index 79d80036f74de..1eddf2908b3f2 100644
--- a/arch/arm/boot/dts/imx51-apf51.dts
+++ b/arch/arm/boot/dts/imx51-apf51.dts
@@ -22,6 +22,7 @@
 	compatible = "armadeus,imx51-apf51", "fsl,imx51";
 
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index ba60b0cb3cc13..99191466a8085 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -15,6 +15,7 @@
 	};
 
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
index 5761a66e8a0d3..82d8df097ef1f 100644
--- a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
+++ b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
@@ -17,6 +17,7 @@
 	compatible = "digi,connectcore-ccxmx51-som", "fsl,imx51";
 
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0x08000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx51-eukrea-cpuimx51.dtsi b/arch/arm/boot/dts/imx51-eukrea-cpuimx51.dtsi
index f8902a338e49a..2e3125391bc49 100644
--- a/arch/arm/boot/dts/imx51-eukrea-cpuimx51.dtsi
+++ b/arch/arm/boot/dts/imx51-eukrea-cpuimx51.dtsi
@@ -23,6 +23,7 @@
 	compatible = "eukrea,cpuimx51", "fsl,imx51";
 
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0x10000000>; /* 256M */
 	};
 };
diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts
index 39eb067904c3d..4344632f79400 100644
--- a/arch/arm/boot/dts/imx51-ts4800.dts
+++ b/arch/arm/boot/dts/imx51-ts4800.dts
@@ -18,6 +18,7 @@
 	};
 
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0x10000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts
index 6e80254c4562a..d0e0eb9c9adfa 100644
--- a/arch/arm/boot/dts/imx51-zii-rdu1.dts
+++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts
@@ -53,6 +53,7 @@
 
 	/* Will be filled by the bootloader */
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts b/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts
index 26cf08549df40..f5b2d768fe47f 100644
--- a/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts
+++ b/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts
@@ -18,6 +18,7 @@
 
 	/* Will be filled by the bootloader */
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51-zii-scu3-esb.dts b/arch/arm/boot/dts/imx51-zii-scu3-esb.dts
index e6ebac8f43e4f..ad90d66ccca6c 100644
--- a/arch/arm/boot/dts/imx51-zii-scu3-esb.dts
+++ b/arch/arm/boot/dts/imx51-zii-scu3-esb.dts
@@ -18,6 +18,7 @@
 
 	/* Will be filled by the bootloader */
 	memory@90000000 {
+		device_type = "memory";
 		reg = <0x90000000 0>;
 	};
 
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index ef2abc0978439..81f60c96a2e41 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -16,10 +16,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 009/219] ARM: dts: imx53: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 010/219] ARM: dts: imx31: " Sasha Levin
                   ` (208 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit e8fd17b900a4a1e3a8bef7b44727cbad35db05a7 ]

Boards based on imx53 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx53.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx53-ard.dts         | 1 +
 arch/arm/boot/dts/imx53-cx9020.dts      | 1 +
 arch/arm/boot/dts/imx53-m53.dtsi        | 1 +
 arch/arm/boot/dts/imx53-qsb-common.dtsi | 1 +
 arch/arm/boot/dts/imx53-smd.dts         | 1 +
 arch/arm/boot/dts/imx53-tqma53.dtsi     | 1 +
 arch/arm/boot/dts/imx53-tx53.dtsi       | 1 +
 arch/arm/boot/dts/imx53-usbarmory.dts   | 1 +
 arch/arm/boot/dts/imx53.dtsi            | 2 --
 9 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx53-ard.dts b/arch/arm/boot/dts/imx53-ard.dts
index 117bd002dd1d1..7d5a48250f867 100644
--- a/arch/arm/boot/dts/imx53-ard.dts
+++ b/arch/arm/boot/dts/imx53-ard.dts
@@ -19,6 +19,7 @@
 	compatible = "fsl,imx53-ard", "fsl,imx53";
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx53-cx9020.dts b/arch/arm/boot/dts/imx53-cx9020.dts
index cf70ebc4399a2..c875e23ee45fb 100644
--- a/arch/arm/boot/dts/imx53-cx9020.dts
+++ b/arch/arm/boot/dts/imx53-cx9020.dts
@@ -22,6 +22,7 @@
 	};
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x20000000>,
 		      <0xb0000000 0x20000000>;
 	};
diff --git a/arch/arm/boot/dts/imx53-m53.dtsi b/arch/arm/boot/dts/imx53-m53.dtsi
index ce45f08e30514..db2e5bce9b6a1 100644
--- a/arch/arm/boot/dts/imx53-m53.dtsi
+++ b/arch/arm/boot/dts/imx53-m53.dtsi
@@ -16,6 +16,7 @@
 	compatible = "aries,imx53-m53", "denx,imx53-m53", "fsl,imx53";
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x20000000>,
 		      <0xb0000000 0x20000000>;
 	};
diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index 50dde84b72ed7..f00dda334976a 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -11,6 +11,7 @@
 	};
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x20000000>,
 		      <0xb0000000 0x20000000>;
 	};
diff --git a/arch/arm/boot/dts/imx53-smd.dts b/arch/arm/boot/dts/imx53-smd.dts
index 462071c9ddd73..09071ca11c6cf 100644
--- a/arch/arm/boot/dts/imx53-smd.dts
+++ b/arch/arm/boot/dts/imx53-smd.dts
@@ -12,6 +12,7 @@
 	compatible = "fsl,imx53-smd", "fsl,imx53";
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi
index a72b8981fc3bd..c77d58f06c949 100644
--- a/arch/arm/boot/dts/imx53-tqma53.dtsi
+++ b/arch/arm/boot/dts/imx53-tqma53.dtsi
@@ -17,6 +17,7 @@
 	compatible = "tq,tqma53", "fsl,imx53";
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x40000000>; /* Up to 1GiB */
 	};
 
diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi
index 54cf3e67069a9..4ab135906949f 100644
--- a/arch/arm/boot/dts/imx53-tx53.dtsi
+++ b/arch/arm/boot/dts/imx53-tx53.dtsi
@@ -51,6 +51,7 @@
 
 	/* Will be filled by the bootloader */
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0>;
 	};
 
diff --git a/arch/arm/boot/dts/imx53-usbarmory.dts b/arch/arm/boot/dts/imx53-usbarmory.dts
index f6268d0ded296..ee6263d1c2d3d 100644
--- a/arch/arm/boot/dts/imx53-usbarmory.dts
+++ b/arch/arm/boot/dts/imx53-usbarmory.dts
@@ -58,6 +58,7 @@
 	};
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index b6b0818343c4e..8accbe16b7584 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -23,10 +23,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 010/219] ARM: dts: imx31: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 009/219] ARM: dts: imx53: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 011/219] ARM: dts: imx35: " Sasha Levin
                   ` (207 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Vladimir Zapolskiy, Shawn Guo,
	Sasha Levin, devicetree, linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 013d37e4707e24c7b9bc3fc55aeda55ce9c2b262 ]

Boards based on imx31 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx31.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Tested-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx31-bug.dts  | 1 +
 arch/arm/boot/dts/imx31-lite.dts | 1 +
 arch/arm/boot/dts/imx31.dtsi     | 2 --
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx31-bug.dts b/arch/arm/boot/dts/imx31-bug.dts
index 6ee4ff8e4e8f0..9eb960cc02cc5 100644
--- a/arch/arm/boot/dts/imx31-bug.dts
+++ b/arch/arm/boot/dts/imx31-bug.dts
@@ -17,6 +17,7 @@
 	compatible = "buglabs,imx31-bug", "fsl,imx31";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x8000000>; /* 128M */
 	};
 };
diff --git a/arch/arm/boot/dts/imx31-lite.dts b/arch/arm/boot/dts/imx31-lite.dts
index db52ddccabc33..d17abdfb6330c 100644
--- a/arch/arm/boot/dts/imx31-lite.dts
+++ b/arch/arm/boot/dts/imx31-lite.dts
@@ -18,6 +18,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x8000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx31.dtsi b/arch/arm/boot/dts/imx31.dtsi
index ca1419ca303c3..2fc64d2c7c88e 100644
--- a/arch/arm/boot/dts/imx31.dtsi
+++ b/arch/arm/boot/dts/imx31.dtsi
@@ -10,10 +10,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		gpio0 = &gpio1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 011/219] ARM: dts: imx35: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 009/219] ARM: dts: imx53: " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 010/219] ARM: dts: imx31: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 012/219] ARM: dts: imx7: " Sasha Levin
                   ` (206 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 8721610a6c2b8c42fc57819d8c3bfbb9166f95a3 ]

Boards based on imx35 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx35.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi | 1 +
 arch/arm/boot/dts/imx35-pdk.dts              | 1 +
 arch/arm/boot/dts/imx35.dtsi                 | 2 --
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi b/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi
index ba39d938f2891..5f8a47a9fcd40 100644
--- a/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi
+++ b/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi
@@ -18,6 +18,7 @@
 	compatible = "eukrea,cpuimx35", "fsl,imx35";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x8000000>; /* 128M */
 	};
 };
diff --git a/arch/arm/boot/dts/imx35-pdk.dts b/arch/arm/boot/dts/imx35-pdk.dts
index df613e88fd2c1..ddce0a844758b 100644
--- a/arch/arm/boot/dts/imx35-pdk.dts
+++ b/arch/arm/boot/dts/imx35-pdk.dts
@@ -11,6 +11,7 @@
 	compatible = "fsl,imx35-pdk", "fsl,imx35";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x8000000>,
 		      <0x90000000 0x8000000>;
 	};
diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi
index 1c50b785cad47..b36b97b655dda 100644
--- a/arch/arm/boot/dts/imx35.dtsi
+++ b/arch/arm/boot/dts/imx35.dtsi
@@ -13,10 +13,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 012/219] ARM: dts: imx7: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (2 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 011/219] ARM: dts: imx35: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 013/219] ARM: dts: imx6ul: " Sasha Levin
                   ` (205 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 29988e867cb17de7119e971f9acfad2c3fccdb47 ]

Boards based on imx7 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx7s.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx7d-cl-som-imx7.dts   | 3 ++-
 arch/arm/boot/dts/imx7d-colibri-emmc.dtsi | 1 +
 arch/arm/boot/dts/imx7d-colibri.dtsi      | 1 +
 arch/arm/boot/dts/imx7d-nitrogen7.dts     | 1 +
 arch/arm/boot/dts/imx7d-pico.dtsi         | 1 +
 arch/arm/boot/dts/imx7d-sdb.dts           | 1 +
 arch/arm/boot/dts/imx7s-colibri.dtsi      | 1 +
 arch/arm/boot/dts/imx7s-warp.dts          | 1 +
 arch/arm/boot/dts/imx7s.dtsi              | 2 --
 9 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
index 584418f517a88..62d5e9a4a7818 100644
--- a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
+++ b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
@@ -19,6 +19,7 @@
 	compatible = "compulab,cl-som-imx7", "fsl,imx7d";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x10000000>; /* 256 MB - minimal configuration */
 	};
 
@@ -284,4 +285,4 @@
 			MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x14 /* OTG PWREN */
 		>;
 	};
-};
\ No newline at end of file
+};
diff --git a/arch/arm/boot/dts/imx7d-colibri-emmc.dtsi b/arch/arm/boot/dts/imx7d-colibri-emmc.dtsi
index 04d24ee17b142..898f4b8d7421f 100644
--- a/arch/arm/boot/dts/imx7d-colibri-emmc.dtsi
+++ b/arch/arm/boot/dts/imx7d-colibri-emmc.dtsi
@@ -8,6 +8,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx7d-colibri.dtsi b/arch/arm/boot/dts/imx7d-colibri.dtsi
index d9f8fb69511b6..e2e327f437e35 100644
--- a/arch/arm/boot/dts/imx7d-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7d-colibri.dtsi
@@ -45,6 +45,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts
index 177d21fdeb288..6b4acea1ef795 100644
--- a/arch/arm/boot/dts/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts
@@ -12,6 +12,7 @@
 	compatible = "boundary,imx7d-nitrogen7", "fsl,imx7d";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
index f27b3849d3ff3..934a019f341e4 100644
--- a/arch/arm/boot/dts/imx7d-pico.dtsi
+++ b/arch/arm/boot/dts/imx7d-pico.dtsi
@@ -49,6 +49,7 @@
 	compatible = "technexion,imx7d-pico", "fsl,imx7d";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index c9b3c60b0eb22..317f1bcc56e2a 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -15,6 +15,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx7s-colibri.dtsi b/arch/arm/boot/dts/imx7s-colibri.dtsi
index fe8344cee8641..1fb1ec5d3d707 100644
--- a/arch/arm/boot/dts/imx7s-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7s-colibri.dtsi
@@ -45,6 +45,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x10000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index fa390da636de7..97d5c711eb0ca 100644
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -51,6 +51,7 @@
 	compatible = "warp,imx7s-warp", "fsl,imx7s";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 90f5bdfa9b3ce..7eaf96b425bed 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -17,10 +17,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		gpio0 = &gpio1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 013/219] ARM: dts: imx6ul: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (3 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 012/219] ARM: dts: imx7: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 014/219] ARM: dts: imx6sx: " Sasha Levin
                   ` (204 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 750d8df6e7b269b828f66631a1d39ea027afc92a ]

Boards based on imx6ul have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx6ul.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6ul-14x14-evk.dtsi        | 1 +
 arch/arm/boot/dts/imx6ul-geam.dts              | 1 +
 arch/arm/boot/dts/imx6ul-isiot.dtsi            | 1 +
 arch/arm/boot/dts/imx6ul-litesom.dtsi          | 1 +
 arch/arm/boot/dts/imx6ul-opos6ul.dtsi          | 1 +
 arch/arm/boot/dts/imx6ul-pico-hobbit.dts       | 1 +
 arch/arm/boot/dts/imx6ul-tx6ul.dtsi            | 1 +
 arch/arm/boot/dts/imx6ul.dtsi                  | 2 --
 arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi | 1 +
 arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi    | 1 +
 10 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
index 32a07232c0345..8180211265592 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
@@ -12,6 +12,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul-geam.dts b/arch/arm/boot/dts/imx6ul-geam.dts
index d81d20f8fc8dd..85cfad080f15c 100644
--- a/arch/arm/boot/dts/imx6ul-geam.dts
+++ b/arch/arm/boot/dts/imx6ul-geam.dts
@@ -51,6 +51,7 @@
 	compatible = "engicam,imx6ul-geam", "fsl,imx6ul";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x08000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi
index cd99285511544..1cb52744f58ad 100644
--- a/arch/arm/boot/dts/imx6ul-isiot.dtsi
+++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi
@@ -46,6 +46,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul-litesom.dtsi b/arch/arm/boot/dts/imx6ul-litesom.dtsi
index 8f775f6974d1c..8d6893210842b 100644
--- a/arch/arm/boot/dts/imx6ul-litesom.dtsi
+++ b/arch/arm/boot/dts/imx6ul-litesom.dtsi
@@ -48,6 +48,7 @@
 	compatible = "grinn,imx6ul-litesom", "fsl,imx6ul";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6ul-opos6ul.dtsi b/arch/arm/boot/dts/imx6ul-opos6ul.dtsi
index a031bee311df4..cf7faf4b9c47e 100644
--- a/arch/arm/boot/dts/imx6ul-opos6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul-opos6ul.dtsi
@@ -49,6 +49,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0>; /* will be filled by U-Boot */
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
index 0c09420f99512..797262d2f27fd 100644
--- a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
@@ -53,6 +53,7 @@
 
 	/* Will be filled by the bootloader */
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
index 02b5ba42cd591..bb6dbfd5546b4 100644
--- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
@@ -71,6 +71,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0>; /* will be filled by U-Boot */
 	};
 
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 336cdead3da54..50834a43e5fb2 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -15,10 +15,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec1;
diff --git a/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
index 10ab4697950f5..fb213bec46543 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
@@ -7,6 +7,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x10000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
index 183193e8580dd..038d8c90f6dfe 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
@@ -7,6 +7,7 @@
 
 / {
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 014/219] ARM: dts: imx6sx: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (4 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 013/219] ARM: dts: imx6ul: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 015/219] ARM: dts: imx6sl: " Sasha Levin
                   ` (203 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 216f35fedd8688c8b654ebfbad18c6e64713fad7 ]

Boards based on imx6sx have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx6sx.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6sx-nitrogen6sx.dts         | 1 +
 arch/arm/boot/dts/imx6sx-sabreauto.dts           | 1 +
 arch/arm/boot/dts/imx6sx-sdb.dtsi                | 1 +
 arch/arm/boot/dts/imx6sx-softing-vining-2000.dts | 1 +
 arch/arm/boot/dts/imx6sx-udoo-neo-basic.dts      | 1 +
 arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts   | 1 +
 arch/arm/boot/dts/imx6sx-udoo-neo-full.dts       | 1 +
 arch/arm/boot/dts/imx6sx.dtsi                    | 2 --
 8 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts b/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts
index adb5cc7d8ce2f..832b5c5d7441a 100644
--- a/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts
+++ b/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts
@@ -12,6 +12,7 @@
 	compatible = "boundary,imx6sx-nitrogen6sx", "fsl,imx6sx";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 841a27f3198ff..48aede543612b 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -11,6 +11,7 @@
 	compatible = "fsl,imx6sx-sabreauto", "fsl,imx6sx";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index f8f31872fa144..7f5ede5ca4c30 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -21,6 +21,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sx-softing-vining-2000.dts b/arch/arm/boot/dts/imx6sx-softing-vining-2000.dts
index 252175b592475..2bc51623a8060 100644
--- a/arch/arm/boot/dts/imx6sx-softing-vining-2000.dts
+++ b/arch/arm/boot/dts/imx6sx-softing-vining-2000.dts
@@ -21,6 +21,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo-basic.dts b/arch/arm/boot/dts/imx6sx-udoo-neo-basic.dts
index 40ccdf43dffc5..db0feb9b9f5d7 100644
--- a/arch/arm/boot/dts/imx6sx-udoo-neo-basic.dts
+++ b/arch/arm/boot/dts/imx6sx-udoo-neo-basic.dts
@@ -49,6 +49,7 @@
 	compatible = "udoo,neobasic", "fsl,imx6sx";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts b/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts
index 42bfc8f8f7f6b..5c7a2bb9141cb 100644
--- a/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts
+++ b/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts
@@ -49,6 +49,7 @@
 	compatible = "udoo,neoextended", "fsl,imx6sx";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts b/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts
index c84c877f09d49..13dfe2afaba56 100644
--- a/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts
+++ b/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts
@@ -49,6 +49,7 @@
 	compatible = "udoo,neofull", "fsl,imx6sx";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 7b62e6fb47ebe..ae0728df542e9 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -15,10 +15,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		can0 = &flexcan1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 015/219] ARM: dts: imx6sl: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (5 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 014/219] ARM: dts: imx6sx: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 016/219] ARM: dts: imx50: " Sasha Levin
                   ` (202 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 7fa8ab65ee15e386558ac5e971004712da91e2dd ]

Boards based on imx6sl have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx6sl.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6sl-evk.dts  | 1 +
 arch/arm/boot/dts/imx6sl-warp.dts | 1 +
 arch/arm/boot/dts/imx6sl.dtsi     | 2 --
 arch/arm/boot/dts/imx6sll-evk.dts | 1 +
 4 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 679b4482ab13a..f7a48e4622e1b 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -17,6 +17,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sl-warp.dts b/arch/arm/boot/dts/imx6sl-warp.dts
index 404e602e67813..408da704c459b 100644
--- a/arch/arm/boot/dts/imx6sl-warp.dts
+++ b/arch/arm/boot/dts/imx6sl-warp.dts
@@ -55,6 +55,7 @@
 	compatible = "warp,imx6sl-warp", "fsl,imx6sl";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x20000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 2fa88c6f18820..55d1872aa81a8 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -13,10 +13,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts
index c8e115564ba2c..0c2406ac8a638 100644
--- a/arch/arm/boot/dts/imx6sll-evk.dts
+++ b/arch/arm/boot/dts/imx6sll-evk.dts
@@ -20,6 +20,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 016/219] ARM: dts: imx50: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (6 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 015/219] ARM: dts: imx6sl: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 017/219] ARM: dts: imx23: " Sasha Levin
                   ` (201 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit aab5e3ea95b958cf22a24e756a84e635bdb081c1 ]

imx50-evk has duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx50.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx50-evk.dts | 1 +
 arch/arm/boot/dts/imx50.dtsi    | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx50-evk.dts b/arch/arm/boot/dts/imx50-evk.dts
index 682a99783ee69..a25da415cb02e 100644
--- a/arch/arm/boot/dts/imx50-evk.dts
+++ b/arch/arm/boot/dts/imx50-evk.dts
@@ -12,6 +12,7 @@
 	compatible = "fsl,imx50-evk", "fsl,imx50";
 
 	memory@70000000 {
+		device_type = "memory";
 		reg = <0x70000000 0x80000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
index ab522c2da6df6..9e9e92acceb27 100644
--- a/arch/arm/boot/dts/imx50.dtsi
+++ b/arch/arm/boot/dts/imx50.dtsi
@@ -22,10 +22,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 017/219] ARM: dts: imx23: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (7 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 016/219] ARM: dts: imx50: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 018/219] ARM: dts: imx1: " Sasha Levin
                   ` (200 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel, linux-stm32

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit b629e83520fafe6f4c2f3e8c88c78a496fc4987c ]

Boards based on imx23 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx23.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx23-evk.dts           | 1 +
 arch/arm/boot/dts/imx23-olinuxino.dts     | 1 +
 arch/arm/boot/dts/imx23-sansa.dts         | 1 +
 arch/arm/boot/dts/imx23-stmp378x_devb.dts | 1 +
 arch/arm/boot/dts/imx23-xfi3.dts          | 1 +
 arch/arm/boot/dts/imx23.dtsi              | 2 --
 6 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index ad2ae25b7b4db..aca27aa2d44bd 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -10,6 +10,7 @@
 	compatible = "fsl,imx23-evk", "fsl,imx23";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x08000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index e9351774c6199..109f51603d45e 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -20,6 +20,7 @@
 	compatible = "olimex,imx23-olinuxino", "fsl,imx23";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x04000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx23-sansa.dts b/arch/arm/boot/dts/imx23-sansa.dts
index 67de7863ad795..fa22fd9b24129 100644
--- a/arch/arm/boot/dts/imx23-sansa.dts
+++ b/arch/arm/boot/dts/imx23-sansa.dts
@@ -50,6 +50,7 @@
 	compatible = "sandisk,sansa_fuze_plus", "fsl,imx23";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x04000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx23-stmp378x_devb.dts b/arch/arm/boot/dts/imx23-stmp378x_devb.dts
index 95c7b918f6d60..aab029349420d 100644
--- a/arch/arm/boot/dts/imx23-stmp378x_devb.dts
+++ b/arch/arm/boot/dts/imx23-stmp378x_devb.dts
@@ -17,6 +17,7 @@
 	compatible = "fsl,stmp378x-devb", "fsl,imx23";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x04000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx23-xfi3.dts b/arch/arm/boot/dts/imx23-xfi3.dts
index 9616e500b9961..2b5df8dfd3ff3 100644
--- a/arch/arm/boot/dts/imx23-xfi3.dts
+++ b/arch/arm/boot/dts/imx23-xfi3.dts
@@ -49,6 +49,7 @@
 	compatible = "creative,x-fi3", "fsl,imx23";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x04000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 71bfd2b15609a..aaaa987d8eff9 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -13,10 +13,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		gpio0 = &gpio0;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 018/219] ARM: dts: imx1: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (8 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 017/219] ARM: dts: imx23: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 019/219] ARM: dts: imx27: " Sasha Levin
                   ` (199 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 62864d5665c4fc636d3021f829b3ac00fa058e30 ]

Boards based on imx1 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx1.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx1-ads.dts     | 1 +
 arch/arm/boot/dts/imx1-apf9328.dts | 1 +
 arch/arm/boot/dts/imx1.dtsi        | 2 --
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx1-ads.dts b/arch/arm/boot/dts/imx1-ads.dts
index a1d81badb5c8a..119b19ba53b6d 100644
--- a/arch/arm/boot/dts/imx1-ads.dts
+++ b/arch/arm/boot/dts/imx1-ads.dts
@@ -21,6 +21,7 @@
 	};
 
 	memory@8000000 {
+		device_type = "memory";
 		reg = <0x08000000 0x04000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx1-apf9328.dts b/arch/arm/boot/dts/imx1-apf9328.dts
index 11515c0cb195c..ee4b1b106b1ae 100644
--- a/arch/arm/boot/dts/imx1-apf9328.dts
+++ b/arch/arm/boot/dts/imx1-apf9328.dts
@@ -21,6 +21,7 @@
 	};
 
 	memory@8000000 {
+		device_type = "memory";
 		reg = <0x08000000 0x00800000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx1.dtsi b/arch/arm/boot/dts/imx1.dtsi
index 3edc7b5550d88..2b6e77029de4d 100644
--- a/arch/arm/boot/dts/imx1.dtsi
+++ b/arch/arm/boot/dts/imx1.dtsi
@@ -15,10 +15,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		gpio0 = &gpio1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 019/219] ARM: dts: imx27: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (9 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 018/219] ARM: dts: imx1: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 020/219] ARM: dts: imx25: " Sasha Levin
                   ` (198 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 38715dcd49b4430ac5b6bc1293278d91a4d32bd5 ]

Boards based on imx27 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx27.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx27-apf27.dts                 | 1 +
 arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi      | 1 +
 arch/arm/boot/dts/imx27-pdk.dts                   | 1 +
 arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi | 1 +
 arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi   | 1 +
 arch/arm/boot/dts/imx27.dtsi                      | 2 --
 6 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx27-apf27.dts b/arch/arm/boot/dts/imx27-apf27.dts
index 3eddd805a793a..f635d5c5029c4 100644
--- a/arch/arm/boot/dts/imx27-apf27.dts
+++ b/arch/arm/boot/dts/imx27-apf27.dts
@@ -20,6 +20,7 @@
 	compatible = "armadeus,imx27-apf27", "fsl,imx27";
 
 	memory@a0000000 {
+		device_type = "memory";
 		reg = <0xa0000000 0x04000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi b/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
index 9c455dcbe6ebf..c85f9d01768a1 100644
--- a/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
+++ b/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
@@ -17,6 +17,7 @@
 	compatible = "eukrea,cpuimx27", "fsl,imx27";
 
 	memory@a0000000 {
+		device_type = "memory";
 		reg = <0xa0000000 0x04000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx27-pdk.dts b/arch/arm/boot/dts/imx27-pdk.dts
index f9a882d991329..35123b7cb6b3e 100644
--- a/arch/arm/boot/dts/imx27-pdk.dts
+++ b/arch/arm/boot/dts/imx27-pdk.dts
@@ -10,6 +10,7 @@
 	compatible = "fsl,imx27-pdk", "fsl,imx27";
 
 	memory@a0000000 {
+		device_type = "memory";
 		reg = <0xa0000000 0x08000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi b/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
index cbad7c88c58cc..b0b4f7c00246d 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
@@ -18,6 +18,7 @@
 	compatible = "phytec,imx27-pca100", "fsl,imx27";
 
 	memory@a0000000 {
+		device_type = "memory";
 		reg = <0xa0000000 0x08000000>; /* 128MB */
 	};
 };
diff --git a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
index ec466b4bfd410..0935e1400e5d2 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
+++ b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
@@ -17,6 +17,7 @@
 	compatible = "phytec,imx27-pcm038", "fsl,imx27";
 
 	memory@a0000000 {
+		device_type = "memory";
 		reg = <0xa0000000 0x08000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 753d88df16274..39e75b997bdc8 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -16,10 +16,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 020/219] ARM: dts: imx25: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (10 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 019/219] ARM: dts: imx27: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 021/219] ARM: dts: imx53-voipac-dmm-668: " Sasha Levin
                   ` (197 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Rob Herring, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 59d8bb363f563e4a147a291037bf979cb8ff9a59 ]

Boards based on imx25 have duplicate memory nodes:

- One coming from the board dts file: memory@

- One coming from the imx25.dtsi file.

Fix the duplication by removing the memory node from the dtsi file
and by adding 'device_type = "memory";' in the board dts.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi | 1 +
 arch/arm/boot/dts/imx25-karo-tx25.dts        | 1 +
 arch/arm/boot/dts/imx25-pdk.dts              | 1 +
 arch/arm/boot/dts/imx25.dtsi                 | 2 --
 4 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi b/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
index e316fe08837a3..e4d7da267532d 100644
--- a/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
+++ b/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
@@ -18,6 +18,7 @@
 	compatible = "eukrea,cpuimx25", "fsl,imx25";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x4000000>; /* 64M */
 	};
 };
diff --git a/arch/arm/boot/dts/imx25-karo-tx25.dts b/arch/arm/boot/dts/imx25-karo-tx25.dts
index 5cb6967866c0a..f37e9a75a3ca7 100644
--- a/arch/arm/boot/dts/imx25-karo-tx25.dts
+++ b/arch/arm/boot/dts/imx25-karo-tx25.dts
@@ -37,6 +37,7 @@
 	};
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x02000000 0x90000000 0x02000000>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts
index a5626b46ac4e1..f8544a9e46330 100644
--- a/arch/arm/boot/dts/imx25-pdk.dts
+++ b/arch/arm/boot/dts/imx25-pdk.dts
@@ -12,6 +12,7 @@
 	compatible = "fsl,imx25-pdk", "fsl,imx25";
 
 	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x4000000>;
 	};
 
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 85c15ee632727..8c8ad80de4614 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -12,10 +12,8 @@
 	 * The decompressor and also some bootloaders rely on a
 	 * pre-existing /chosen node to be available to insert the
 	 * command line and merge other ATAGS info.
-	 * Also for U-Boot there must be a pre-existing /memory node.
 	 */
 	chosen {};
-	memory { device_type = "memory"; };
 
 	aliases {
 		ethernet0 = &fec;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 021/219] ARM: dts: imx53-voipac-dmm-668: Fix memory node duplication
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (11 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 020/219] ARM: dts: imx25: " Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 022/219] parisc: Fix serio address output Sasha Levin
                   ` (196 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fabio Estevam, Marco Franchi, Shawn Guo, Sasha Levin, devicetree,
	linux-arm-kernel

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 998a84c27a7f3f9133d32af64e19c05cec161a1a ]

imx53-voipac-dmm-668 has two memory nodes, but the correct representation
would be to use a single one with two reg entries - one for each RAM chip
select, so fix it accordingly.

Reported-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi b/arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi
index f83a8c62ea531..d595034f3f1bf 100644
--- a/arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi
+++ b/arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi
@@ -17,12 +17,8 @@
 
 	memory@70000000 {
 		device_type = "memory";
-		reg = <0x70000000 0x20000000>;
-	};
-
-	memory@b0000000 {
-		device_type = "memory";
-		reg = <0xb0000000 0x20000000>;
+		reg = <0x70000000 0x20000000>,
+		      <0xb0000000 0x20000000>;
 	};
 
 	regulators {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 022/219] parisc: Fix serio address output
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (12 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 021/219] ARM: dts: imx53-voipac-dmm-668: " Sasha Levin
@ 2019-11-22  5:45 ` Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 023/219] parisc: Fix HP SDC hpa " Sasha Levin
                   ` (195 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Helge Deller, Sasha Levin, linux-parisc, linux-input

From: Helge Deller <deller@gmx.de>

[ Upstream commit 785145171d17af2554128becd6a7c8f89e101141 ]

We want the hpa addresses printed in the serio modules, not some
virtual ioremap()ed address, e.g.:

 serio: gsc-ps2-keyboard port at 0xf0108000 irq 22 @ 2:0:11
 serio: gsc-ps2-mouse port at 0xf0108100 irq 22 @ 2:0:12

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/serio/gscps2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 49d8d53e50b7b..96f9b5397367f 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -381,9 +381,9 @@ static int __init gscps2_probe(struct parisc_device *dev)
 		goto fail;
 #endif
 
-	printk(KERN_INFO "serio: %s port at 0x%p irq %d @ %s\n",
+	pr_info("serio: %s port at 0x%08lx irq %d @ %s\n",
 		ps2port->port->name,
-		ps2port->addr,
+		hpa,
 		ps2port->padev->irq,
 		ps2port->port->phys);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 023/219] parisc: Fix HP SDC hpa address output
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (13 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 022/219] parisc: Fix serio address output Sasha Levin
@ 2019-11-22  5:45 ` " Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 024/219] ARM: dts: Fix hsi gdd range for omap4 Sasha Levin
                   ` (194 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Helge Deller, Sasha Levin, linux-parisc, linux-input

From: Helge Deller <deller@gmx.de>

[ Upstream commit c4bff35ca1bfba886da6223c9fed76a2b1382b8e ]

Show the hpa address of the HP SDC instead of a hashed value, e.g.:
HP SDC: HP SDC at 0xf0201000, IRQ 23 (NMI IRQ 24)

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/serio/hp_sdc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 0b8a25c58d02e..654252361653d 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -884,8 +884,8 @@ static int __init hp_sdc_init(void)
 			"HP SDC NMI", &hp_sdc))
 		goto err2;
 
-	printk(KERN_INFO PREFIX "HP SDC at 0x%p, IRQ %d (NMI IRQ %d)\n",
-	       (void *)hp_sdc.base_io, hp_sdc.irq, hp_sdc.nmi);
+	pr_info(PREFIX "HP SDC at 0x%08lx, IRQ %d (NMI IRQ %d)\n",
+	       hp_sdc.base_io, hp_sdc.irq, hp_sdc.nmi);
 
 	hp_sdc_status_in8();
 	hp_sdc_data_in8();
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 024/219] ARM: dts: Fix hsi gdd range for omap4
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (14 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 023/219] parisc: Fix HP SDC hpa " Sasha Levin
@ 2019-11-22  5:45 ` Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 025/219] arm64: mm: Prevent mismatched 52-bit VA support Sasha Levin
                   ` (193 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Tony Lindgren, Sebastian Reichel, Sasha Levin, linux-omap, devicetree

From: Tony Lindgren <tony@atomide.com>

[ Upstream commit e9e685480b74aef3f3d0967dadb52eea3ff625d2 ]

While reviewing the missing mcasp ranges I noticed omap4 hsi range
for gdd is wrong so let's fix it.

I'm not aware of any omap4 devices in mainline kernel though that use
hsi though.

Fixes: 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe
them with ti-sysc")
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/omap4-l4.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/omap4-l4.dtsi b/arch/arm/boot/dts/omap4-l4.dtsi
index 6eb26b837446c..5059ecac44787 100644
--- a/arch/arm/boot/dts/omap4-l4.dtsi
+++ b/arch/arm/boot/dts/omap4-l4.dtsi
@@ -196,12 +196,12 @@
 			clock-names = "fck";
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0x0 0x58000 0x4000>;
+			ranges = <0x0 0x58000 0x5000>;
 
 			hsi: hsi@0 {
 				compatible = "ti,omap4-hsi";
 				reg = <0x0 0x4000>,
-				      <0x4a05c000 0x1000>;
+				      <0x5000 0x1000>;
 				reg-names = "sys", "gdd";
 
 				clocks = <&l3_init_clkctrl OMAP4_HSI_CLKCTRL 0>;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 025/219] arm64: mm: Prevent mismatched 52-bit VA support
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (15 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 024/219] ARM: dts: Fix hsi gdd range for omap4 Sasha Levin
@ 2019-11-22  5:45 ` Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 026/219] arm64: smp: Handle errors reported by the firmware Sasha Levin
                   ` (192 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Steve Capper, Will Deacon, Sasha Levin, linux-arm-kernel

From: Steve Capper <steve.capper@arm.com>

[ Upstream commit a96a33b1ca57dbea4285893dedf290aeb8eb090b ]

For cases where there is a mismatch in ARMv8.2-LVA support between CPUs
we have to be careful in allowing secondary CPUs to boot if 52-bit
virtual addresses have already been enabled on the boot CPU.

This patch adds code to the secondary startup path. If the boot CPU has
enabled 52-bit VAs then ID_AA64MMFR2_EL1 is checked to see if the
secondary can also enable 52-bit support. If not, the secondary is
prevented from booting and an error message is displayed indicating why.

Technically this patch could be implemented using the cpufeature code
when considering 52-bit userspace support. However, we employ low level
checks here as the cpufeature code won't be able to run if we have
mismatched 52-bit kernel va support.

Signed-off-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kernel/head.S | 26 ++++++++++++++++++++++++++
 arch/arm64/kernel/smp.c  |  5 +++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 77ca59598c8b1..06058fba5f86c 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -703,6 +703,7 @@ secondary_startup:
 	/*
 	 * Common entry point for secondary CPUs.
 	 */
+	bl	__cpu_secondary_check52bitva
 	bl	__cpu_setup			// initialise processor
 	bl	__enable_mmu
 	ldr	x8, =__secondary_switched
@@ -779,6 +780,31 @@ ENTRY(__enable_mmu)
 	ret
 ENDPROC(__enable_mmu)
 
+ENTRY(__cpu_secondary_check52bitva)
+#ifdef CONFIG_ARM64_52BIT_VA
+	ldr_l	x0, vabits_user
+	cmp	x0, #52
+	b.ne	2f
+
+	mrs_s	x0, SYS_ID_AA64MMFR2_EL1
+	and	x0, x0, #(0xf << ID_AA64MMFR2_LVA_SHIFT)
+	cbnz	x0, 2f
+
+	adr_l	x0, va52mismatch
+	mov	w1, #1
+	strb	w1, [x0]
+	dmb	sy
+	dc	ivac, x0	// Invalidate potentially stale cache line
+
+	update_early_cpu_boot_status CPU_STUCK_IN_KERNEL, x0, x1
+1:	wfe
+	wfi
+	b	1b
+
+#endif
+2:	ret
+ENDPROC(__cpu_secondary_check52bitva)
+
 __no_granule_support:
 	/* Indicate that this CPU can't boot and is stuck in the kernel */
 	update_early_cpu_boot_status CPU_STUCK_IN_KERNEL, x1, x2
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 25fcd22a4bb24..2c31d65bc541b 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -108,6 +108,7 @@ static int boot_secondary(unsigned int cpu, struct task_struct *idle)
 }
 
 static DECLARE_COMPLETION(cpu_running);
+bool va52mismatch __ro_after_init;
 
 int __cpu_up(unsigned int cpu, struct task_struct *idle)
 {
@@ -137,6 +138,10 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
 
 		if (!cpu_online(cpu)) {
 			pr_crit("CPU%u: failed to come online\n", cpu);
+
+			if (IS_ENABLED(CONFIG_ARM64_52BIT_VA) && va52mismatch)
+				pr_crit("CPU%u: does not support 52-bit VAs\n", cpu);
+
 			ret = -EIO;
 		}
 	} else {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 026/219] arm64: smp: Handle errors reported by the firmware
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (16 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 025/219] arm64: mm: Prevent mismatched 52-bit VA support Sasha Levin
@ 2019-11-22  5:45 ` Sasha Levin
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 027/219] bus: ti-sysc: Check for no-reset and no-idle flags at the child level Sasha Levin
                   ` (191 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Suzuki K Poulose, Steve Capper, Will Deacon, Suzuki K Poulose,
	Sasha Levin, linux-arm-kernel

From: Suzuki K Poulose <Suzuki.Poulose@arm.com>

[ Upstream commit f357b3a7e17af7736d67d8267edc1ed3d1dd9391 ]

The __cpu_up() routine ignores the errors reported by the firmware
for a CPU bringup operation and looks for the error status set by the
booting CPU. If the CPU never entered the kernel, we could end up
in assuming stale error status, which otherwise would have been
set/cleared appropriately by the booting CPU.

Reported-by: Steve Capper <steve.capper@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kernel/smp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 2c31d65bc541b..52aa51f6310b0 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -146,6 +146,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
 		}
 	} else {
 		pr_err("CPU%u: failed to boot: %d\n", cpu, ret);
+		return ret;
 	}
 
 	secondary_data.task = NULL;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 027/219] bus: ti-sysc: Check for no-reset and no-idle flags at the child level
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (17 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 026/219] arm64: smp: Handle errors reported by the firmware Sasha Levin
@ 2019-11-22  5:45 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 028/219] platform/x86: mlx-platform: Fix LED configuration Sasha Levin
                   ` (190 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:45 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Tony Lindgren, Peter Ujfalusi, Sasha Levin, linux-omap

From: Tony Lindgren <tony@atomide.com>

[ Upstream commit 4014c08ba39476a18af546186da625a6833a1529 ]

With ti-sysc, we need to now have the device tree properties for
ti,no-reset-on-init and ti,no-idle-on-init at the module level instead
of the child device level.

Let's check for these properties at the child device level to enable
quirks, and warn about moving the properties to the module level.

Otherwise am335x-evm based boards tagging gpio1 with ti,no-reset-on-init
will have their DDR power disabled if wired up in such a tricky way.

Note that this should not be an issue for earlier kernels as we don't
rely on this until the dts files have been updated to probe with ti-sysc
interconnect target driver.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bus/ti-sysc.c | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index e95b26319cd91..5b31131d0cba2 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -91,6 +91,9 @@ struct sysc {
 	struct delayed_work idle_work;
 };
 
+static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
+				  bool is_child);
+
 void sysc_write(struct sysc *ddata, int offset, u32 value)
 {
 	writel_relaxed(value, ddata->module_va + offset);
@@ -374,6 +377,7 @@ static int sysc_check_one_child(struct sysc *ddata,
 		dev_warn(ddata->dev, "really a child ti,hwmods property?");
 
 	sysc_check_quirk_stdout(ddata, np);
+	sysc_parse_dts_quirks(ddata, np, true);
 
 	return 0;
 }
@@ -1343,23 +1347,37 @@ static const struct sysc_dts_quirk sysc_dts_quirks[] = {
 	  .mask = SYSC_QUIRK_NO_RESET_ON_INIT, },
 };
 
-static int sysc_init_dts_quirks(struct sysc *ddata)
+static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
+				  bool is_child)
 {
-	struct device_node *np = ddata->dev->of_node;
 	const struct property *prop;
-	int i, len, error;
-	u32 val;
-
-	ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL);
+	int i, len;
 
 	for (i = 0; i < ARRAY_SIZE(sysc_dts_quirks); i++) {
-		prop = of_get_property(np, sysc_dts_quirks[i].name, &len);
+		const char *name = sysc_dts_quirks[i].name;
+
+		prop = of_get_property(np, name, &len);
 		if (!prop)
 			continue;
 
 		ddata->cfg.quirks |= sysc_dts_quirks[i].mask;
+		if (is_child) {
+			dev_warn(ddata->dev,
+				 "dts flag should be at module level for %s\n",
+				 name);
+		}
 	}
+}
+
+static int sysc_init_dts_quirks(struct sysc *ddata)
+{
+	struct device_node *np = ddata->dev->of_node;
+	int error;
+	u32 val;
+
+	ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL);
 
+	sysc_parse_dts_quirks(ddata, np, false);
 	error = of_property_read_u32(np, "ti,sysc-delay-us", &val);
 	if (!error) {
 		if (val > 255) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 028/219] platform/x86: mlx-platform: Fix LED configuration
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (18 preceding siblings ...)
  2019-11-22  5:45 ` [PATCH AUTOSEL 4.19 027/219] bus: ti-sysc: Check for no-reset and no-idle flags at the child level Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 029/219] ARM: OMAP1: fix USB configuration for device-only setups Sasha Levin
                   ` (189 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Vadim Pasternak, Darren Hart, Sasha Levin, platform-driver-x86

From: Vadim Pasternak <vadimp@mellanox.com>

[ Upstream commit 440f343df1996302d9a3904647ff11b689bf27bc ]

Exchange LED configuration between msn201x and next generation systems
types.

Bug was introduced when LED driver activation was added to mlx-platform.
LED configuration for the three new system MQMB7, MSN37, MSN34 was
assigned to MSN21 and vice versa. This bug affects MSN21 only and
likely requires backport to v4.19.

Fixes: 1189456b1cce ("platform/x86: mlx-platform: Add LED platform driver activation")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/mlx-platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index 742a0c2179256..ab1aedd72d340 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -1421,7 +1421,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi)
 	mlxplat_hotplug = &mlxplat_mlxcpld_msn201x_data;
 	mlxplat_hotplug->deferred_nr =
 		mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
-	mlxplat_led = &mlxplat_default_ng_led_data;
+	mlxplat_led = &mlxplat_msn21xx_led_data;
 	mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data;
 
 	return 1;
@@ -1439,7 +1439,7 @@ static int __init mlxplat_dmi_qmb7xx_matched(const struct dmi_system_id *dmi)
 	mlxplat_hotplug = &mlxplat_mlxcpld_default_ng_data;
 	mlxplat_hotplug->deferred_nr =
 		mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
-	mlxplat_led = &mlxplat_msn21xx_led_data;
+	mlxplat_led = &mlxplat_default_ng_led_data;
 	mlxplat_fan = &mlxplat_default_fan_data;
 
 	return 1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 029/219] ARM: OMAP1: fix USB configuration for device-only setups
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (19 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 028/219] platform/x86: mlx-platform: Fix LED configuration Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 030/219] RDMA/hns: Fix the bug while use multi-hop of pbl Sasha Levin
                   ` (188 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aaro Koskinen, Tony Lindgren, Sasha Levin, linux-omap, linux-arm-kernel

From: Aaro Koskinen <aaro.koskinen@iki.fi>

[ Upstream commit c7b7b5cbd0c859b1546a5a3455d457708bdadf4c ]

Currently we do USB configuration only if the host mode (CONFIG_USB)
is enabled. But it should be done also in the case of device-only setups,
so change the condition to CONFIG_USB_SUPPORT. This allows to use
omap_udc on Palm Tungsten E.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/mach-omap1/Makefile           | 2 +-
 arch/arm/mach-omap1/include/mach/usb.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index e8ccf51c6f292..ec0235899de20 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -25,7 +25,7 @@ obj-y					+= $(i2c-omap-m) $(i2c-omap-y)
 
 led-y := leds.o
 
-usb-fs-$(CONFIG_USB)			:= usb.o
+usb-fs-$(CONFIG_USB_SUPPORT)		:= usb.o
 obj-y					+= $(usb-fs-m) $(usb-fs-y)
 
 # Specific board support
diff --git a/arch/arm/mach-omap1/include/mach/usb.h b/arch/arm/mach-omap1/include/mach/usb.h
index 77867778d4ec7..5429d86c7190d 100644
--- a/arch/arm/mach-omap1/include/mach/usb.h
+++ b/arch/arm/mach-omap1/include/mach/usb.h
@@ -11,7 +11,7 @@
 
 #include <linux/platform_data/usb-omap1.h>
 
-#if IS_ENABLED(CONFIG_USB)
+#if IS_ENABLED(CONFIG_USB_SUPPORT)
 void omap1_usb_init(struct omap_usb_config *pdata);
 #else
 static inline void omap1_usb_init(struct omap_usb_config *pdata)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 030/219] RDMA/hns: Fix the bug while use multi-hop of pbl
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (20 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 029/219] ARM: OMAP1: fix USB configuration for device-only setups Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 031/219] arm64: preempt: Fix big-endian when checking preempt count in assembly Sasha Levin
                   ` (187 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Lijun Ou, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Lijun Ou <oulijun@huawei.com>

[ Upstream commit 4af07f01f7a787ba5158352b98c9e3cb74995a1c ]

It will prevent multiply overflow when defines the pbl for u64 type.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_mr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 41a538d23b802..c68596d4e8037 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -1017,14 +1017,14 @@ struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 			goto err_umem;
 		}
 	} else {
-		int pbl_size = 1;
+		u64 pbl_size = 1;
 
 		bt_size = (1 << (hr_dev->caps.pbl_ba_pg_sz + PAGE_SHIFT)) / 8;
 		for (i = 0; i < hr_dev->caps.pbl_hop_num; i++)
 			pbl_size *= bt_size;
 		if (n > pbl_size) {
 			dev_err(dev,
-			    " MR len %lld err. MR page num is limited to %d!\n",
+			    " MR len %lld err. MR page num is limited to %lld!\n",
 			    length, pbl_size);
 			ret = -EINVAL;
 			goto err_umem;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 031/219] arm64: preempt: Fix big-endian when checking preempt count in assembly
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (21 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 030/219] RDMA/hns: Fix the bug while use multi-hop of pbl Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-12-14  2:14   ` Steven Rostedt
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 032/219] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH Sasha Levin
                   ` (186 subsequent siblings)
  209 siblings, 1 reply; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Will Deacon, Ard Biesheuvel, kernelci.org bot, Kevin Hilman,
	Sasha Levin, linux-arm-kernel

From: Will Deacon <will.deacon@arm.com>

[ Upstream commit 7faa313f05cad184e8b17750f0cbe5216ac6debb ]

Commit 396244692232 ("arm64: preempt: Provide our own implementation of
asm/preempt.h") extended the preempt count field in struct thread_info
to 64 bits, so that it consists of a 32-bit count plus a 32-bit flag
indicating whether or not the current task needs rescheduling.

Whilst the asm-offsets definition of TSK_TI_PREEMPT was updated to point
to this new field, the assembly usage was left untouched meaning that a
32-bit load from TSK_TI_PREEMPT on a big-endian machine actually returns
the reschedule flag instead of the count.

Whilst we could fix this by pointing TSK_TI_PREEMPT at the count field,
we're actually better off reworking the two assembly users so that they
operate on the whole 64-bit value in favour of inspecting the thread
flags separately in order to determine whether a reschedule is needed.

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/include/asm/assembler.h | 8 +++-----
 arch/arm64/kernel/entry.S          | 6 ++----
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 5a97ac8531682..0c100506a29aa 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -683,11 +683,9 @@ USER(\label, ic	ivau, \tmp2)			// invalidate I line PoU
 	.macro		if_will_cond_yield_neon
 #ifdef CONFIG_PREEMPT
 	get_thread_info	x0
-	ldr		w1, [x0, #TSK_TI_PREEMPT]
-	ldr		x0, [x0, #TSK_TI_FLAGS]
-	cmp		w1, #PREEMPT_DISABLE_OFFSET
-	csel		x0, x0, xzr, eq
-	tbnz		x0, #TIF_NEED_RESCHED, .Lyield_\@	// needs rescheduling?
+	ldr		x0, [x0, #TSK_TI_PREEMPT]
+	sub		x0, x0, #PREEMPT_DISABLE_OFFSET
+	cbz		x0, .Lyield_\@
 	/* fall through to endif_yield_neon */
 	.subsection	1
 .Lyield_\@ :
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 5f800384cb9a8..bb68323530458 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -622,10 +622,8 @@ el1_irq:
 	irq_handler
 
 #ifdef CONFIG_PREEMPT
-	ldr	w24, [tsk, #TSK_TI_PREEMPT]	// get preempt count
-	cbnz	w24, 1f				// preempt count != 0
-	ldr	x0, [tsk, #TSK_TI_FLAGS]	// get flags
-	tbz	x0, #TIF_NEED_RESCHED, 1f	// needs rescheduling?
+	ldr	x24, [tsk, #TSK_TI_PREEMPT]	// get preempt count
+	cbnz	x24, 1f				// preempt count != 0
 	bl	el1_preempt
 1:
 #endif
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 032/219] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (22 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 031/219] arm64: preempt: Fix big-endian when checking preempt count in assembly Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 033/219] PM / AVS: SmartReflex: NULL check before some freeing functions is not needed Sasha Levin
                   ` (185 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gal Pressman, Adit Ranadive, Yuval Shaia, Jason Gunthorpe,
	Sasha Levin, linux-rdma

From: Gal Pressman <galpress@amazon.com>

[ Upstream commit a276a4d93bf1580d737f38d1810e5f4b166f3edd ]

Create address handle callback should not sleep, use GFP_ATOMIC instead of
GFP_KERNEL for memory allocation.

Fixes: 29c8d9eba550 ("IB: Add vmw_pvrdma driver")
Cc: Adit Ranadive <aditr@vmware.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
index b65d10b0a8759..f4cb5cf26006f 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
@@ -555,7 +555,7 @@ struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
 	if (!atomic_add_unless(&dev->num_ahs, 1, dev->dsr->caps.max_ah))
 		return ERR_PTR(-ENOMEM);
 
-	ah = kzalloc(sizeof(*ah), GFP_KERNEL);
+	ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
 	if (!ah) {
 		atomic_dec(&dev->num_ahs);
 		return ERR_PTR(-ENOMEM);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 033/219] PM / AVS: SmartReflex: NULL check before some freeing functions is not needed
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (23 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 032/219] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 034/219] xfs: zero length symlinks are not valid Sasha Levin
                   ` (184 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Thomas Meyer, Kevin Hilman, Rafael J . Wysocki, Sasha Levin, linux-pm

From: Thomas Meyer <thomas@m3y3r.de>

[ Upstream commit 14d338a857f05f894ba3badd9e6d3039c68b8180 ]

NULL check before some freeing functions is not needed.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/power/avs/smartreflex.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c
index 1360a7fa542c5..8760477d0e8af 100644
--- a/drivers/power/avs/smartreflex.c
+++ b/drivers/power/avs/smartreflex.c
@@ -1010,8 +1010,7 @@ static int omap_sr_remove(struct platform_device *pdev)
 
 	if (sr_info->autocomp_active)
 		sr_stop_vddautocomp(sr_info);
-	if (sr_info->dbg_dir)
-		debugfs_remove_recursive(sr_info->dbg_dir);
+	debugfs_remove_recursive(sr_info->dbg_dir);
 
 	pm_runtime_disable(&pdev->dev);
 	list_del(&sr_info->node);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 034/219] xfs: zero length symlinks are not valid
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (24 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 033/219] PM / AVS: SmartReflex: NULL check before some freeing functions is not needed Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 035/219] ARM: ks8695: fix section mismatch warning Sasha Levin
                   ` (183 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dave Chinner, Darrick J . Wong, Sasha Levin, linux-xfs

From: Dave Chinner <dchinner@redhat.com>

[ Upstream commit 43feeea88c9cb2955b9f7ba8152ec5abeea42810 ]

A log recovery failure has been reproduced where a symlink inode has
a zero length in extent form. It was caused by a shutdown during a
combined fstress+fsmark workload.

The underlying problem is the issue in xfs_inactive_symlink(): the
inode is unlocked between the symlink inactivation/truncation and
the inode being freed. This opens a window for the inode to be
written to disk before it xfs_ifree() removes it from the unlinked
list, marks it free in the inobt and zeros the mode.

For shortform inodes, the fix is simple. xfs_ifree() clears the data
fork state, so there's no need to do it in xfs_inactive_symlink().
This means the shortform fork verifier will not see a zero length
data fork as it mirrors the inode size through to xfs_ifree()), and
hence if the inode gets written back and the fork verifiers are run
they will still see a fork that matches the on-disk inode size.

For extent form (remote) symlinks, it is a little more tricky. Here
we explicitly set the inode size to zero, so the above race can lead
to zero length symlinks on disk. Because the inode is unlinked at
this point (i.e. on the unlinked list) and unreferenced, it can
never be seen again by a user. Hence when we set the inode size to
zeor, also change the type to S_IFREG. xfs_ifree() expects S_IFREG
inodes to be of zero length, and so this avoids all the problems of
zero length symlinks ever hitting the disk. It also avoids the
problem of needing to handle zero length symlink inodes in log
recovery to replay the extent free intents and the remaining
deferops to free the extents the symlink used.

Also add a couple of asserts to warn us if zero length symlinks end
up in either the symlink create or inactivation paths.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/xfs/libxfs/xfs_symlink_remote.c | 14 +++++++++----
 fs/xfs/xfs_symlink.c               | 33 +++++++++++++++---------------
 2 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
index 95374ab2dee73..77d80106f989a 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -199,7 +199,10 @@ xfs_symlink_local_to_remote(
 					ifp->if_bytes - 1);
 }
 
-/* Verify the consistency of an inline symlink. */
+/*
+ * Verify the in-memory consistency of an inline symlink data fork. This
+ * does not do on-disk format checks.
+ */
 xfs_failaddr_t
 xfs_symlink_shortform_verify(
 	struct xfs_inode	*ip)
@@ -215,9 +218,12 @@ xfs_symlink_shortform_verify(
 	size = ifp->if_bytes;
 	endp = sfp + size;
 
-	/* Zero length symlinks can exist while we're deleting a remote one. */
-	if (size == 0)
-		return NULL;
+	/*
+	 * Zero length symlinks should never occur in memory as they are
+	 * never alllowed to exist on disk.
+	 */
+	if (!size)
+		return __this_address;
 
 	/* No negative sizes or overly long symlink targets. */
 	if (size < 0 || size > XFS_SYMLINK_MAXLEN)
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index a3e98c64b6e38..b2c1177c717ff 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -192,6 +192,7 @@ xfs_symlink(
 	pathlen = strlen(target_path);
 	if (pathlen >= XFS_SYMLINK_MAXLEN)      /* total string too long */
 		return -ENAMETOOLONG;
+	ASSERT(pathlen > 0);
 
 	udqp = gdqp = NULL;
 	prid = xfs_get_initial_prid(dp);
@@ -378,6 +379,12 @@ xfs_symlink(
 
 /*
  * Free a symlink that has blocks associated with it.
+ *
+ * Note: zero length symlinks are not allowed to exist. When we set the size to
+ * zero, also change it to a regular file so that it does not get written to
+ * disk as a zero length symlink. The inode is on the unlinked list already, so
+ * userspace cannot find this inode anymore, so this change is not user visible
+ * but allows us to catch corrupt zero-length symlinks in the verifiers.
  */
 STATIC int
 xfs_inactive_symlink_rmt(
@@ -412,13 +419,14 @@ xfs_inactive_symlink_rmt(
 	xfs_trans_ijoin(tp, ip, 0);
 
 	/*
-	 * Lock the inode, fix the size, and join it to the transaction.
-	 * Hold it so in the normal path, we still have it locked for
-	 * the second transaction.  In the error paths we need it
+	 * Lock the inode, fix the size, turn it into a regular file and join it
+	 * to the transaction.  Hold it so in the normal path, we still have it
+	 * locked for the second transaction.  In the error paths we need it
 	 * held so the cancel won't rele it, see below.
 	 */
 	size = (int)ip->i_d.di_size;
 	ip->i_d.di_size = 0;
+	VFS_I(ip)->i_mode = (VFS_I(ip)->i_mode & ~S_IFMT) | S_IFREG;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 	/*
 	 * Find the block(s) so we can inval and unmap them.
@@ -494,17 +502,10 @@ xfs_inactive_symlink(
 		return -EIO;
 
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
-
-	/*
-	 * Zero length symlinks _can_ exist.
-	 */
 	pathlen = (int)ip->i_d.di_size;
-	if (!pathlen) {
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-		return 0;
-	}
+	ASSERT(pathlen);
 
-	if (pathlen < 0 || pathlen > XFS_SYMLINK_MAXLEN) {
+	if (pathlen <= 0 || pathlen > XFS_SYMLINK_MAXLEN) {
 		xfs_alert(mp, "%s: inode (0x%llx) bad symlink length (%d)",
 			 __func__, (unsigned long long)ip->i_ino, pathlen);
 		xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -512,12 +513,12 @@ xfs_inactive_symlink(
 		return -EFSCORRUPTED;
 	}
 
+	/*
+	 * Inline fork state gets removed by xfs_difree() so we have nothing to
+	 * do here in that case.
+	 */
 	if (ip->i_df.if_flags & XFS_IFINLINE) {
-		if (ip->i_df.if_bytes > 0) 
-			xfs_idata_realloc(ip, -(ip->i_df.if_bytes),
-					  XFS_DATA_FORK);
 		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-		ASSERT(ip->i_df.if_bytes == 0);
 		return 0;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 035/219] ARM: ks8695: fix section mismatch warning
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (25 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 034/219] xfs: zero length symlinks are not valid Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 036/219] ACPI / LPSS: Ignore acpi_device_fix_up_power() return value Sasha Levin
                   ` (182 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Olof Johansson, Sasha Levin, linux-arm-kernel

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 4aa64677330beeeed721b4b122884dabad845d66 ]

WARNING: vmlinux.o(.text+0x13250): Section mismatch in reference from the function acs5k_i2c_init() to the (unknown reference) .init.data:(unknown)
The function acs5k_i2c_init() references
the (unknown reference) __initdata (unknown).
This is often because acs5k_i2c_init lacks a __initdata
annotation or the annotation of (unknown) is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/mach-ks8695/board-acs5k.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-ks8695/board-acs5k.c b/arch/arm/mach-ks8695/board-acs5k.c
index ef835d82cdb95..5783062224c39 100644
--- a/arch/arm/mach-ks8695/board-acs5k.c
+++ b/arch/arm/mach-ks8695/board-acs5k.c
@@ -100,7 +100,7 @@ static struct i2c_board_info acs5k_i2c_devs[] __initdata = {
 	},
 };
 
-static void acs5k_i2c_init(void)
+static void __init acs5k_i2c_init(void)
 {
 	/* The gpio interface */
 	gpiod_add_lookup_table(&acs5k_i2c_gpiod_table);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 036/219] ACPI / LPSS: Ignore acpi_device_fix_up_power() return value
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (26 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 035/219] ARM: ks8695: fix section mismatch warning Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 037/219] scsi: lpfc: Enable Management features for IF_TYPE=6 Sasha Levin
                   ` (181 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hans de Goede, Rafael J . Wysocki, Sasha Levin, linux-acpi

From: Hans de Goede <hdegoede@redhat.com>

[ Upstream commit 1a2fa02f7489dc4d746f2a15fb77b3ce1affade8 ]

Ignore acpi_device_fix_up_power() return value. If we return an error
we end up with acpi_default_enumeration() still creating a platform-
device for the device and we end up with the device still being used
but without the special LPSS related handling which is not useful.

Specicifically ignoring the error fixes the touchscreen no longer
working after a suspend/resume on a Prowise PT301 tablet.

This tablet has a broken _PS0 method on the touchscreen's I2C controller,
causing acpi_device_fix_up_power() to fail, causing fallback to standard
platform-dev handling and specifically causing acpi_lpss_save/restore_ctx
to not run.

The I2C controllers _PS0 method does actually turn on the device, but then
does some more nonsense which fails when run during early boot trying to
use I2C opregion handling on another not-yet registered I2C controller.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/acpi_lpss.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index c651e206d7960..d79245e9dff72 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -637,12 +637,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
 	 * have _PS0 and _PS3 without _PSC (and no power resources), so
 	 * acpi_bus_init_power() will assume that the BIOS has put them into D0.
 	 */
-	ret = acpi_device_fix_up_power(adev);
-	if (ret) {
-		/* Skip the device, but continue the namespace scan. */
-		ret = 0;
-		goto err_out;
-	}
+	acpi_device_fix_up_power(adev);
 
 	adev->driver_data = pdata;
 	pdev = acpi_create_platform_device(adev, dev_desc->properties);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 037/219] scsi: lpfc: Enable Management features for IF_TYPE=6
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (27 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 036/219] ACPI / LPSS: Ignore acpi_device_fix_up_power() return value Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 038/219] scsi: qla2xxx: Fix NPIV handling for FC-NVMe Sasha Levin
                   ` (180 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: James Smart, Dick Kennedy, Ewan D . Milne, Martin K . Petersen,
	Sasha Levin, linux-scsi

From: James Smart <jsmart2021@gmail.com>

[ Upstream commit 719162bd5bb968203397b9b1d0dd30a9797bbd09 ]

Addition of support for if_type=6 missed several checks for interface type,
resulting in the failure of several key management features such as
firmware dump and loopback testing.

Correct the checks on the if_type so that both SLI4 IF_TYPE's 2 and 6 are
supported.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/lpfc/lpfc_attr.c    | 4 ++--
 drivers/scsi/lpfc/lpfc_bsg.c     | 6 +++---
 drivers/scsi/lpfc/lpfc_els.c     | 2 +-
 drivers/scsi/lpfc/lpfc_hbadisc.c | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 55cd96e2469c6..3f69a5e4e470a 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1332,7 +1332,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
 		return -EACCES;
 
 	if ((phba->sli_rev < LPFC_SLI_REV4) ||
-	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	     LPFC_SLI_INTF_IF_TYPE_2))
 		return -EPERM;
 
@@ -4264,7 +4264,7 @@ lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
 	uint32_t prev_val, if_type;
 
 	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
-	if (if_type == LPFC_SLI_INTF_IF_TYPE_2 &&
+	if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
 	    phba->hba_flag & HBA_FORCED_LINK_SPEED)
 		return -EPERM;
 
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 90745feca8080..99aea52e584b0 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -2221,7 +2221,7 @@ lpfc_bsg_diag_loopback_mode(struct bsg_job *job)
 
 	if (phba->sli_rev < LPFC_SLI_REV4)
 		rc = lpfc_sli3_bsg_diag_loopback_mode(phba, job);
-	else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
+	else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
 		 LPFC_SLI_INTF_IF_TYPE_2)
 		rc = lpfc_sli4_bsg_diag_loopback_mode(phba, job);
 	else
@@ -2261,7 +2261,7 @@ lpfc_sli4_bsg_diag_mode_end(struct bsg_job *job)
 
 	if (phba->sli_rev < LPFC_SLI_REV4)
 		return -ENODEV;
-	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	    LPFC_SLI_INTF_IF_TYPE_2)
 		return -ENODEV;
 
@@ -2353,7 +2353,7 @@ lpfc_sli4_bsg_link_diag_test(struct bsg_job *job)
 		rc = -ENODEV;
 		goto job_error;
 	}
-	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	    LPFC_SLI_INTF_IF_TYPE_2) {
 		rc = -ENODEV;
 		goto job_error;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 3651c0fc88197..d0cd368790a64 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -5536,7 +5536,7 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	struct ls_rjt stat;
 
 	if (phba->sli_rev < LPFC_SLI_REV4 ||
-	    bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 						LPFC_SLI_INTF_IF_TYPE_2) {
 		rjt_err = LSRJT_UNABLE_TPC;
 		rjt_expl = LSEXP_REQ_UNSUPPORTED;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index ccdd82b1123f7..1a6da347f00ad 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -4751,7 +4751,7 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 				if (phba->sli_rev == LPFC_SLI_REV4 &&
 				    (!(vport->load_flag & FC_UNLOADING)) &&
 				    (bf_get(lpfc_sli_intf_if_type,
-				     &phba->sli4_hba.sli_intf) ==
+				     &phba->sli4_hba.sli_intf) >=
 				      LPFC_SLI_INTF_IF_TYPE_2) &&
 				    (kref_read(&ndlp->kref) > 0)) {
 					mbox->context1 = lpfc_nlp_get(ndlp);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 038/219] scsi: qla2xxx: Fix NPIV handling for FC-NVMe
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (28 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 037/219] scsi: lpfc: Enable Management features for IF_TYPE=6 Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 039/219] scsi: qla2xxx: Fix for FC-NVMe discovery for NPIV port Sasha Levin
                   ` (179 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Himanshu Madhani, Martin K . Petersen, Sasha Levin, linux-scsi

From: Himanshu Madhani <hmadhani@marvell.com>

[ Upstream commit 5e6803b409ba3c18434de6693062d98a470bcb1e ]

This patch fixes issues with NPIV port with FC-NVMe. Clean up code for
remoteport delete and also call nvme_delete when deleting VPs.

Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qla2xxx/qla_nvme.c | 16 +++-------------
 drivers/scsi/qla2xxx/qla_os.c   |  2 ++
 2 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index e6545cb9a2c19..5590d6e8b5762 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -474,21 +474,10 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 	int rval = -ENODEV;
 	srb_t *sp;
 	struct qla_qpair *qpair = hw_queue_handle;
-	struct nvme_private *priv;
+	struct nvme_private *priv = fd->private;
 	struct qla_nvme_rport *qla_rport = rport->private;
 
-	if (!fd || !qpair) {
-		ql_log(ql_log_warn, NULL, 0x2134,
-		    "NO NVMe request or Queue Handle\n");
-		return rval;
-	}
-
-	priv = fd->private;
 	fcport = qla_rport->fcport;
-	if (!fcport) {
-		ql_log(ql_log_warn, NULL, 0x210e, "No fcport ptr\n");
-		return rval;
-	}
 
 	vha = fcport->vha;
 
@@ -517,6 +506,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 	sp->name = "nvme_cmd";
 	sp->done = qla_nvme_sp_done;
 	sp->qpair = qpair;
+	sp->vha = vha;
 	nvme = &sp->u.iocb_cmd;
 	nvme->u.nvme.desc = fd;
 
@@ -564,7 +554,7 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
 		schedule_work(&fcport->free_work);
 	}
 
-	fcport->nvme_flag &= ~(NVME_FLAG_REGISTERED | NVME_FLAG_DELETING);
+	fcport->nvme_flag &= ~NVME_FLAG_DELETING;
 	ql_log(ql_log_info, fcport->vha, 0x2110,
 	    "remoteport_delete of %p completed.\n", fcport);
 }
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 18ee614fe07f5..fb6b5de098f58 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3537,6 +3537,8 @@ qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
 		spin_unlock_irqrestore(&ha->vport_slock, flags);
 		mutex_unlock(&ha->vport_lock);
 
+		qla_nvme_delete(vha);
+
 		fc_vport_terminate(vha->fc_vport);
 		scsi_host_put(vha->host);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 039/219] scsi: qla2xxx: Fix for FC-NVMe discovery for NPIV port
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (29 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 038/219] scsi: qla2xxx: Fix NPIV handling for FC-NVMe Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 040/219] nvme: provide fallback for discard alloc failure Sasha Levin
                   ` (178 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Giridhar Malavali, Himanshu Madhani, Martin K . Petersen,
	Sasha Levin, linux-scsi

From: Giridhar Malavali <gmalavali@marvell.com>

[ Upstream commit 835aa4f2691e4ed4ed16de81f3cabf17a87a164f ]

This patch fixes NVMe discovery by setting SKIP_PRLI flag, so that PRLI is
driven by driver and is retried when the NPIV port is detected to have NVMe
capability.

Signed-off-by: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qla2xxx/qla_attr.c |  2 ++
 drivers/scsi/qla2xxx/qla_init.c | 10 ++++------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 15d493f30810f..3e9c49b3184f1 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2161,6 +2161,8 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
 		msleep(1000);
 
+	qla_nvme_delete(vha);
+
 	qla24xx_disable_vp(vha);
 	qla2x00_wait_for_sess_deletion(vha);
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index bee9cfb291529..1ae6bb6e70415 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -242,15 +242,13 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 
 	sp->done = qla2x00_async_login_sp_done;
-	if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) {
+	if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
 		lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
-	} else {
+	else
 		lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 
-		if (fcport->fc4f_nvme)
-			lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
-
-	}
+	if (fcport->fc4f_nvme)
+		lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 
 	ql_dbg(ql_dbg_disc, vha, 0x2072,
 	    "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 040/219] nvme: provide fallback for discard alloc failure
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (30 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 039/219] scsi: qla2xxx: Fix for FC-NVMe discovery for NPIV port Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 041/219] s390/zcrypt: make sysfs reset attribute trigger queue reset Sasha Levin
                   ` (177 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jens Axboe, Keith Busch, Sagi Grimberg, Christoph Hellwig,
	Sasha Levin, linux-nvme

From: Jens Axboe <axboe@kernel.dk>

[ Upstream commit cb5b7262b011cfb793519bf97e54dff5282da23c ]

When boxes are run near (or to) OOM, we have a problem with the discard
page allocation in nvme. If we fail allocating the special page, we
return busy, and it'll get retried. But since ordering is honored for
dispatch requests, we can keep retrying this same IO and failing. Behind
that IO could be requests that want to free memory, but they never get
the chance.

Allocate a fixed discard page per controller for a safe fallback, and use
that if the initial allocation fails.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/core.c | 41 ++++++++++++++++++++++++++++++++++------
 drivers/nvme/host/nvme.h |  3 +++
 2 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 5d0f99bcc987f..ced70d37e0f9b 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -551,9 +551,19 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req,
 	struct nvme_dsm_range *range;
 	struct bio *bio;
 
-	range = kmalloc_array(segments, sizeof(*range), GFP_ATOMIC);
-	if (!range)
-		return BLK_STS_RESOURCE;
+	range = kmalloc_array(segments, sizeof(*range),
+				GFP_ATOMIC | __GFP_NOWARN);
+	if (!range) {
+		/*
+		 * If we fail allocation our range, fallback to the controller
+		 * discard page. If that's also busy, it's safe to return
+		 * busy, as we know we can make progress once that's freed.
+		 */
+		if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy))
+			return BLK_STS_RESOURCE;
+
+		range = page_address(ns->ctrl->discard_page);
+	}
 
 	__rq_for_each_bio(bio, req) {
 		u64 slba = nvme_block_nr(ns, bio->bi_iter.bi_sector);
@@ -568,7 +578,10 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req,
 	}
 
 	if (WARN_ON_ONCE(n != segments)) {
-		kfree(range);
+		if (virt_to_page(range) == ns->ctrl->discard_page)
+			clear_bit_unlock(0, &ns->ctrl->discard_page_busy);
+		else
+			kfree(range);
 		return BLK_STS_IOERR;
 	}
 
@@ -653,8 +666,13 @@ void nvme_cleanup_cmd(struct request *req)
 				blk_rq_bytes(req) >> ns->lba_shift);
 	}
 	if (req->rq_flags & RQF_SPECIAL_PAYLOAD) {
-		kfree(page_address(req->special_vec.bv_page) +
-		      req->special_vec.bv_offset);
+		struct nvme_ns *ns = req->rq_disk->private_data;
+		struct page *page = req->special_vec.bv_page;
+
+		if (page == ns->ctrl->discard_page)
+			clear_bit_unlock(0, &ns->ctrl->discard_page_busy);
+		else
+			kfree(page_address(page) + req->special_vec.bv_offset);
 	}
 }
 EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);
@@ -3551,6 +3569,7 @@ static void nvme_free_ctrl(struct device *dev)
 	ida_simple_remove(&nvme_instance_ida, ctrl->instance);
 	kfree(ctrl->effects);
 	nvme_mpath_uninit(ctrl);
+	kfree(ctrl->discard_page);
 
 	if (subsys) {
 		mutex_lock(&subsys->lock);
@@ -3592,6 +3611,14 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
 	memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd));
 	ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive;
 
+	BUILD_BUG_ON(NVME_DSM_MAX_RANGES * sizeof(struct nvme_dsm_range) >
+			PAGE_SIZE);
+	ctrl->discard_page = alloc_page(GFP_KERNEL);
+	if (!ctrl->discard_page) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
 	ret = ida_simple_get(&nvme_instance_ida, 0, 0, GFP_KERNEL);
 	if (ret < 0)
 		goto out;
@@ -3629,6 +3656,8 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
 out_release_instance:
 	ida_simple_remove(&nvme_instance_ida, ctrl->instance);
 out:
+	if (ctrl->discard_page)
+		__free_page(ctrl->discard_page);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(nvme_init_ctrl);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2653e1f4196d5..cc4273f119894 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -238,6 +238,9 @@ struct nvme_ctrl {
 	u16 maxcmd;
 	int nr_reconnects;
 	struct nvmf_ctrl_options *opts;
+
+	struct page *discard_page;
+	unsigned long discard_page_busy;
 };
 
 struct nvme_subsystem {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 041/219] s390/zcrypt: make sysfs reset attribute trigger queue reset
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (31 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 040/219] nvme: provide fallback for discard alloc failure Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 042/219] crypto: user - support incremental algorithm dumps Sasha Levin
                   ` (176 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Harald Freudenberger, Martin Schwidefsky, Sasha Levin, linux-s390

From: Harald Freudenberger <freude@linux.ibm.com>

[ Upstream commit 42a87d4103ae365e18c3be1333592ab583b8ad9d ]

Until now there is no way to reset a AP queue or card. Driving a card
or queue offline and online again does only toggle the 'software'
online state. The only way to trigger a (hardware) reset is by running
hot-unplug/hot-plug for example on the HMC.

This patch makes the queue reset attribute in sysfs writable.
Writing into this attribute triggers a reset on the AP queue's state
machine. So the AP queue is flushed and state machine runs through the
initial states which cause a reset (PQAP(RAPQ)) and a re-registration
to interrupts (PQAP(AQIC)) if available.

The reset sysfs attribute is writable by root only. So only an
administrator is allowed to initiate a reset of AP queues. Please note
that the queue's counter values are left untouched by the reset.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/crypto/ap_queue.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 0aa4b3ccc948c..576ac08777c50 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -14,6 +14,9 @@
 #include <asm/facility.h>
 
 #include "ap_bus.h"
+#include "ap_debug.h"
+
+static void __ap_flush_queue(struct ap_queue *aq);
 
 /**
  * ap_queue_enable_interruption(): Enable interruption on an AP queue.
@@ -541,7 +544,25 @@ static ssize_t reset_show(struct device *dev,
 	return rc;
 }
 
-static DEVICE_ATTR_RO(reset);
+static ssize_t reset_store(struct device *dev,
+			   struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct ap_queue *aq = to_ap_queue(dev);
+
+	spin_lock_bh(&aq->lock);
+	__ap_flush_queue(aq);
+	aq->state = AP_STATE_RESET_START;
+	ap_wait(ap_sm_event(aq, AP_EVENT_POLL));
+	spin_unlock_bh(&aq->lock);
+
+	AP_DBF(DBF_INFO, "reset queue=%02x.%04x triggered by user\n",
+	       AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+
+	return count;
+}
+
+static DEVICE_ATTR_RW(reset);
 
 static ssize_t interrupt_show(struct device *dev,
 			      struct device_attribute *attr, char *buf)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 042/219] crypto: user - support incremental algorithm dumps
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (32 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 041/219] s390/zcrypt: make sysfs reset attribute trigger queue reset Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 043/219] arm64: dts: renesas: draak: Fix CVBS input Sasha Levin
                   ` (175 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Eric Biggers, Herbert Xu, Sasha Levin, linux-crypto

From: Eric Biggers <ebiggers@google.com>

[ Upstream commit 0ac6b8fb23c724b015d9ca70a89126e8d1563166 ]

CRYPTO_MSG_GETALG in NLM_F_DUMP mode sometimes doesn't return all
registered crypto algorithms, because it doesn't support incremental
dumps.  crypto_dump_report() only permits itself to be called once, yet
the netlink subsystem allocates at most ~64 KiB for the skb being dumped
to.  Thus only the first recvmsg() returns data, and it may only include
a subset of the crypto algorithms even if the user buffer passed to
recvmsg() is large enough to hold all of them.

Fix this by using one of the arguments in the netlink_callback structure
to keep track of the current position in the algorithm list.  Then
userspace can do multiple recvmsg() on the socket after sending the dump
request.  This is the way netlink dumps work elsewhere in the kernel;
it's unclear why this was different (probably just an oversight).

Also fix an integer overflow when calculating the dump buffer size hint.

Fixes: a38f7907b926 ("crypto: Add userspace configuration API")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 crypto/crypto_user.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 3cca814348a26..74cb166097cd2 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -296,30 +296,33 @@ static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh,
 
 static int crypto_dump_report(struct sk_buff *skb, struct netlink_callback *cb)
 {
-	struct crypto_alg *alg;
+	const size_t start_pos = cb->args[0];
+	size_t pos = 0;
 	struct crypto_dump_info info;
-	int err;
-
-	if (cb->args[0])
-		goto out;
-
-	cb->args[0] = 1;
+	struct crypto_alg *alg;
+	int res;
 
 	info.in_skb = cb->skb;
 	info.out_skb = skb;
 	info.nlmsg_seq = cb->nlh->nlmsg_seq;
 	info.nlmsg_flags = NLM_F_MULTI;
 
+	down_read(&crypto_alg_sem);
 	list_for_each_entry(alg, &crypto_alg_list, cra_list) {
-		err = crypto_report_alg(alg, &info);
-		if (err)
-			goto out_err;
+		if (pos >= start_pos) {
+			res = crypto_report_alg(alg, &info);
+			if (res == -EMSGSIZE)
+				break;
+			if (res)
+				goto out;
+		}
+		pos++;
 	}
-
+	cb->args[0] = pos;
+	res = skb->len;
 out:
-	return skb->len;
-out_err:
-	return err;
+	up_read(&crypto_alg_sem);
+	return res;
 }
 
 static int crypto_dump_report_done(struct netlink_callback *cb)
@@ -503,7 +506,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) &&
 	    (nlh->nlmsg_flags & NLM_F_DUMP))) {
 		struct crypto_alg *alg;
-		u16 dump_alloc = 0;
+		unsigned long dump_alloc = 0;
 
 		if (link->dump == NULL)
 			return -EINVAL;
@@ -511,16 +514,16 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
 		down_read(&crypto_alg_sem);
 		list_for_each_entry(alg, &crypto_alg_list, cra_list)
 			dump_alloc += CRYPTO_REPORT_MAXSIZE;
+		up_read(&crypto_alg_sem);
 
 		{
 			struct netlink_dump_control c = {
 				.dump = link->dump,
 				.done = link->done,
-				.min_dump_alloc = dump_alloc,
+				.min_dump_alloc = min(dump_alloc, 65535UL),
 			};
 			err = netlink_dump_start(crypto_nlsk, skb, nlh, &c);
 		}
-		up_read(&crypto_alg_sem);
 
 		return err;
 	}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 043/219] arm64: dts: renesas: draak: Fix CVBS input
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (33 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 042/219] crypto: user - support incremental algorithm dumps Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 044/219] mwifiex: fix potential NULL dereference and use after free Sasha Levin
                   ` (174 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Laurent Pinchart, Jacopo Mondi, Simon Horman, Sasha Levin,
	linux-renesas-soc, devicetree

From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

[ Upstream commit 6f61a2c8f1f6163c7e08c77c5f71df0427e4d2f6 ]

A typo in the adv7180 DT node prevents successful probing of the VIN.
Fix it.

Fixes: 6a0942c20f5c ("arm64: dts: renesas: draak: Describe CVBS input")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index a8e8f2669d4c5..1b8f19ee257f0 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -188,7 +188,7 @@
 		compatible = "adi,adv7180cp";
 		reg = <0x20>;
 
-		port {
+		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 044/219] mwifiex: fix potential NULL dereference and use after free
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (34 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 043/219] arm64: dts: renesas: draak: Fix CVBS input Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 045/219] mwifiex: debugfs: correct histogram spacing, formatting Sasha Levin
                   ` (173 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Pan Bian, Kalle Valo, Sasha Levin, linux-wireless, netdev

From: Pan Bian <bianpan2016@163.com>

[ Upstream commit 1dcd9429212b98bea87fc6ec92fb50bf5953eb47 ]

There are two defects: (1) passing a NULL bss to
mwifiex_save_hidden_ssid_channels will result in NULL dereference,
(2) using bss after dropping the reference to it via cfg80211_put_bss.
To fix them, the patch moves the buggy code to the branch that bss is
not NULL and puts it before cfg80211_put_bss.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/marvell/mwifiex/scan.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index ed27147efcb37..dd02bbd9544e7 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -1906,15 +1906,17 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info,
 					    ETH_ALEN))
 					mwifiex_update_curr_bss_params(priv,
 								       bss);
-				cfg80211_put_bss(priv->wdev.wiphy, bss);
-			}
 
-			if ((chan->flags & IEEE80211_CHAN_RADAR) ||
-			    (chan->flags & IEEE80211_CHAN_NO_IR)) {
-				mwifiex_dbg(adapter, INFO,
-					    "radar or passive channel %d\n",
-					    channel);
-				mwifiex_save_hidden_ssid_channels(priv, bss);
+				if ((chan->flags & IEEE80211_CHAN_RADAR) ||
+				    (chan->flags & IEEE80211_CHAN_NO_IR)) {
+					mwifiex_dbg(adapter, INFO,
+						    "radar or passive channel %d\n",
+						    channel);
+					mwifiex_save_hidden_ssid_channels(priv,
+									  bss);
+				}
+
+				cfg80211_put_bss(priv->wdev.wiphy, bss);
 			}
 		}
 	} else {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 045/219] mwifiex: debugfs: correct histogram spacing, formatting
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (35 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 044/219] mwifiex: fix potential NULL dereference and use after free Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 046/219] brcmfmac: set F2 watermark to 256 for 4373 Sasha Levin
                   ` (172 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Brian Norris, Kalle Valo, Sasha Levin, linux-wireless, netdev

From: Brian Norris <briannorris@chromium.org>

[ Upstream commit 4cb777c64e030778c569f605398d7604d8aabc0f ]

Currently, snippets of this file look like:

rx rates (in Mbps): 0=1M   1=2M2=5.5M  3=11M   4=6M   5=9M  6=12M
7=18M  8=24M  9=36M  10=48M  11=54M12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)
44-53=MCS0-9(VHT:BW20)54-63=MCS0-9(VHT:BW40)64-73=MCS0-9(VHT:BW80)
...
noise_flr[--96dBm] = 22
noise_flr[--95dBm] = 149
noise_flr[--94dBm] = 9
noise_flr[--93dBm] = 2

We're missing some spaces, and we're adding a minus sign ('-') on values
that are already negative signed integers.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/marvell/mwifiex/debugfs.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index cce70252fd96b..cbe4493b32664 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -273,15 +273,13 @@ mwifiex_histogram_read(struct file *file, char __user *ubuf,
 		     "total samples = %d\n",
 		     atomic_read(&phist_data->num_samples));
 
-	p += sprintf(p, "rx rates (in Mbps): 0=1M   1=2M");
-	p += sprintf(p, "2=5.5M  3=11M   4=6M   5=9M  6=12M\n");
-	p += sprintf(p, "7=18M  8=24M  9=36M  10=48M  11=54M");
-	p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n");
+	p += sprintf(p,
+		     "rx rates (in Mbps): 0=1M   1=2M 2=5.5M  3=11M   4=6M   5=9M  6=12M\n"
+		     "7=18M  8=24M  9=36M  10=48M  11=54M 12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n");
 
 	if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
-		p += sprintf(p, "44-53=MCS0-9(VHT:BW20)");
-		p += sprintf(p, "54-63=MCS0-9(VHT:BW40)");
-		p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n");
+		p += sprintf(p,
+			     "44-53=MCS0-9(VHT:BW20) 54-63=MCS0-9(VHT:BW40) 64-73=MCS0-9(VHT:BW80)\n\n");
 	} else {
 		p += sprintf(p, "\n");
 	}
@@ -310,7 +308,7 @@ mwifiex_histogram_read(struct file *file, char __user *ubuf,
 	for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) {
 		value = atomic_read(&phist_data->noise_flr[i]);
 		if (value)
-			p += sprintf(p, "noise_flr[-%02ddBm] = %d\n",
+			p += sprintf(p, "noise_flr[%02ddBm] = %d\n",
 				(int)(i-128), value);
 	}
 	for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 046/219] brcmfmac: set F2 watermark to 256 for 4373
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (36 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 045/219] mwifiex: debugfs: correct histogram spacing, formatting Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 047/219] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373 Sasha Levin
                   ` (171 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Wright Feng, Arend van Spriel, Chi-Hsien Lin, Kalle Valo,
	Sasha Levin, linux-wireless, brcm80211-dev-list.pdl,
	brcm80211-dev-list, netdev

From: Wright Feng <wright.feng@cypress.com>

[ Upstream commit e1a08730eeb0bad4d82c3bc40e74854872de618d ]

We got SDIO_CRC_ERROR with 4373 on SDR104 when doing bi-directional
throughput test. Enable watermark to 256 to guarantee the operation
stability.

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../broadcom/brcm80211/brcmfmac/sdio.c        | 26 +++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 53e4962ceb8ae..e487dd78cc024 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -49,6 +49,10 @@
 #define DCMD_RESP_TIMEOUT	msecs_to_jiffies(2500)
 #define CTL_DONE_TIMEOUT	msecs_to_jiffies(2500)
 
+/* watermark expressed in number of words */
+#define DEFAULT_F2_WATERMARK    0x8
+#define CY_4373_F2_WATERMARK    0x40
+
 #ifdef DEBUG
 
 #define BRCMF_TRAP_INFO_SIZE	80
@@ -138,6 +142,8 @@ struct rte_console {
 /* 1: isolate internal sdio signals, put external pads in tri-state; requires
  * sdio bus power cycle to clear (rev 9) */
 #define SBSDIO_DEVCTL_PADS_ISO		0x08
+/* 1: enable F2 Watermark */
+#define SBSDIO_DEVCTL_F2WM_ENAB		0x10
 /* Force SD->SB reset mapping (rev 11) */
 #define SBSDIO_DEVCTL_SB_RST_CTL	0x30
 /*   Determined by CoreControl bit */
@@ -4060,6 +4066,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
 	void *nvram;
 	u32 nvram_len;
 	u8 saveclk;
+	u8 devctl;
 
 	brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err);
 
@@ -4115,8 +4122,23 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
 		brcmf_sdiod_writel(sdiod, core->base + SD_REG(hostintmask),
 				   bus->hostintmask, NULL);
 
-
-		brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, 8, &err);
+		switch (sdiod->func1->device) {
+		case SDIO_DEVICE_ID_CYPRESS_4373:
+			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+				  CY_4373_F2_WATERMARK);
+			brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+					   CY_4373_F2_WATERMARK, &err);
+			devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+						   &err);
+			devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+			brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+					   &err);
+			break;
+		default:
+			brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+					   DEFAULT_F2_WATERMARK, &err);
+			break;
+		}
 	} else {
 		/* Disable F2 again */
 		sdio_disable_func(sdiod->func2);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 047/219] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (37 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 046/219] brcmfmac: set F2 watermark to 256 for 4373 Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 048/219] rtl818x: fix potential use after free Sasha Levin
                   ` (170 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Madhan Mohan R, Arend van Spriel, Madhan Mohan R, Chi-Hsien Lin,
	Kalle Valo, Sasha Levin, linux-wireless, brcm80211-dev-list.pdl,
	brcm80211-dev-list, netdev

From: Madhan Mohan R <MadhanMohan.R@cypress.com>

[ Upstream commit 58e4bbea0c1d9b5ace11df968c5dc096ce052a73 ]

Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
should be enabled & sdio device RX FIFO watermark should be
configured to avoid overflow errors.

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Madhan Mohan R <madhanmohan.r@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 +++
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 9 ++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index e487dd78cc024..abaed2fa2defd 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4133,6 +4133,9 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
 			devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
 			brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
 					   &err);
+			brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+					   CY_4373_F2_WATERMARK |
+					   SBSDIO_MESBUSYCTRL_ENAB, &err);
 			break;
 		default:
 			brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
index 7faed831f07d5..34b031154da93 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
@@ -77,7 +77,7 @@
 #define SBSDIO_GPIO_OUT			0x10006
 /* gpio enable */
 #define SBSDIO_GPIO_EN			0x10007
-/* rev < 7, watermark for sdio device */
+/* rev < 7, watermark for sdio device TX path */
 #define SBSDIO_WATERMARK		0x10008
 /* control busy signal generation */
 #define SBSDIO_DEVICE_CTL		0x10009
@@ -104,6 +104,13 @@
 #define SBSDIO_FUNC1_RFRAMEBCHI		0x1001C
 /* MesBusyCtl (rev 11) */
 #define SBSDIO_FUNC1_MESBUSYCTRL	0x1001D
+/* Watermark for sdio device RX path */
+#define SBSDIO_MESBUSY_RXFIFO_WM_MASK	0x7F
+#define SBSDIO_MESBUSY_RXFIFO_WM_SHIFT	0
+/* Enable busy capability for MES access */
+#define SBSDIO_MESBUSYCTRL_ENAB		0x80
+#define SBSDIO_MESBUSYCTRL_ENAB_SHIFT	7
+
 /* Sdio Core Rev 12 */
 #define SBSDIO_FUNC1_WAKEUPCTRL		0x1001E
 #define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK		0x1
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 048/219] rtl818x: fix potential use after free
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (38 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 047/219] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373 Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 049/219] bcache: do not check if debug dentry is ERR or NULL explicitly on remove Sasha Levin
                   ` (169 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Pan Bian, Larry Finger, Kalle Valo, Sasha Levin, linux-wireless, netdev

From: Pan Bian <bianpan2016@163.com>

[ Upstream commit afbb1947db94eacc5a13302eee88a9772fb78935 ]

entry is released via usb_put_urb just after calling usb_submit_urb.
However, entry is used if the submission fails, resulting in a use after
free bug. The patch fixes this.

Signed-off-by: Pan Bian <bianpan2016@163.com>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c
index 9a1d15b3ce453..518caaaf8a987 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c
@@ -444,12 +444,13 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev)
 		skb_queue_tail(&priv->rx_queue, skb);
 		usb_anchor_urb(entry, &priv->anchored);
 		ret = usb_submit_urb(entry, GFP_KERNEL);
-		usb_put_urb(entry);
 		if (ret) {
 			skb_unlink(skb, &priv->rx_queue);
 			usb_unanchor_urb(entry);
+			usb_put_urb(entry);
 			goto err;
 		}
+		usb_put_urb(entry);
 	}
 	return ret;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 049/219] bcache: do not check if debug dentry is ERR or NULL explicitly on remove
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (39 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 048/219] rtl818x: fix potential use after free Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 050/219] bcache: do not mark writeback_running too early Sasha Levin
                   ` (168 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Shenghui Wang, Coly Li, Jens Axboe, Sasha Levin, linux-bcache

From: Shenghui Wang <shhuiw@foxmail.com>

[ Upstream commit ae17102316550b4b230a283febe31b2a9ff30084 ]

debugfs_remove and debugfs_remove_recursive will check if the dentry
pointer is NULL or ERR, and will do nothing in that case.

Remove the check in cache_set_free and bch_debug_init.

Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/bcache/debug.c | 3 +--
 drivers/md/bcache/super.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index 06da66b2488ae..8c53d874ada4a 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -249,8 +249,7 @@ void bch_debug_init_cache_set(struct cache_set *c)
 
 void bch_debug_exit(void)
 {
-	if (!IS_ERR_OR_NULL(bcache_debug))
-		debugfs_remove_recursive(bcache_debug);
+	debugfs_remove_recursive(bcache_debug);
 }
 
 void __init bch_debug_init(struct kobject *kobj)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 2321643974dab..3124399e2607a 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1485,8 +1485,7 @@ static void cache_set_free(struct closure *cl)
 	struct cache *ca;
 	unsigned int i;
 
-	if (!IS_ERR_OR_NULL(c->debug))
-		debugfs_remove(c->debug);
+	debugfs_remove(c->debug);
 
 	bch_open_buckets_free(c);
 	bch_btree_cache_free(c);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 050/219] bcache: do not mark writeback_running too early
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (40 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 049/219] bcache: do not check if debug dentry is ERR or NULL explicitly on remove Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 051/219] xfs: require both realtime inodes to mount Sasha Levin
                   ` (167 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Shenghui Wang, Coly Li, Jens Axboe, Sasha Levin, linux-bcache

From: Shenghui Wang <shhuiw@foxmail.com>

[ Upstream commit 79b791466e525c98f6aeee9acf5726e7b27f4231 ]

A fresh backing device is not attached to any cache_set, and
has no writeback kthread created until first attached to some
cache_set.

But bch_cached_dev_writeback_init run
"
	dc->writeback_running		= true;
	WARN_ON(test_and_clear_bit(BCACHE_DEV_WB_RUNNING,
			&dc->disk.flags));
"
for any newly formatted backing devices.

For a fresh standalone backing device, we can get something like
following even if no writeback kthread created:
------------------------
/sys/block/bcache0/bcache# cat writeback_running
1
/sys/block/bcache0/bcache# cat writeback_rate_debug
rate:		512.0k/sec
dirty:		0.0k
target:		0.0k
proportional:	0.0k
integral:	0.0k
change:		0.0k/sec
next io:	-15427384ms

The none ZERO fields are misleading as no alive writeback kthread yet.

Set dc->writeback_running false as no writeback thread created in
bch_cached_dev_writeback_init().

We have writeback thread created and woken up in bch_cached_dev_writeback
_start(). Set dc->writeback_running true before bch_writeback_queue()
called, as a writeback thread will check if dc->writeback_running is true
before writing back dirty data, and hung if false detected.

After the change, we can get the following output for a fresh standalone
backing device:
-----------------------
/sys/block/bcache0/bcache$ cat writeback_running
0
/sys/block/bcache0/bcache# cat writeback_rate_debug
rate:		0.0k/sec
dirty:		0.0k
target:		0.0k
proportional:	0.0k
integral:	0.0k
change:		0.0k/sec
next io:	0ms

v1 -> v2:
  Set dc->writeback_running before bch_writeback_queue() called,

Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/bcache/writeback.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index ba5395fd386d5..b5fc3c6c7178e 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -781,7 +781,7 @@ void bch_cached_dev_writeback_init(struct cached_dev *dc)
 	bch_keybuf_init(&dc->writeback_keys);
 
 	dc->writeback_metadata		= true;
-	dc->writeback_running		= true;
+	dc->writeback_running		= false;
 	dc->writeback_percent		= 10;
 	dc->writeback_delay		= 30;
 	atomic_long_set(&dc->writeback_rate.rate, 1024);
@@ -810,6 +810,7 @@ int bch_cached_dev_writeback_start(struct cached_dev *dc)
 		destroy_workqueue(dc->writeback_write_wq);
 		return PTR_ERR(dc->writeback_thread);
 	}
+	dc->writeback_running = true;
 
 	WARN_ON(test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags));
 	schedule_delayed_work(&dc->writeback_rate_update,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 051/219] xfs: require both realtime inodes to mount
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (41 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 050/219] bcache: do not mark writeback_running too early Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 052/219] nvme: fix kernel paging oops Sasha Levin
                   ` (166 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Darrick J. Wong, Bill O'Donnell, Sasha Levin, linux-xfs

From: "Darrick J. Wong" <darrick.wong@oracle.com>

[ Upstream commit 64bafd2f1e484e27071e7584642005d56516cb77 ]

Since mkfs always formats the filesystem with the realtime bitmap and
summary inodes immediately after the root directory, we should expect
that both of them are present and loadable, even if there isn't a
realtime volume attached.  There's no reason to skip this if rbmino ==
NULLFSINO; in fact, this causes an immediate crash if the there /is/ a
realtime volume and someone writes to it.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/xfs/xfs_rtalloc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 926ed314ffba1..484eb0adcefb2 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1198,13 +1198,11 @@ xfs_rtmount_inodes(
 	xfs_sb_t	*sbp;
 
 	sbp = &mp->m_sb;
-	if (sbp->sb_rbmino == NULLFSINO)
-		return 0;
 	error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip);
 	if (error)
 		return error;
 	ASSERT(mp->m_rbmip != NULL);
-	ASSERT(sbp->sb_rsumino != NULLFSINO);
+
 	error = xfs_iget(mp, NULL, sbp->sb_rsumino, 0, 0, &mp->m_rsumip);
 	if (error) {
 		xfs_irele(mp->m_rbmip);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 052/219] nvme: fix kernel paging oops
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (42 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 051/219] xfs: require both realtime inodes to mount Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 053/219] ubifs: Fix default compression selection in ubifs Sasha Levin
                   ` (165 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Sagi Grimberg, Jens Axboe, Sasha Levin, linux-nvme

From: Sagi Grimberg <sagi@grimberg.me>

[ Upstream commit 092ff0520070fad8407b196f3bb6156ce77a6f98 ]

free the controller discard_page correctly.

Fixes: cb5b7262b011 ("nvme: provide fallback for discard alloc failure")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ced70d37e0f9b..e9060317c1a7b 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3569,7 +3569,7 @@ static void nvme_free_ctrl(struct device *dev)
 	ida_simple_remove(&nvme_instance_ida, ctrl->instance);
 	kfree(ctrl->effects);
 	nvme_mpath_uninit(ctrl);
-	kfree(ctrl->discard_page);
+	__free_page(ctrl->discard_page);
 
 	if (subsys) {
 		mutex_lock(&subsys->lock);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 053/219] ubifs: Fix default compression selection in ubifs
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (43 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 052/219] nvme: fix kernel paging oops Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 054/219] ubi: Put MTD device after it is not used Sasha Levin
                   ` (164 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gabor Juhos, Hauke Mehrtens, Richard Weinberger, Sasha Levin, linux-mtd

From: Gabor Juhos <juhosg@openwrt.org>

[ Upstream commit d62e98ed1efcaa94caa004f622944afdce5f1c3c ]

When ubifs is build without the LZO compressor and no compressor is
given the creation of the default file system will fail. before
selection the LZO compressor check if it is present and if not fall back
to the zlib or none.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/ubifs/sb.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
index bf17f58908ff9..11dc3977fb64f 100644
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -63,6 +63,17 @@
 /* Default time granularity in nanoseconds */
 #define DEFAULT_TIME_GRAN 1000000000
 
+static int get_default_compressor(struct ubifs_info *c)
+{
+	if (ubifs_compr_present(c, UBIFS_COMPR_LZO))
+		return UBIFS_COMPR_LZO;
+
+	if (ubifs_compr_present(c, UBIFS_COMPR_ZLIB))
+		return UBIFS_COMPR_ZLIB;
+
+	return UBIFS_COMPR_NONE;
+}
+
 /**
  * create_default_filesystem - format empty UBI volume.
  * @c: UBIFS file-system description object
@@ -186,7 +197,7 @@ static int create_default_filesystem(struct ubifs_info *c)
 	if (c->mount_opts.override_compr)
 		sup->default_compr = cpu_to_le16(c->mount_opts.compr_type);
 	else
-		sup->default_compr = cpu_to_le16(UBIFS_COMPR_LZO);
+		sup->default_compr = cpu_to_le16(get_default_compressor(c));
 
 	generate_random_uuid(sup->uuid);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 054/219] ubi: Put MTD device after it is not used
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (44 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 053/219] ubifs: Fix default compression selection in ubifs Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 055/219] ubi: Do not drop UBI device reference before using Sasha Levin
                   ` (163 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Pan Bian, Boris Brezillon, Richard Weinberger, Sasha Levin, linux-mtd

From: Pan Bian <bianpan2016@163.com>

[ Upstream commit b95f83ab762dd6211351b9140f99f43644076ca8 ]

The MTD device reference is dropped via put_mtd_device, however its
field ->index is read and passed to ubi_msg. To fix this, the patch
moves the reference dropping after calling ubi_msg.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/ubi/build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index d2a726654ff11..c120c8761fcd2 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1101,10 +1101,10 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
 	ubi_wl_close(ubi);
 	ubi_free_internal_volumes(ubi);
 	vfree(ubi->vtbl);
-	put_mtd_device(ubi->mtd);
 	vfree(ubi->peb_buf);
 	vfree(ubi->fm_buf);
 	ubi_msg(ubi, "mtd%d is detached", ubi->mtd->index);
+	put_mtd_device(ubi->mtd);
 	put_device(&ubi->dev);
 	return 0;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 055/219] ubi: Do not drop UBI device reference before using
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (45 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 054/219] ubi: Put MTD device after it is not used Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 056/219] microblaze: adjust the help to the real behavior Sasha Levin
                   ` (162 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Pan Bian, Boris Brezillon, Richard Weinberger, Sasha Levin, linux-mtd

From: Pan Bian <bianpan2016@163.com>

[ Upstream commit e542087701f09418702673631a908429feb3eae0 ]

The UBI device reference is dropped but then the device is used as a
parameter of ubi_err. The bug is introduced in changing ubi_err's
behavior. The old ubi_err does not require a UBI device as its first
parameter, but the new one does.

Fixes: 32608703310 ("UBI: Extend UBI layer debug/messaging capabilities")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/ubi/kapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index e9e9ecbcedcc3..0b8f0c46268da 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -227,9 +227,9 @@ struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode)
 out_free:
 	kfree(desc);
 out_put_ubi:
-	ubi_put_device(ubi);
 	ubi_err(ubi, "cannot open device %d, volume %d, error %d",
 		ubi_num, vol_id, err);
+	ubi_put_device(ubi);
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(ubi_open_volume);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 056/219] microblaze: adjust the help to the real behavior
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (46 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 055/219] ubi: Do not drop UBI device reference before using Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 057/219] microblaze: move "... is ready" messages to arch/microblaze/Makefile Sasha Levin
                   ` (161 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Masahiro Yamada, Michal Simek, Sasha Levin

From: Masahiro Yamada <yamada.masahiro@socionext.com>

[ Upstream commit bafcc61d998c1ca18f556d92a0e95335ac68c7da ]

"make ARCH=microblaze help" mentions simpleImage.<dt>.unstrip,
but it is not a real Make target. It does not work because Makefile
assumes "system.unstrip" is the name of DT.

$ make ARCH=microblaze CROSS_COMPILE=microblaze-linux- simpleImage.system.unstrip
  [ snip ]
make[1]: *** No rule to make target 'arch/microblaze/boot/dts/system.unstrip.dtb', needed by 'arch/microblaze/boot/dts/system.dtb'.  Stop.
make: *** [Makefile;1060: arch/microblaze/boot/dts] Error 2
make: *** Waiting for unfinished jobs....

simpleImage.<dt> works like a phony target that generates multiple
images. Reflect the real behavior. I removed the DT directory path
information because it is already explained a few lines below.

While I am here, I deleted the redundant *_defconfig explanation.

The top-level Makefile caters to list available defconfig files:

  mmu_defconfig            - Build for mmu
  nommu_defconfig          - Build for nommu

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/microblaze/Makefile | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 4f3ab57072652..eecf37276521c 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -91,11 +91,11 @@ define archhelp
   echo '* linux.bin    - Create raw binary'
   echo '  linux.bin.gz - Create compressed raw binary'
   echo '  linux.bin.ub - Create U-Boot wrapped raw binary'
-  echo '  simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
-  echo '                   - stripped elf with fdt blob'
-  echo '  simpleImage.<dt>.unstrip - full ELF image with fdt blob'
-  echo '  *_defconfig      - Select default config from arch/microblaze/configs'
-  echo ''
+  echo '  simpleImage.<dt> - Create the following images with <dt>.dtb linked in'
+  echo '                    simpleImage.<dt>        : raw image'
+  echo '                    simpleImage.<dt>.ub     : raw image with U-Boot header'
+  echo '                    simpleImage.<dt>.unstrip: ELF (identical to vmlinux)'
+  echo '                    simpleImage.<dt>.strip  : stripped ELF'
   echo '  Targets with <dt> embed a device tree blob inside the image'
   echo '  These targets support board with firmware that does not'
   echo '  support passing a device tree directly. Replace <dt> with the'
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 057/219] microblaze: move "... is ready" messages to arch/microblaze/Makefile
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (47 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 056/219] microblaze: adjust the help to the real behavior Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 058/219] microblaze: fix multiple bugs in arch/microblaze/boot/Makefile Sasha Levin
                   ` (160 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Masahiro Yamada, Michal Simek, Sasha Levin

From: Masahiro Yamada <yamada.masahiro@socionext.com>

[ Upstream commit 2e14f94cf4bc2f15ca5362e81ca3a987c79e3062 ]

To prepare for more fixes, move this to arch/microblaze/Makefile.
Otherwise, the same "... is ready" would be printed multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/microblaze/Makefile      | 2 ++
 arch/microblaze/boot/Makefile | 4 ----
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index eecf37276521c..b9808ddaf985f 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -83,9 +83,11 @@ archclean:
 
 linux.bin linux.bin.gz linux.bin.ub: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+	@echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
 
 simpleImage.%: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+	@echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
 
 define archhelp
   echo '* linux.bin    - Create raw binary'
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 600e5a198bd2a..96eefdca0d9b3 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -9,15 +9,12 @@ OBJCOPYFLAGS := -R .note -R .comment -R .note.gnu.build-id -O binary
 
 $(obj)/linux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
-	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
 $(obj)/linux.bin.ub: $(obj)/linux.bin FORCE
 	$(call if_changed,uimage)
-	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
 $(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
 	$(call if_changed,gzip)
-	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
 quiet_cmd_cp = CP      $< $@$2
 	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
@@ -35,6 +32,5 @@ $(obj)/simpleImage.%: vmlinux FORCE
 	$(call if_changed,objcopy)
 	$(call if_changed,uimage)
 	$(call if_changed,strip,.strip)
-	@echo 'Kernel: $(UIMAGE_OUT) is ready' ' (#'`cat .version`')'
 
 clean-files += simpleImage.*.unstrip linux.bin.ub
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 058/219] microblaze: fix multiple bugs in arch/microblaze/boot/Makefile
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (48 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 057/219] microblaze: move "... is ready" messages to arch/microblaze/Makefile Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 059/219] iwlwifi: move iwl_nvm_check_version() into dvm Sasha Levin
                   ` (159 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Masahiro Yamada, Michal Simek, Sasha Levin

From: Masahiro Yamada <yamada.masahiro@socionext.com>

[ Upstream commit 4722a3e6b716d9d4594c3cf3856b03bbd24a59a8 ]

This commit fixes some build issues.

The first issue is the breakage of linux.bin.ub target since commit
ece97f3a5fb5 ("microblaze: Fix simpleImage format generation")
because the addition of UIMAGE_{IN,OUT} affected it.

make ARCH=microblaze CROSS_COMPILE=microblaze-linux- linux.bin.ub
  [ snip ]
  OBJCOPY arch/microblaze/boot/linux.bin
  UIMAGE  arch/microblaze/boot/linux.bin.ub.ub
/usr/bin/mkimage: Can't open arch/microblaze/boot/linux.bin.ub: No such file or directory
make[1]: *** [arch/microblaze/boot/Makefile;14: arch/microblaze/boot/linux.bin.ub] Error 1
make: *** [arch/microblaze/Makefile;83: linux.bin.ub] Error 2

The second issue is the use of the "if_changed" multiple times for
the same target.

As commit 92a4728608a8 ("x86/boot: Fix if_changed build flip/flop bug")
pointed out, this never works properly. Moreover, generating multiple
images as a side-effect is confusing.

Let's split the build recipe for each image.

simpleImage.<dt>*.unstrip is just a copy of vmlinux.

simpleImage.<dt> and simpleImage.<dt>.ub are created in the same way
as linux.bin and linux.bin.ub, respectively.

I kept simpleImage.* recipes independent of linux.bin.* ones to not
change the behavior.

Lastly, this commit fixes "make ARCH=microblaze clean". Previously,
it only cleaned up the unstrip image. Now, all the simpleImage files
are cleaned.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/microblaze/Makefile      |  2 +-
 arch/microblaze/boot/Makefile | 19 +++++++++----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index b9808ddaf985f..548bac6c60f8c 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -86,7 +86,7 @@ linux.bin linux.bin.gz linux.bin.ub: vmlinux
 	@echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
 
 simpleImage.%: vmlinux
-	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+	$(Q)$(MAKE) $(build)=$(boot) $(addprefix $(boot)/$@., ub unstrip strip)
 	@echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
 
 define archhelp
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 96eefdca0d9b3..cff570a719461 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -3,7 +3,7 @@
 # arch/microblaze/boot/Makefile
 #
 
-targets := linux.bin linux.bin.gz linux.bin.ub simpleImage.%
+targets := linux.bin linux.bin.gz linux.bin.ub simpleImage.*
 
 OBJCOPYFLAGS := -R .note -R .comment -R .note.gnu.build-id -O binary
 
@@ -16,21 +16,20 @@ $(obj)/linux.bin.ub: $(obj)/linux.bin FORCE
 $(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
 	$(call if_changed,gzip)
 
-quiet_cmd_cp = CP      $< $@$2
-	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
-
 quiet_cmd_strip = STRIP   $< $@$2
 	cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
 				-K _fdt_start $< -o $@$2
 
 UIMAGE_LOADADDR = $(CONFIG_KERNEL_BASE_ADDR)
-UIMAGE_IN = $@
-UIMAGE_OUT = $@.ub
 
-$(obj)/simpleImage.%: vmlinux FORCE
-	$(call if_changed,cp,.unstrip)
+$(obj)/simpleImage.$(DTB): vmlinux FORCE
 	$(call if_changed,objcopy)
+
+$(obj)/simpleImage.$(DTB).ub: $(obj)/simpleImage.$(DTB) FORCE
 	$(call if_changed,uimage)
-	$(call if_changed,strip,.strip)
 
-clean-files += simpleImage.*.unstrip linux.bin.ub
+$(obj)/simpleImage.$(DTB).unstrip: vmlinux FORCE
+	$(call if_changed,shipped)
+
+$(obj)/simpleImage.$(DTB).strip: vmlinux FORCE
+	$(call if_changed,strip)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 059/219] iwlwifi: move iwl_nvm_check_version() into dvm
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (49 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 058/219] microblaze: fix multiple bugs in arch/microblaze/boot/Makefile Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 060/219] iwlwifi: mvm: force TCM re-evaluation on TCM resume Sasha Levin
                   ` (158 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Luca Coelho, Sasha Levin, linux-wireless, netdev

From: Luca Coelho <luciano.coelho@intel.com>

[ Upstream commit 64866e5da1eabd0c52ff45029b245f5465920031 ]

This function is only half-used by mvm (i.e. only the nvm_version part
matters, since the calibration version is irrelevant), so it's
pointless to export it from iwlwifi.  If mvm uses this function, it
has the additional complexity of setting the calib version to a bogus
value on all cfg structs.

To avoid this, move the function to dvm and make a simple comparison
of the nvm_version in mvm instead.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/dvm/main.c | 17 +++++++++++++++++
 .../wireless/intel/iwlwifi/iwl-eeprom-parse.c | 19 -------------------
 .../wireless/intel/iwlwifi/iwl-eeprom-parse.h |  5 ++---
 drivers/net/wireless/intel/iwlwifi/mvm/fw.c   |  4 +++-
 4 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
index 030482b357a3c..06dd4e81b7374 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
@@ -1227,6 +1227,23 @@ static int iwl_eeprom_init_hw_params(struct iwl_priv *priv)
 	return 0;
 }
 
+static int iwl_nvm_check_version(struct iwl_nvm_data *data,
+				 struct iwl_trans *trans)
+{
+	if (data->nvm_version >= trans->cfg->nvm_ver ||
+	    data->calib_version >= trans->cfg->nvm_calib_ver) {
+		IWL_DEBUG_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n",
+			       data->nvm_version, data->calib_version);
+		return 0;
+	}
+
+	IWL_ERR(trans,
+		"Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
+		data->nvm_version, trans->cfg->nvm_ver,
+		data->calib_version,  trans->cfg->nvm_calib_ver);
+	return -EINVAL;
+}
+
 static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 						 const struct iwl_cfg *cfg,
 						 const struct iwl_fw *fw,
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c
index a4c96215933ba..a59bab8345f4e 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c
@@ -928,22 +928,3 @@ iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 	return NULL;
 }
 IWL_EXPORT_SYMBOL(iwl_parse_eeprom_data);
-
-/* helper functions */
-int iwl_nvm_check_version(struct iwl_nvm_data *data,
-			     struct iwl_trans *trans)
-{
-	if (data->nvm_version >= trans->cfg->nvm_ver ||
-	    data->calib_version >= trans->cfg->nvm_calib_ver) {
-		IWL_DEBUG_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n",
-			       data->nvm_version, data->calib_version);
-		return 0;
-	}
-
-	IWL_ERR(trans,
-		"Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
-		data->nvm_version, trans->cfg->nvm_ver,
-		data->calib_version,  trans->cfg->nvm_calib_ver);
-	return -EINVAL;
-}
-IWL_EXPORT_SYMBOL(iwl_nvm_check_version);
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
index 8be50ed12300f..c59dd47cf15d3 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
@@ -7,6 +7,7 @@
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2015 Intel Mobile Communications GmbH
+ * Copyright (C) 2018 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -33,6 +34,7 @@
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2015 Intel Mobile Communications GmbH
+ * Copyright (C) 2018 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -122,9 +124,6 @@ struct iwl_nvm_data *
 iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 		      const u8 *eeprom, size_t eeprom_size);
 
-int iwl_nvm_check_version(struct iwl_nvm_data *data,
-			  struct iwl_trans *trans);
-
 int iwl_init_sband_channels(struct iwl_nvm_data *data,
 			    struct ieee80211_supported_band *sband,
 			    int n_channels, enum nl80211_band band);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 2eba6d6f367f8..9808d954dca29 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -547,7 +547,9 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 	if (mvm->nvm_file_name)
 		iwl_mvm_load_nvm_to_nic(mvm);
 
-	WARN_ON(iwl_nvm_check_version(mvm->nvm_data, mvm->trans));
+	WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
+		  "Too old NVM version (0x%0x, required = 0x%0x)",
+		  mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
 
 	/*
 	 * abort after reading the nvm in case RF Kill is on, we will complete
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 060/219] iwlwifi: mvm: force TCM re-evaluation on TCM resume
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (50 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 059/219] iwlwifi: move iwl_nvm_check_version() into dvm Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 061/219] iwlwifi: pcie: fix erroneous print Sasha Levin
                   ` (157 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Avraham Stern, Luca Coelho, Sasha Levin, linux-wireless, netdev

From: Avraham Stern <avraham.stern@intel.com>

[ Upstream commit 7bc2468277033e05401d5f8fd48a772f407338c2 ]

When traffic load is not low or low latency is active, TCM schedules
re-evaluation work so in case traffic stops TCM will detect that
traffic load has become low or that low latency is no longer active.
However, if TCM is paused when the re-evaluation work runs, it does
not re-evaluate and the re-evaluation work is no longer scheduled.
As a result, TCM will not indicate that low latency is no longer
active or that traffic load is low when traffic stops.

Fix this by forcing TCM re-evaluation when TCM is resumed in case
low latency is active or traffic load is not low.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 6a5349401aa99..00712205c05f2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -1804,6 +1804,7 @@ void iwl_mvm_pause_tcm(struct iwl_mvm *mvm, bool with_cancel)
 void iwl_mvm_resume_tcm(struct iwl_mvm *mvm)
 {
 	int mac;
+	bool low_latency = false;
 
 	spin_lock_bh(&mvm->tcm.lock);
 	mvm->tcm.ts = jiffies;
@@ -1815,10 +1816,23 @@ void iwl_mvm_resume_tcm(struct iwl_mvm *mvm)
 		memset(&mdata->tx.pkts, 0, sizeof(mdata->tx.pkts));
 		memset(&mdata->rx.airtime, 0, sizeof(mdata->rx.airtime));
 		memset(&mdata->tx.airtime, 0, sizeof(mdata->tx.airtime));
+
+		if (mvm->tcm.result.low_latency[mac])
+			low_latency = true;
 	}
 	/* The TCM data needs to be reset before "paused" flag changes */
 	smp_mb();
 	mvm->tcm.paused = false;
+
+	/*
+	 * if the current load is not low or low latency is active, force
+	 * re-evaluation to cover the case of no traffic.
+	 */
+	if (mvm->tcm.result.global_load > IWL_MVM_TRAFFIC_LOW)
+		schedule_delayed_work(&mvm->tcm.work, MVM_TCM_PERIOD);
+	else if (low_latency)
+		schedule_delayed_work(&mvm->tcm.work, MVM_LL_PERIOD);
+
 	spin_unlock_bh(&mvm->tcm.lock);
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 061/219] iwlwifi: pcie: fix erroneous print
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (51 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 060/219] iwlwifi: mvm: force TCM re-evaluation on TCM resume Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 062/219] iwlwifi: pcie: set cmd_len in the correct place Sasha Levin
                   ` (156 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sara Sharon, Luca Coelho, Sasha Levin, linux-wireless, netdev

From: Sara Sharon <sara.sharon@intel.com>

[ Upstream commit 0916224eaa77bff0fbbc747961d550ff8db45457 ]

When removing the driver, the following flow can happen:
1. host command is in progress, for example at index 68.
2. RX interrupt is received with the response.
3. Before it is processed, the remove flow kicks in, and
   calls iwl_pcie_txq_unmap. The function cleans all DMA,
   and promotes the read pointer to 69.
4. RX thread proceeds with the processing, and is calling
   iwl_pcie_cmdq_reclaim, which will print this error:
   iwl_pcie_cmdq_reclaim: Read index for DMA queue txq id (0),
   index 4 is out of range [0-256] 69 69.

Detect this situation, and avoid the print. Change it to
warning while at it, to make such issues more noticeable
in the future.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 42fdb7970cfdc..7cba4c37c66fd 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -1247,11 +1247,11 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
 
 	if (idx >= trans->cfg->base_params->max_tfd_queue_size ||
 	    (!iwl_queue_used(txq, idx))) {
-		IWL_ERR(trans,
-			"%s: Read index for DMA queue txq id (%d), index %d is out of range [0-%d] %d %d.\n",
-			__func__, txq_id, idx,
-			trans->cfg->base_params->max_tfd_queue_size,
-			txq->write_ptr, txq->read_ptr);
+		WARN_ONCE(test_bit(txq_id, trans_pcie->queue_used),
+			  "%s: Read index for DMA queue txq id (%d), index %d is out of range [0-%d] %d %d.\n",
+			  __func__, txq_id, idx,
+			  trans->cfg->base_params->max_tfd_queue_size,
+			  txq->write_ptr, txq->read_ptr);
 		return;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 062/219] iwlwifi: pcie: set cmd_len in the correct place
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (52 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 061/219] iwlwifi: pcie: fix erroneous print Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 063/219] gpio: pca953x: Fix AI overflow on PCAL6524 Sasha Levin
                   ` (155 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sara Sharon, Luca Coelho, Sasha Levin, linux-wireless, netdev

From: Sara Sharon <sara.sharon@intel.com>

[ Upstream commit 956343a61226e1af3d146386f70a059feb567d0c ]

command len is set too early in the code, since when building
AMSDU, the size changes. This causes the byte count table to
have the wrong size.

Fixes: a0ec0169b7a9 ("iwlwifi: support new tx api")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index b99f33ff91230..a9e42f0437ccb 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -555,18 +555,6 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
 
 	spin_lock(&txq->lock);
 
-	if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
-		struct iwl_tx_cmd_gen3 *tx_cmd_gen3 =
-			(void *)dev_cmd->payload;
-
-		cmd_len = le16_to_cpu(tx_cmd_gen3->len);
-	} else {
-		struct iwl_tx_cmd_gen2 *tx_cmd_gen2 =
-			(void *)dev_cmd->payload;
-
-		cmd_len = le16_to_cpu(tx_cmd_gen2->len);
-	}
-
 	if (iwl_queue_space(trans, txq) < txq->high_mark) {
 		iwl_stop_queue(trans, txq);
 
@@ -604,6 +592,18 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
 		return -1;
 	}
 
+	if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
+		struct iwl_tx_cmd_gen3 *tx_cmd_gen3 =
+			(void *)dev_cmd->payload;
+
+		cmd_len = le16_to_cpu(tx_cmd_gen3->len);
+	} else {
+		struct iwl_tx_cmd_gen2 *tx_cmd_gen2 =
+			(void *)dev_cmd->payload;
+
+		cmd_len = le16_to_cpu(tx_cmd_gen2->len);
+	}
+
 	/* Set up entry for this TFD in Tx byte-count array */
 	iwl_pcie_gen2_update_byte_tbl(trans_pcie, txq, cmd_len,
 				      iwl_pcie_gen2_get_num_tbs(trans, tfd));
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 063/219] gpio: pca953x: Fix AI overflow on PCAL6524
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (53 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 062/219] iwlwifi: pcie: set cmd_len in the correct place Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 064/219] gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB Sasha Levin
                   ` (154 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Marek Vasut, Marek Vasut, Bartosz Golaszewski, Linus Walleij,
	Sasha Levin, linux-gpio

From: Marek Vasut <marek.vasut@gmail.com>

[ Upstream commit 92f45ebe68181c2d7f76633ffae55bc9447d62cd ]

The PCAL_PINCTRL_MASK is too large. The extended register block on
PCAL6524, which is the largest chip with this block, has the block
limited to address range 0x40..0x7f. This is because the bit 7 in
the command register is used for the Address Increment functionality.

Trim the mask to 0x60 to match the datasheet and to prevent accidental
overwrite of the AI bit.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-pca953x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index e0657fc72d31f..0232c25a15864 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -58,7 +58,7 @@
 #define PCA_GPIO_MASK		0x00FF
 
 #define PCAL_GPIO_MASK		0x1f
-#define PCAL_PINCTRL_MASK	0xe0
+#define PCAL_PINCTRL_MASK	0x60
 
 #define PCA_INT			0x0100
 #define PCA_PCAL		0x0200
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 064/219] gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (54 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 063/219] gpio: pca953x: Fix AI overflow on PCAL6524 Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 065/219] kvm: vmx: Set IA32_TSC_AUX for legacy mode guests Sasha Levin
                   ` (153 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Krzysztof Kozlowski, Linus Walleij, Sasha Levin, linux-gpio

From: Krzysztof Kozlowski <krzk@kernel.org>

[ Upstream commit c5510b8dafce5f3f5a039c9b262ebcae0092c462 ]

If CONFIG_GPOILIB is not set, the stub of gpio_to_desc() should return
the same type of error as regular version: NULL.  All the callers
compare the return value of gpio_to_desc() against NULL, so returned
ERR_PTR would be treated as non-error case leading to dereferencing of
error value.

Fixes: 79a9becda894 ("gpiolib: export descriptor-based GPIO interface")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/gpio/consumer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 412098b24f58b..8dfd8300d9c31 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -475,7 +475,7 @@ static inline int gpiod_set_consumer_name(struct gpio_desc *desc,
 
 static inline struct gpio_desc *gpio_to_desc(unsigned gpio)
 {
-	return ERR_PTR(-EINVAL);
+	return NULL;
 }
 
 static inline int desc_to_gpio(const struct gpio_desc *desc)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 065/219] kvm: vmx: Set IA32_TSC_AUX for legacy mode guests
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (55 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 064/219] gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 066/219] crypto/chelsio/chtls: listen fails with multiadapt Sasha Levin
                   ` (152 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jim Mattson, Peter Shier, Marc Orr, Liran Alon,
	Sean Christopherson, Paolo Bonzini, Sasha Levin, kvm

From: Jim Mattson <jmattson@google.com>

[ Upstream commit 0023ef39dc35c773c436eaa46ca539a26b308b55 ]

RDTSCP is supported in legacy mode as well as long mode. The
IA32_TSC_AUX MSR should be set to the correct guest value before
entering any guest that supports RDTSCP.

Fixes: 4e47c7a6d714 ("KVM: VMX: Add instruction rdtscp support for guest")
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Reviewed-by: Marc Orr <marcorr@google.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kvm/vmx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4eda2a9c234a6..b892f345f6317 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3404,9 +3404,6 @@ static void setup_msrs(struct vcpu_vmx *vmx)
 		index = __find_msr_index(vmx, MSR_CSTAR);
 		if (index >= 0)
 			move_msr_up(vmx, index, save_nmsrs++);
-		index = __find_msr_index(vmx, MSR_TSC_AUX);
-		if (index >= 0 && guest_cpuid_has(&vmx->vcpu, X86_FEATURE_RDTSCP))
-			move_msr_up(vmx, index, save_nmsrs++);
 		/*
 		 * MSR_STAR is only needed on long mode guests, and only
 		 * if efer.sce is enabled.
@@ -3419,6 +3416,9 @@ static void setup_msrs(struct vcpu_vmx *vmx)
 	index = __find_msr_index(vmx, MSR_EFER);
 	if (index >= 0 && update_transition_efer(vmx, index))
 		move_msr_up(vmx, index, save_nmsrs++);
+	index = __find_msr_index(vmx, MSR_TSC_AUX);
+	if (index >= 0 && guest_cpuid_has(&vmx->vcpu, X86_FEATURE_RDTSCP))
+		move_msr_up(vmx, index, save_nmsrs++);
 
 	vmx->save_nmsrs = save_nmsrs;
 	vmx->guest_msrs_dirty = true;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 066/219] crypto/chelsio/chtls: listen fails with multiadapt
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (56 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 065/219] kvm: vmx: Set IA32_TSC_AUX for legacy mode guests Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 067/219] VSOCK: bind to random port for VMADDR_PORT_ANY Sasha Levin
                   ` (151 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Atul Gupta, David S . Miller, Sasha Levin, linux-crypto

From: Atul Gupta <atul.gupta@chelsio.com>

[ Upstream commit 6422ccc5fbefbd219f3fab133f698e58f5aa44eb ]

listen fails when more than one tls capable device is
registered. tls_hw_hash is called for each dev which loops
again for each cdev_list causing listen failure. Hence
call chtls_listen_start/stop for specific device than loop over all
devices.

Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/crypto/chelsio/chtls/chtls.h      |  5 +++
 drivers/crypto/chelsio/chtls/chtls_main.c | 50 ++++++++++++++---------
 2 files changed, 36 insertions(+), 19 deletions(-)

diff --git a/drivers/crypto/chelsio/chtls/chtls.h b/drivers/crypto/chelsio/chtls/chtls.h
index 7725b6ee14efb..fcb6747ed29ea 100644
--- a/drivers/crypto/chelsio/chtls/chtls.h
+++ b/drivers/crypto/chelsio/chtls/chtls.h
@@ -153,6 +153,11 @@ struct chtls_dev {
 	unsigned int cdev_state;
 };
 
+struct chtls_listen {
+	struct chtls_dev *cdev;
+	struct sock *sk;
+};
+
 struct chtls_hws {
 	struct sk_buff_head sk_recv_queue;
 	u8 txqid;
diff --git a/drivers/crypto/chelsio/chtls/chtls_main.c b/drivers/crypto/chelsio/chtls/chtls_main.c
index f59b044ebd255..2bf084afe9b58 100644
--- a/drivers/crypto/chelsio/chtls/chtls_main.c
+++ b/drivers/crypto/chelsio/chtls/chtls_main.c
@@ -55,24 +55,19 @@ static void unregister_listen_notifier(struct notifier_block *nb)
 static int listen_notify_handler(struct notifier_block *this,
 				 unsigned long event, void *data)
 {
-	struct chtls_dev *cdev;
-	struct sock *sk;
-	int ret;
+	struct chtls_listen *clisten;
+	int ret = NOTIFY_DONE;
 
-	sk = data;
-	ret =  NOTIFY_DONE;
+	clisten = (struct chtls_listen *)data;
 
 	switch (event) {
 	case CHTLS_LISTEN_START:
+		ret = chtls_listen_start(clisten->cdev, clisten->sk);
+		kfree(clisten);
+		break;
 	case CHTLS_LISTEN_STOP:
-		mutex_lock(&cdev_list_lock);
-		list_for_each_entry(cdev, &cdev_list, list) {
-			if (event == CHTLS_LISTEN_START)
-				ret = chtls_listen_start(cdev, sk);
-			else
-				chtls_listen_stop(cdev, sk);
-		}
-		mutex_unlock(&cdev_list_lock);
+		chtls_listen_stop(clisten->cdev, clisten->sk);
+		kfree(clisten);
 		break;
 	}
 	return ret;
@@ -90,8 +85,9 @@ static int listen_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 	return 0;
 }
 
-static int chtls_start_listen(struct sock *sk)
+static int chtls_start_listen(struct chtls_dev *cdev, struct sock *sk)
 {
+	struct chtls_listen *clisten;
 	int err;
 
 	if (sk->sk_protocol != IPPROTO_TCP)
@@ -102,21 +98,33 @@ static int chtls_start_listen(struct sock *sk)
 		return -EADDRNOTAVAIL;
 
 	sk->sk_backlog_rcv = listen_backlog_rcv;
+	clisten = kmalloc(sizeof(*clisten), GFP_KERNEL);
+	if (!clisten)
+		return -ENOMEM;
+	clisten->cdev = cdev;
+	clisten->sk = sk;
 	mutex_lock(&notify_mutex);
 	err = raw_notifier_call_chain(&listen_notify_list,
-				      CHTLS_LISTEN_START, sk);
+				      CHTLS_LISTEN_START, clisten);
 	mutex_unlock(&notify_mutex);
 	return err;
 }
 
-static void chtls_stop_listen(struct sock *sk)
+static void chtls_stop_listen(struct chtls_dev *cdev, struct sock *sk)
 {
+	struct chtls_listen *clisten;
+
 	if (sk->sk_protocol != IPPROTO_TCP)
 		return;
 
+	clisten = kmalloc(sizeof(*clisten), GFP_KERNEL);
+	if (!clisten)
+		return;
+	clisten->cdev = cdev;
+	clisten->sk = sk;
 	mutex_lock(&notify_mutex);
 	raw_notifier_call_chain(&listen_notify_list,
-				CHTLS_LISTEN_STOP, sk);
+				CHTLS_LISTEN_STOP, clisten);
 	mutex_unlock(&notify_mutex);
 }
 
@@ -138,15 +146,19 @@ static int chtls_inline_feature(struct tls_device *dev)
 
 static int chtls_create_hash(struct tls_device *dev, struct sock *sk)
 {
+	struct chtls_dev *cdev = to_chtls_dev(dev);
+
 	if (sk->sk_state == TCP_LISTEN)
-		return chtls_start_listen(sk);
+		return chtls_start_listen(cdev, sk);
 	return 0;
 }
 
 static void chtls_destroy_hash(struct tls_device *dev, struct sock *sk)
 {
+	struct chtls_dev *cdev = to_chtls_dev(dev);
+
 	if (sk->sk_state == TCP_LISTEN)
-		chtls_stop_listen(sk);
+		chtls_stop_listen(cdev, sk);
 }
 
 static void chtls_register_dev(struct chtls_dev *cdev)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 067/219] VSOCK: bind to random port for VMADDR_PORT_ANY
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (57 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 066/219] crypto/chelsio/chtls: listen fails with multiadapt Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 068/219] mmc: meson-gx: make sure the descriptor is stopped on errors Sasha Levin
                   ` (150 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lepton Wu, Jorgen Hansen, David S . Miller, Sasha Levin, netdev

From: Lepton Wu <ytht.net@gmail.com>

[ Upstream commit 8236b08cf50f85bbfaf48910a0b3ee68318b7c4b ]

The old code always starts from fixed port for VMADDR_PORT_ANY. Sometimes
when VMM crashed, there is still orphaned vsock which is waiting for
close timer, then it could cause connection time out for new started VM
if they are trying to connect to same port with same guest cid since the
new packets could hit that orphaned vsock. We could also fix this by doing
more in vhost_vsock_reset_orphans, but any way, it should be better to start
from a random local port instead of a fixed one.

Signed-off-by: Lepton Wu <ytht.net@gmail.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/vmw_vsock/af_vsock.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index b2724fb06bbbb..62ec9182f234d 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -107,6 +107,7 @@
 #include <linux/mutex.h>
 #include <linux/net.h>
 #include <linux/poll.h>
+#include <linux/random.h>
 #include <linux/skbuff.h>
 #include <linux/smp.h>
 #include <linux/socket.h>
@@ -480,9 +481,13 @@ static void vsock_pending_work(struct work_struct *work)
 static int __vsock_bind_stream(struct vsock_sock *vsk,
 			       struct sockaddr_vm *addr)
 {
-	static u32 port = LAST_RESERVED_PORT + 1;
+	static u32 port = 0;
 	struct sockaddr_vm new_addr;
 
+	if (!port)
+		port = LAST_RESERVED_PORT + 1 +
+			prandom_u32_max(U32_MAX - LAST_RESERVED_PORT);
+
 	vsock_addr_init(&new_addr, addr->svm_cid, addr->svm_port);
 
 	if (addr->svm_port == VMADDR_PORT_ANY) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 068/219] mmc: meson-gx: make sure the descriptor is stopped on errors
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (58 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 067/219] VSOCK: bind to random port for VMADDR_PORT_ANY Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 069/219] mtd: rawnand: sunxi: Write pageprog related opcodes to WCMD_SET Sasha Levin
                   ` (149 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jerome Brunet, Ulf Hansson, Sasha Levin, linux-mmc,
	linux-arm-kernel, linux-amlogic

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 18f92bc02f1739b5c4d5b70009fbb7eada45bca3 ]

On errors, if we don't stop the descriptor chain, it may continue to
run and raise IRQ after we have called mmc_request_done(). This is bad
because we won't be able to get cmd anymore and properly deal with the
IRQ.

This patch makes sure the descriptor chain is stopped before
calling mmc_request_done()

Fixes: 79ed05e329c3 ("mmc: meson-gx: add support for descriptor chain mode")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mmc/host/meson-gx-mmc.c | 73 ++++++++++++++++++++++++++++-----
 1 file changed, 63 insertions(+), 10 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index ddd98cdd33bcd..72f34a58928ca 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
@@ -90,9 +91,11 @@
 #define   CFG_CLK_ALWAYS_ON BIT(18)
 #define   CFG_CHK_DS BIT(20)
 #define   CFG_AUTO_CLK BIT(23)
+#define   CFG_ERR_ABORT BIT(27)
 
 #define SD_EMMC_STATUS 0x48
 #define   STATUS_BUSY BIT(31)
+#define   STATUS_DESC_BUSY BIT(30)
 #define   STATUS_DATI GENMASK(23, 16)
 
 #define SD_EMMC_IRQ_EN 0x4c
@@ -930,6 +933,7 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd)
 
 	cmd_cfg |= FIELD_PREP(CMD_CFG_CMD_INDEX_MASK, cmd->opcode);
 	cmd_cfg |= CMD_CFG_OWNER;  /* owned by CPU */
+	cmd_cfg |= CMD_CFG_ERROR; /* stop in case of error */
 
 	meson_mmc_set_response_bits(cmd, &cmd_cfg);
 
@@ -1024,6 +1028,17 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 	u32 irq_en, status, raw_status;
 	irqreturn_t ret = IRQ_NONE;
 
+	irq_en = readl(host->regs + SD_EMMC_IRQ_EN);
+	raw_status = readl(host->regs + SD_EMMC_STATUS);
+	status = raw_status & irq_en;
+
+	if (!status) {
+		dev_dbg(host->dev,
+			"Unexpected IRQ! irq_en 0x%08x - status 0x%08x\n",
+			 irq_en, raw_status);
+		return IRQ_NONE;
+	}
+
 	if (WARN_ON(!host) || WARN_ON(!host->cmd))
 		return IRQ_NONE;
 
@@ -1031,22 +1046,18 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 
 	cmd = host->cmd;
 	data = cmd->data;
-	irq_en = readl(host->regs + SD_EMMC_IRQ_EN);
-	raw_status = readl(host->regs + SD_EMMC_STATUS);
-	status = raw_status & irq_en;
-
 	cmd->error = 0;
 	if (status & IRQ_CRC_ERR) {
 		dev_dbg(host->dev, "CRC Error - status 0x%08x\n", status);
 		cmd->error = -EILSEQ;
-		ret = IRQ_HANDLED;
+		ret = IRQ_WAKE_THREAD;
 		goto out;
 	}
 
 	if (status & IRQ_TIMEOUTS) {
 		dev_dbg(host->dev, "Timeout - status 0x%08x\n", status);
 		cmd->error = -ETIMEDOUT;
-		ret = IRQ_HANDLED;
+		ret = IRQ_WAKE_THREAD;
 		goto out;
 	}
 
@@ -1071,17 +1082,49 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 	/* ack all enabled interrupts */
 	writel(irq_en, host->regs + SD_EMMC_STATUS);
 
+	if (cmd->error) {
+		/* Stop desc in case of errors */
+		u32 start = readl(host->regs + SD_EMMC_START);
+
+		start &= ~START_DESC_BUSY;
+		writel(start, host->regs + SD_EMMC_START);
+	}
+
 	if (ret == IRQ_HANDLED)
 		meson_mmc_request_done(host->mmc, cmd->mrq);
-	else if (ret == IRQ_NONE)
-		dev_warn(host->dev,
-			 "Unexpected IRQ! status=0x%08x, irq_en=0x%08x\n",
-			 raw_status, irq_en);
 
 	spin_unlock(&host->lock);
 	return ret;
 }
 
+static int meson_mmc_wait_desc_stop(struct meson_host *host)
+{
+	int loop;
+	u32 status;
+
+	/*
+	 * It may sometimes take a while for it to actually halt. Here, we
+	 * are giving it 5ms to comply
+	 *
+	 * If we don't confirm the descriptor is stopped, it might raise new
+	 * IRQs after we have called mmc_request_done() which is bad.
+	 */
+	for (loop = 50; loop; loop--) {
+		status = readl(host->regs + SD_EMMC_STATUS);
+		if (status & (STATUS_BUSY | STATUS_DESC_BUSY))
+			udelay(100);
+		else
+			break;
+	}
+
+	if (status & (STATUS_BUSY | STATUS_DESC_BUSY)) {
+		dev_err(host->dev, "Timed out waiting for host to stop\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
 static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 {
 	struct meson_host *host = dev_id;
@@ -1092,6 +1135,13 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 	if (WARN_ON(!cmd))
 		return IRQ_NONE;
 
+	if (cmd->error) {
+		meson_mmc_wait_desc_stop(host);
+		meson_mmc_request_done(host->mmc, cmd->mrq);
+
+		return IRQ_HANDLED;
+	}
+
 	data = cmd->data;
 	if (meson_mmc_bounce_buf_read(data)) {
 		xfer_bytes = data->blksz * data->blocks;
@@ -1132,6 +1182,9 @@ static void meson_mmc_cfg_init(struct meson_host *host)
 	cfg |= FIELD_PREP(CFG_RC_CC_MASK, ilog2(SD_EMMC_CFG_CMD_GAP));
 	cfg |= FIELD_PREP(CFG_BLK_LEN_MASK, ilog2(SD_EMMC_CFG_BLK_SIZE));
 
+	/* abort chain on R/W errors */
+	cfg |= CFG_ERR_ABORT;
+
 	writel(cfg, host->regs + SD_EMMC_CFG);
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 069/219] mtd: rawnand: sunxi: Write pageprog related opcodes to WCMD_SET
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (59 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 068/219] mmc: meson-gx: make sure the descriptor is stopped on errors Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 070/219] usb: ehci-omap: Fix deferred probe for phy handling Sasha Levin
                   ` (148 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Boris Brezillon, Miquel Raynal, Sasha Levin, linux-mtd, linux-arm-kernel

From: Boris Brezillon <boris.brezillon@bootlin.com>

[ Upstream commit 732774437ae01d9882e60314e303898e63c7f038 ]

The opcodes used by the controller when doing batched page prog should
be written in NFC_REG_WCMD_SET not FC_REG_RCMD_SET. Luckily, the
default NFC_REG_WCMD_SET value matches the one we set in the driver
which explains why we didn't notice the problem.

Fixes: 614049a8d904 ("mtd: nand: sunxi: add support for DMA assisted operations")
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/nand/raw/sunxi_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 1f0b7ee38df56..5b5f4d25a3e12 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1397,7 +1397,7 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct mtd_info *mtd,
 	sunxi_nfc_randomizer_enable(mtd);
 
 	writel((NAND_CMD_RNDIN << 8) | NAND_CMD_PAGEPROG,
-	       nfc->regs + NFC_REG_RCMD_SET);
+	       nfc->regs + NFC_REG_WCMD_SET);
 
 	dma_async_issue_pending(nfc->dmac);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 070/219] usb: ehci-omap: Fix deferred probe for phy handling
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (60 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 069/219] mtd: rawnand: sunxi: Write pageprog related opcodes to WCMD_SET Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 071/219] btrfs: Check for missing device before bio submission in btrfs_map_bio Sasha Levin
                   ` (147 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Roger Quadros, Johan Hovold, Ladislav Michl, Peter Ujfalusi,
	Tony Lindgren, Alan Stern, Greg Kroah-Hartman, Sasha Levin,
	linux-usb, linux-omap

From: Roger Quadros <rogerq@ti.com>

[ Upstream commit 8dc7623bf608495b6e6743e805807c7840673573 ]

PHY model is being used on omap5 platforms even if port mode
is not OMAP_EHCI_PORT_MODE_PHY. So don't guess if PHY is required
or not based on PHY mode.

If PHY is provided in device tree, it must be required. So, if
devm_usb_get_phy_by_phandle() gives us an error code other
than -ENODEV (no PHY) then error out.

This fixes USB Ethernet on omap5-uevm if PHY happens to
probe after EHCI thus causing a -EPROBE_DEFER.

Cc: Johan Hovold <johan@kernel.org>
Cc: Ladislav Michl <ladis@linux-mips.org>
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/host/ehci-omap.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 7e4c13346a1ee..7d20296cbe9f9 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -159,11 +159,12 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 		/* get the PHY device */
 		phy = devm_usb_get_phy_by_phandle(dev, "phys", i);
 		if (IS_ERR(phy)) {
-			/* Don't bail out if PHY is not absolutely necessary */
-			if (pdata->port_mode[i] != OMAP_EHCI_PORT_MODE_PHY)
+			ret = PTR_ERR(phy);
+			if (ret == -ENODEV) { /* no PHY */
+				phy = NULL;
 				continue;
+			}
 
-			ret = PTR_ERR(phy);
 			if (ret != -EPROBE_DEFER)
 				dev_err(dev, "Can't get PHY for port %d: %d\n",
 					i, ret);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 071/219] btrfs: Check for missing device before bio submission in btrfs_map_bio
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (61 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 070/219] usb: ehci-omap: Fix deferred probe for phy handling Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22 11:33   ` David Sterba
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 072/219] btrfs: fix ncopies raid_attr for RAID56 Sasha Levin
                   ` (146 subsequent siblings)
  209 siblings, 1 reply; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nikolay Borisov, Josef Bacik, Anand Jain, David Sterba,
	Sasha Levin, linux-btrfs

From: Nikolay Borisov <nborisov@suse.com>

[ Upstream commit fc8a168aa9ab1680c2bd52bf9db7c994e0f2524f ]

Before btrfs_map_bio submits all stripe bios it does a number of checks
to ensure the device for every stripe is present. However, it doesn't do
a DEV_STATE_MISSING check, instead this is relegated to the lower level
btrfs_schedule_bio (in the async submission case, sync submission
doesn't check DEV_STATE_MISSING at all). Additionally
btrfs_schedule_bios does the duplicate device->bdev check which has
already been performed in btrfs_map_bio.

This patch moves the DEV_STATE_MISSING check in btrfs_map_bio and
removes the duplicate device->bdev check. Doing so ensures that no bio
cloning/submission happens for both async/sync requests in the face of
missing device. This makes the async io submission path slightly shorter
in terms of instruction count. No functional changes.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/volumes.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a8297e7489d98..f84c18e86c816 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6106,12 +6106,6 @@ static noinline void btrfs_schedule_bio(struct btrfs_device *device,
 	int should_queue = 1;
 	struct btrfs_pending_bios *pending_bios;
 
-	if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state) ||
-	    !device->bdev) {
-		bio_io_error(bio);
-		return;
-	}
-
 	/* don't bother with additional async steps for reads, right now */
 	if (bio_op(bio) == REQ_OP_READ) {
 		btrfsic_submit_bio(bio);
@@ -6240,7 +6234,8 @@ blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
 
 	for (dev_nr = 0; dev_nr < total_devs; dev_nr++) {
 		dev = bbio->stripes[dev_nr].dev;
-		if (!dev || !dev->bdev ||
+		if (!dev || !dev->bdev || test_bit(BTRFS_DEV_STATE_MISSING,
+						   &dev->dev_state) ||
 		    (bio_op(first_bio) == REQ_OP_WRITE &&
 		    !test_bit(BTRFS_DEV_STATE_WRITEABLE, &dev->dev_state))) {
 			bbio_error(bbio, first_bio, logical);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 072/219] btrfs: fix ncopies raid_attr for RAID56
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (62 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 071/219] btrfs: Check for missing device before bio submission in btrfs_map_bio Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 073/219] btrfs: dev-replace: set result code of cancel by status of scrub Sasha Levin
                   ` (145 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hans van Kranenburg, Nikolay Borisov, David Sterba, Sasha Levin,
	linux-btrfs

From: Hans van Kranenburg <hans.van.kranenburg@mendix.com>

[ Upstream commit da612e31aee51bd13231c78a47c714b543bd3ad8 ]

RAID5 and RAID6 profile store one copy of the data, not 2 or 3. These
values are not yet used anywhere so there's no change.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/volumes.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f84c18e86c816..5bbcdcff68a9e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -96,7 +96,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
 		.devs_min	= 2,
 		.tolerated_failures = 1,
 		.devs_increment	= 1,
-		.ncopies	= 2,
+		.ncopies	= 1,
 		.raid_name	= "raid5",
 		.bg_flag	= BTRFS_BLOCK_GROUP_RAID5,
 		.mindev_error	= BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
@@ -108,7 +108,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
 		.devs_min	= 3,
 		.tolerated_failures = 2,
 		.devs_increment	= 1,
-		.ncopies	= 3,
+		.ncopies	= 1,
 		.raid_name	= "raid6",
 		.bg_flag	= BTRFS_BLOCK_GROUP_RAID6,
 		.mindev_error	= BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 073/219] btrfs: dev-replace: set result code of cancel by status of scrub
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (63 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 072/219] btrfs: fix ncopies raid_attr for RAID56 Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 074/219] Btrfs: allow clear_extent_dirty() to receive a cached extent state record Sasha Levin
                   ` (144 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Anand Jain, David Sterba, Sasha Levin, linux-btrfs

From: Anand Jain <anand.jain@oracle.com>

[ Upstream commit b47dda2ef6d793b67fd5979032dcd106e3f0a5c9 ]

The device-replace needs to check the result code of the scrub workers
in btrfs_dev_replace_cancel and distinguish if successful cancel
operation and when the there was no operation running.

If btrfs_scrub_cancel() fails, return
BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED so that user can try
to cancel the replace again.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/dev-replace.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 23b13fbecdc22..96763805787ed 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -810,16 +810,23 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
 		btrfs_dev_replace_write_unlock(dev_replace);
 		break;
 	case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED:
-		result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
 		tgt_device = dev_replace->tgtdev;
 		src_device = dev_replace->srcdev;
 		btrfs_dev_replace_write_unlock(dev_replace);
-		btrfs_scrub_cancel(fs_info);
-		/* btrfs_dev_replace_finishing() will handle the cleanup part */
-		btrfs_info_in_rcu(fs_info,
-			"dev_replace from %s (devid %llu) to %s canceled",
-			btrfs_dev_name(src_device), src_device->devid,
-			btrfs_dev_name(tgt_device));
+		ret = btrfs_scrub_cancel(fs_info);
+		if (ret < 0) {
+			result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED;
+		} else {
+			result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
+			/*
+			 * btrfs_dev_replace_finishing() will handle the
+			 * cleanup part
+			 */
+			btrfs_info_in_rcu(fs_info,
+				"dev_replace from %s (devid %llu) to %s canceled",
+				btrfs_dev_name(src_device), src_device->devid,
+				btrfs_dev_name(tgt_device));
+		}
 		break;
 	case BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED:
 		/*
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 074/219] Btrfs: allow clear_extent_dirty() to receive a cached extent state record
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (64 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 073/219] btrfs: dev-replace: set result code of cancel by status of scrub Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 075/219] btrfs: only track ref_heads in delayed_ref_updates Sasha Levin
                   ` (143 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Filipe Manana, Nikolay Borisov, David Sterba, Sasha Levin, linux-btrfs

From: Filipe Manana <fdmanana@suse.com>

[ Upstream commit 0e6ec385b55f6001da8c6b1532494241e52c550d ]

We can have a lot freed extents during the life span of transaction, so
the red black tree that keeps track of the ranges of each freed extent
(fs_info->freed_extents[]) can get quite big. When finishing a
transaction commit we find each range, process it (discard the extents,
unpin them) and then remove it from the red black tree.

We can use an extent state record as a cache when searching for a range,
so that when we clean the range we can use the cached extent state we
passed to the search function instead of iterating the red black tree
again. Doing things as fast as possible when finishing a transaction (in
state TRANS_STATE_UNBLOCKED) is convenient as it reduces the time we
block another task that wants to commit the next transaction.

So change clear_extent_dirty() to allow an optional extent state record to
be passed as an argument, which will be passed down to __clear_extent_bit.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/disk-io.c     | 7 +++++--
 fs/btrfs/extent-tree.c | 7 +++++--
 fs/btrfs/extent_io.h   | 4 ++--
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b2dc613ebed2c..96296dc7d2ea4 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4350,6 +4350,8 @@ static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info,
 	unpin = pinned_extents;
 again:
 	while (1) {
+		struct extent_state *cached_state = NULL;
+
 		/*
 		 * The btrfs_finish_extent_commit() may get the same range as
 		 * ours between find_first_extent_bit and clear_extent_dirty.
@@ -4358,13 +4360,14 @@ static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info,
 		 */
 		mutex_lock(&fs_info->unused_bg_unpin_mutex);
 		ret = find_first_extent_bit(unpin, 0, &start, &end,
-					    EXTENT_DIRTY, NULL);
+					    EXTENT_DIRTY, &cached_state);
 		if (ret) {
 			mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 			break;
 		}
 
-		clear_extent_dirty(unpin, start, end);
+		clear_extent_dirty(unpin, start, end, &cached_state);
+		free_extent_state(cached_state);
 		btrfs_error_unpin_extent_range(fs_info, start, end);
 		mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 		cond_resched();
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 024dd336b20ae..4bda5c09cdfe7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6618,9 +6618,11 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
 		unpin = &fs_info->freed_extents[0];
 
 	while (!trans->aborted) {
+		struct extent_state *cached_state = NULL;
+
 		mutex_lock(&fs_info->unused_bg_unpin_mutex);
 		ret = find_first_extent_bit(unpin, 0, &start, &end,
-					    EXTENT_DIRTY, NULL);
+					    EXTENT_DIRTY, &cached_state);
 		if (ret) {
 			mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 			break;
@@ -6630,9 +6632,10 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
 			ret = btrfs_discard_extent(fs_info, start,
 						   end + 1 - start, NULL);
 
-		clear_extent_dirty(unpin, start, end);
+		clear_extent_dirty(unpin, start, end, &cached_state);
 		unpin_extent_range(fs_info, start, end, true);
 		mutex_unlock(&fs_info->unused_bg_unpin_mutex);
+		free_extent_state(cached_state);
 		cond_resched();
 	}
 
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index ed27becd963c5..a3598b24441e1 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -348,11 +348,11 @@ static inline int set_extent_dirty(struct extent_io_tree *tree, u64 start,
 }
 
 static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,
-		u64 end)
+				     u64 end, struct extent_state **cached)
 {
 	return clear_extent_bit(tree, start, end,
 				EXTENT_DIRTY | EXTENT_DELALLOC |
-				EXTENT_DO_ACCOUNTING, 0, 0, NULL);
+				EXTENT_DO_ACCOUNTING, 0, 0, cached);
 }
 
 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 075/219] btrfs: only track ref_heads in delayed_ref_updates
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (65 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 074/219] Btrfs: allow clear_extent_dirty() to receive a cached extent state record Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 076/219] serial: sh-sci: Fix crash in rx_timer_fn() on PIO fallback Sasha Levin
                   ` (142 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Josef Bacik, Nikolay Borisov, David Sterba, Sasha Levin, linux-btrfs

From: Josef Bacik <jbacik@fb.com>

[ Upstream commit 158ffa364bf723fa1ef128060646d23dc3942994 ]

We use this number to figure out how many delayed refs to run, but
__btrfs_run_delayed_refs really only checks every time we need a new
delayed ref head, so we always run at least one ref head completely no
matter what the number of items on it.  Fix the accounting to only be
adjusted when we add/remove a ref head.

In addition to using this number to limit the number of delayed refs
run, a future patch is also going to use it to calculate the amount of
space required for delayed refs space reservation.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/delayed-ref.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 62ff545ba1f71..7e5c81e80e15d 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -234,8 +234,6 @@ static inline void drop_delayed_ref(struct btrfs_trans_handle *trans,
 	ref->in_tree = 0;
 	btrfs_put_delayed_ref(ref);
 	atomic_dec(&delayed_refs->num_entries);
-	if (trans->delayed_ref_updates)
-		trans->delayed_ref_updates--;
 }
 
 static bool merge_ref(struct btrfs_trans_handle *trans,
@@ -446,7 +444,6 @@ static int insert_delayed_ref(struct btrfs_trans_handle *trans,
 	if (ref->action == BTRFS_ADD_DELAYED_REF)
 		list_add_tail(&ref->add_list, &href->ref_add_list);
 	atomic_inc(&root->num_entries);
-	trans->delayed_ref_updates++;
 	spin_unlock(&href->lock);
 	return ret;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 076/219] serial: sh-sci: Fix crash in rx_timer_fn() on PIO fallback
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (66 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 075/219] btrfs: only track ref_heads in delayed_ref_updates Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 077/219] HID: intel-ish-hid: fixes incorrect error handling Sasha Levin
                   ` (141 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Greg Kroah-Hartman, Sasha Levin, linux-serial

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 2e948218b7c1262a3830823d6620eb227e3d4e3a ]

When falling back to PIO, active_rx must be set to a different value
than cookie_rx[i], else sci_dma_rx_find_active() will incorrectly find a
match, leading to a NULL pointer dereference in rx_timer_fn() later.

Use zero instead, which is the same value as after driver
initialization.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/sh-sci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 5550289e6678b..9e1a6af23ca2b 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1359,7 +1359,7 @@ static int sci_submit_rx(struct sci_port *s, bool port_lock_held)
 		dmaengine_terminate_async(chan);
 	for (i = 0; i < 2; i++)
 		s->cookie_rx[i] = -EINVAL;
-	s->active_rx = -EINVAL;
+	s->active_rx = 0;
 	s->chan_rx = NULL;
 	sci_start_rx(port);
 	if (!port_lock_held)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 077/219] HID: intel-ish-hid: fixes incorrect error handling
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (67 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 076/219] serial: sh-sci: Fix crash in rx_timer_fn() on PIO fallback Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 078/219] gpio: raspberrypi-exp: decrease refcount on firmware dt node Sasha Levin
                   ` (140 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Pan Bian, Benjamin Tissoires, Jiri Kosina, Sasha Levin, linux-input

From: Pan Bian <bianpan2016@163.com>

[ Upstream commit 6e0856d317440a950b17c00a9283114f025e5699 ]

The memory chunk allocated by hid_allocate_device() should be released
by hid_destroy_device(), not kfree().

Fixes: 0b28cb4bcb1("HID: intel-ish-hid: ISH HID client driver")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/intel-ish-hid/ishtp-hid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.c b/drivers/hid/intel-ish-hid/ishtp-hid.c
index cd23903ddcf19..e918d78e541c0 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid.c
+++ b/drivers/hid/intel-ish-hid/ishtp-hid.c
@@ -222,7 +222,7 @@ int ishtp_hid_probe(unsigned int cur_hid_dev,
 err_hid_device:
 	kfree(hid_data);
 err_hid_data:
-	kfree(hid);
+	hid_destroy_device(hid);
 	return rv;
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 078/219] gpio: raspberrypi-exp: decrease refcount on firmware dt node
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (68 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 077/219] HID: intel-ish-hid: fixes incorrect error handling Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 079/219] serial: 8250: Rate limit serial port rx interrupts during input overruns Sasha Levin
                   ` (139 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nicolas Saenz Julienne, Linus Walleij, Sasha Levin, linux-gpio

From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

[ Upstream commit 85af74c474b21940e88483fd48f6094145c89d97 ]

We're getting a reference RPi's firmware node in order to be able to
communicate with it's driver. We should decrease the reference count on
the dt node after being done with it.

Fixes: a98d90e7d588 ("gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-raspberrypi-exp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c
index d6d36d537e373..b77ea16ffa031 100644
--- a/drivers/gpio/gpio-raspberrypi-exp.c
+++ b/drivers/gpio/gpio-raspberrypi-exp.c
@@ -206,6 +206,7 @@ static int rpi_exp_gpio_probe(struct platform_device *pdev)
 	}
 
 	fw = rpi_firmware_get(fw_node);
+	of_node_put(fw_node);
 	if (!fw)
 		return -EPROBE_DEFER;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 079/219] serial: 8250: Rate limit serial port rx interrupts during input overruns
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (69 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 078/219] gpio: raspberrypi-exp: decrease refcount on firmware dt node Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 080/219] kprobes/x86/xen: blacklist non-attachable xen interrupt functions Sasha Levin
                   ` (138 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Darwin Dingel, Greg Kroah-Hartman, Sasha Levin, linux-serial

From: Darwin Dingel <darwin.dingel@alliedtelesis.co.nz>

[ Upstream commit 6d7f677a2afa1c82d7fc7af7f9159cbffd5dc010 ]

When a serial port gets faulty or gets flooded with inputs, its interrupt
handler starts to work double time to get the characters to the workqueue
for the tty layer to handle them. When this busy time on the serial/tty
subsystem happens during boot, where it is also busy on the userspace
trying to initialise, some processes can continuously get preempted
and will be on hold until the interrupts subside.

The fix is to backoff on processing received characters for a specified
amount of time when an input overrun is seen (received a new character
before the previous one is processed). This only stops receive and will
continue to transmit characters to serial port. After the backoff period
is done, it receive will be re-enabled. This is optional and will only
be enabled by setting 'overrun-throttle-ms' in the dts.

Signed-off-by: Darwin Dingel <darwin.dingel@alliedtelesis.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/8250/8250_core.c | 25 +++++++++++++++++++++++++
 drivers/tty/serial/8250/8250_fsl.c  | 23 ++++++++++++++++++++++-
 drivers/tty/serial/8250/8250_of.c   |  5 +++++
 include/linux/serial_8250.h         |  4 ++++
 4 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 8fe3d0ed229ed..0e65d4261f94c 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -946,6 +946,21 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
 	return NULL;
 }
 
+static void serial_8250_overrun_backoff_work(struct work_struct *work)
+{
+	struct uart_8250_port *up =
+	    container_of(to_delayed_work(work), struct uart_8250_port,
+			 overrun_backoff);
+	struct uart_port *port = &up->port;
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	up->ier |= UART_IER_RLSI | UART_IER_RDI;
+	up->port.read_status_mask |= UART_LSR_DR;
+	serial_out(up, UART_IER, up->ier);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
 /**
  *	serial8250_register_8250_port - register a serial port
  *	@up: serial port template
@@ -1060,6 +1075,16 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
 			ret = 0;
 		}
 	}
+
+	/* Initialise interrupt backoff work if required */
+	if (up->overrun_backoff_time_ms > 0) {
+		uart->overrun_backoff_time_ms = up->overrun_backoff_time_ms;
+		INIT_DELAYED_WORK(&uart->overrun_backoff,
+				  serial_8250_overrun_backoff_work);
+	} else {
+		uart->overrun_backoff_time_ms = 0;
+	}
+
 	mutex_unlock(&serial_mutex);
 
 	return ret;
diff --git a/drivers/tty/serial/8250/8250_fsl.c b/drivers/tty/serial/8250/8250_fsl.c
index 6640a4c7ddd1d..bb9571eed275d 100644
--- a/drivers/tty/serial/8250/8250_fsl.c
+++ b/drivers/tty/serial/8250/8250_fsl.c
@@ -45,8 +45,29 @@ int fsl8250_handle_irq(struct uart_port *port)
 
 	lsr = orig_lsr = up->port.serial_in(&up->port, UART_LSR);
 
-	if (lsr & (UART_LSR_DR | UART_LSR_BI))
+	/* Process incoming characters first */
+	if ((lsr & (UART_LSR_DR | UART_LSR_BI)) &&
+	    (up->ier & (UART_IER_RLSI | UART_IER_RDI))) {
 		lsr = serial8250_rx_chars(up, lsr);
+	}
+
+	/* Stop processing interrupts on input overrun */
+	if ((orig_lsr & UART_LSR_OE) && (up->overrun_backoff_time_ms > 0)) {
+		unsigned long delay;
+
+		up->ier = port->serial_in(port, UART_IER);
+		if (up->ier & (UART_IER_RLSI | UART_IER_RDI)) {
+			port->ops->stop_rx(port);
+		} else {
+			/* Keep restarting the timer until
+			 * the input overrun subsides.
+			 */
+			cancel_delayed_work(&up->overrun_backoff);
+		}
+
+		delay = msecs_to_jiffies(up->overrun_backoff_time_ms);
+		schedule_delayed_work(&up->overrun_backoff, delay);
+	}
 
 	serial8250_modem_status(up);
 
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 98125de2f0a6c..2488de1c4bc4b 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -244,6 +244,11 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
 	if (of_property_read_bool(ofdev->dev.of_node, "auto-flow-control"))
 		port8250.capabilities |= UART_CAP_AFE;
 
+	if (of_property_read_u32(ofdev->dev.of_node,
+			"overrun-throttle-ms",
+			&port8250.overrun_backoff_time_ms) != 0)
+		port8250.overrun_backoff_time_ms = 0;
+
 	ret = serial8250_register_8250_port(&port8250);
 	if (ret < 0)
 		goto err_dispose;
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 18e21427bce43..5a655ba8d2730 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -134,6 +134,10 @@ struct uart_8250_port {
 	void			(*dl_write)(struct uart_8250_port *, int);
 
 	struct uart_8250_em485 *em485;
+
+	/* Serial port overrun backoff */
+	struct delayed_work overrun_backoff;
+	u32 overrun_backoff_time_ms;
 };
 
 static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 080/219] kprobes/x86/xen: blacklist non-attachable xen interrupt functions
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (70 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 079/219] serial: 8250: Rate limit serial port rx interrupts during input overruns Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 081/219] xen/pciback: Check dev_data before using it Sasha Levin
                   ` (137 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Andrea Righi, Masami Hiramatsu, Boris Ostrovsky, Sasha Levin, xen-devel

From: Andrea Righi <righi.andrea@gmail.com>

[ Upstream commit bf9445a33ae6ac2f0822d2f1ce1365408387d568 ]

Blacklist symbols in Xen probe-prohibited areas, so that user can see
these prohibited symbols in debugfs.

See also: a50480cb6d61.

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/xen/xen-asm_64.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index 3a6feed76dfc1..a93d8a7cef26c 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -12,6 +12,7 @@
 #include <asm/segment.h>
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
+#include <asm/asm.h>
 
 #include <xen/interface/xen.h>
 
@@ -24,6 +25,7 @@ ENTRY(xen_\name)
 	pop %r11
 	jmp  \name
 END(xen_\name)
+_ASM_NOKPROBE(xen_\name)
 .endm
 
 xen_pv_trap divide_error
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 081/219] xen/pciback: Check dev_data before using it
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (71 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 080/219] kprobes/x86/xen: blacklist non-attachable xen interrupt functions Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 082/219] kprobes: Blacklist symbols in arch-defined prohibited area Sasha Levin
                   ` (136 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ross Lagerwall, Boris Ostrovsky, Sasha Levin, xen-devel

From: Ross Lagerwall <ross.lagerwall@citrix.com>

[ Upstream commit 1669907e3d1abfa3f7586e2d55dbbc117b5adba2 ]

If pcistub_init_device fails, the release function will be called with
dev_data set to NULL.  Check it before using it to avoid a NULL pointer
dereference.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/xen/xen-pciback/pci_stub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index 59661db144e51..097410a7cdb74 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -106,7 +106,8 @@ static void pcistub_device_release(struct kref *kref)
 	 * is called from "unbind" which takes a device_lock mutex.
 	 */
 	__pci_reset_function_locked(dev);
-	if (pci_load_and_free_saved_state(dev, &dev_data->pci_saved_state))
+	if (dev_data &&
+	    pci_load_and_free_saved_state(dev, &dev_data->pci_saved_state))
 		dev_info(&dev->dev, "Could not reload PCI state\n");
 	else
 		pci_restore_state(dev);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 082/219] kprobes: Blacklist symbols in arch-defined prohibited area
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (72 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 081/219] xen/pciback: Check dev_data before using it Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 083/219] kprobes/x86: Show x86-64 specific blacklisted symbols correctly Sasha Levin
                   ` (135 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Masami Hiramatsu, Andrea Righi, Andy Lutomirski,
	Anil S Keshavamurthy, Borislav Petkov, David S . Miller,
	Linus Torvalds, Naveen N . Rao, Peter Zijlstra, Thomas Gleixner,
	Yonghong Song, Ingo Molnar, Sasha Levin

From: Masami Hiramatsu <mhiramat@kernel.org>

[ Upstream commit fb1a59fae8baa3f3c69b72a87ff94fc4fa5683ec ]

Blacklist symbols in arch-defined probe-prohibited areas.
With this change, user can see all symbols which are prohibited
to probe in debugfs.

All archtectures which have custom prohibit areas should define
its own arch_populate_kprobe_blacklist() function, but unless that,
all symbols marked __kprobes are blacklisted.

Reported-by: Andrea Righi <righi.andrea@gmail.com>
Tested-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/154503485491.26176.15823229545155174796.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/kprobes.h |  3 ++
 kernel/kprobes.c        | 67 ++++++++++++++++++++++++++++++++---------
 2 files changed, 56 insertions(+), 14 deletions(-)

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 32cae0f35b9d4..9adb92ad24d3f 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -243,10 +243,13 @@ extern int arch_init_kprobes(void);
 extern void show_registers(struct pt_regs *regs);
 extern void kprobes_inc_nmissed_count(struct kprobe *p);
 extern bool arch_within_kprobe_blacklist(unsigned long addr);
+extern int arch_populate_kprobe_blacklist(void);
 extern bool arch_kprobe_on_func_entry(unsigned long offset);
 extern bool kprobe_on_func_entry(kprobe_opcode_t *addr, const char *sym, unsigned long offset);
 
 extern bool within_kprobe_blacklist(unsigned long addr);
+extern int kprobe_add_ksym_blacklist(unsigned long entry);
+extern int kprobe_add_area_blacklist(unsigned long start, unsigned long end);
 
 struct kprobe_insn_cache {
 	struct mutex mutex;
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index b8efca9dc2cbb..c4f1acb2e7d20 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2090,6 +2090,47 @@ void dump_kprobe(struct kprobe *kp)
 }
 NOKPROBE_SYMBOL(dump_kprobe);
 
+int kprobe_add_ksym_blacklist(unsigned long entry)
+{
+	struct kprobe_blacklist_entry *ent;
+	unsigned long offset = 0, size = 0;
+
+	if (!kernel_text_address(entry) ||
+	    !kallsyms_lookup_size_offset(entry, &size, &offset))
+		return -EINVAL;
+
+	ent = kmalloc(sizeof(*ent), GFP_KERNEL);
+	if (!ent)
+		return -ENOMEM;
+	ent->start_addr = entry;
+	ent->end_addr = entry + size;
+	INIT_LIST_HEAD(&ent->list);
+	list_add_tail(&ent->list, &kprobe_blacklist);
+
+	return (int)size;
+}
+
+/* Add all symbols in given area into kprobe blacklist */
+int kprobe_add_area_blacklist(unsigned long start, unsigned long end)
+{
+	unsigned long entry;
+	int ret = 0;
+
+	for (entry = start; entry < end; entry += ret) {
+		ret = kprobe_add_ksym_blacklist(entry);
+		if (ret < 0)
+			return ret;
+		if (ret == 0)	/* In case of alias symbol */
+			ret = 1;
+	}
+	return 0;
+}
+
+int __init __weak arch_populate_kprobe_blacklist(void)
+{
+	return 0;
+}
+
 /*
  * Lookup and populate the kprobe_blacklist.
  *
@@ -2101,26 +2142,24 @@ NOKPROBE_SYMBOL(dump_kprobe);
 static int __init populate_kprobe_blacklist(unsigned long *start,
 					     unsigned long *end)
 {
+	unsigned long entry;
 	unsigned long *iter;
-	struct kprobe_blacklist_entry *ent;
-	unsigned long entry, offset = 0, size = 0;
+	int ret;
 
 	for (iter = start; iter < end; iter++) {
 		entry = arch_deref_entry_point((void *)*iter);
-
-		if (!kernel_text_address(entry) ||
-		    !kallsyms_lookup_size_offset(entry, &size, &offset))
+		ret = kprobe_add_ksym_blacklist(entry);
+		if (ret == -EINVAL)
 			continue;
-
-		ent = kmalloc(sizeof(*ent), GFP_KERNEL);
-		if (!ent)
-			return -ENOMEM;
-		ent->start_addr = entry;
-		ent->end_addr = entry + size;
-		INIT_LIST_HEAD(&ent->list);
-		list_add_tail(&ent->list, &kprobe_blacklist);
+		if (ret < 0)
+			return ret;
 	}
-	return 0;
+
+	/* Symbols in __kprobes_text are blacklisted */
+	ret = kprobe_add_area_blacklist((unsigned long)__kprobes_text_start,
+					(unsigned long)__kprobes_text_end);
+
+	return ret ? : arch_populate_kprobe_blacklist();
 }
 
 /* Module notifier call back, checking kprobes on the module */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 083/219] kprobes/x86: Show x86-64 specific blacklisted symbols correctly
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (73 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 082/219] kprobes: Blacklist symbols in arch-defined prohibited area Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 084/219] vfio-mdev/samples: Use u8 instead of char for handle functions Sasha Levin
                   ` (134 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Masami Hiramatsu, Andrea Righi, Andy Lutomirski,
	Anil S Keshavamurthy, Borislav Petkov, David S . Miller,
	Linus Torvalds, Naveen N . Rao, Peter Zijlstra, Thomas Gleixner,
	Yonghong Song, Ingo Molnar, Sasha Levin

From: Masami Hiramatsu <mhiramat@kernel.org>

[ Upstream commit fe6e65615415987629a2dda583b4495677d8c388 ]

Show x86-64 specific blacklisted symbols in debugfs.

Since x86-64 prohibits probing on symbols which are in
entry text, those should be shown.

Tested-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/154503488425.26176.17136784384033608516.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kernel/kprobes/core.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index e83a057564d1b..173e915e11d54 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -1140,6 +1140,12 @@ bool arch_within_kprobe_blacklist(unsigned long addr)
 		is_in_entry_trampoline_section;
 }
 
+int __init arch_populate_kprobe_blacklist(void)
+{
+	return kprobe_add_area_blacklist((unsigned long)__entry_text_start,
+					 (unsigned long)__entry_text_end);
+}
+
 int __init arch_init_kprobes(void)
 {
 	return 0;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 084/219] vfio-mdev/samples: Use u8 instead of char for handle functions
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (74 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 083/219] kprobes/x86: Show x86-64 specific blacklisted symbols correctly Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 085/219] memory: omap-gpmc: Get the header of the enum Sasha Levin
                   ` (133 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nathan Chancellor, Alex Williamson, Sasha Levin, kvm, clang-built-linux

From: Nathan Chancellor <natechancellor@gmail.com>

[ Upstream commit 8ba35b3a0046d6573c98f00461d9bd1b86250d35 ]

Clang warns:

samples/vfio-mdev/mtty.c:592:39: warning: implicit conversion from 'int'
to 'char' changes value from 162 to -94 [-Wconstant-conversion]
                *buf = UART_MSR_DSR | UART_MSR_DDSR | UART_MSR_DCD;
                     ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
1 warning generated.

Turns out that all uses of buf in this function ultimately end up stored
or cast to an unsigned type. Just use u8, which has the same number of
bits but can store this larger number so Clang no longer warns.

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 samples/vfio-mdev/mtty.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 7abb79d8313d9..f6732aa16bb1f 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -171,7 +171,7 @@ static struct mdev_state *find_mdev_state_by_uuid(uuid_le uuid)
 	return NULL;
 }
 
-void dump_buffer(char *buf, uint32_t count)
+void dump_buffer(u8 *buf, uint32_t count)
 {
 #if defined(DEBUG)
 	int i;
@@ -250,7 +250,7 @@ static void mtty_create_config_space(struct mdev_state *mdev_state)
 }
 
 static void handle_pci_cfg_write(struct mdev_state *mdev_state, u16 offset,
-				 char *buf, u32 count)
+				 u8 *buf, u32 count)
 {
 	u32 cfg_addr, bar_mask, bar_index = 0;
 
@@ -304,7 +304,7 @@ static void handle_pci_cfg_write(struct mdev_state *mdev_state, u16 offset,
 }
 
 static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
-				u16 offset, char *buf, u32 count)
+				u16 offset, u8 *buf, u32 count)
 {
 	u8 data = *buf;
 
@@ -475,7 +475,7 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
 }
 
 static void handle_bar_read(unsigned int index, struct mdev_state *mdev_state,
-			    u16 offset, char *buf, u32 count)
+			    u16 offset, u8 *buf, u32 count)
 {
 	/* Handle read requests by guest */
 	switch (offset) {
@@ -650,7 +650,7 @@ static void mdev_read_base(struct mdev_state *mdev_state)
 	}
 }
 
-static ssize_t mdev_access(struct mdev_device *mdev, char *buf, size_t count,
+static ssize_t mdev_access(struct mdev_device *mdev, u8 *buf, size_t count,
 			   loff_t pos, bool is_write)
 {
 	struct mdev_state *mdev_state;
@@ -698,7 +698,7 @@ static ssize_t mdev_access(struct mdev_device *mdev, char *buf, size_t count,
 #if defined(DEBUG_REGS)
 			pr_info("%s: BAR%d  WR @0x%llx %s val:0x%02x dlab:%d\n",
 				__func__, index, offset, wr_reg[offset],
-				(u8)*buf, mdev_state->s[index].dlab);
+				*buf, mdev_state->s[index].dlab);
 #endif
 			handle_bar_write(index, mdev_state, offset, buf, count);
 		} else {
@@ -708,7 +708,7 @@ static ssize_t mdev_access(struct mdev_device *mdev, char *buf, size_t count,
 #if defined(DEBUG_REGS)
 			pr_info("%s: BAR%d  RD @0x%llx %s val:0x%02x dlab:%d\n",
 				__func__, index, offset, rd_reg[offset],
-				(u8)*buf, mdev_state->s[index].dlab);
+				*buf, mdev_state->s[index].dlab);
 #endif
 		}
 		break;
@@ -827,7 +827,7 @@ ssize_t mtty_read(struct mdev_device *mdev, char __user *buf, size_t count,
 		if (count >= 4 && !(*ppos % 4)) {
 			u32 val;
 
-			ret =  mdev_access(mdev, (char *)&val, sizeof(val),
+			ret =  mdev_access(mdev, (u8 *)&val, sizeof(val),
 					   *ppos, false);
 			if (ret <= 0)
 				goto read_err;
@@ -839,7 +839,7 @@ ssize_t mtty_read(struct mdev_device *mdev, char __user *buf, size_t count,
 		} else if (count >= 2 && !(*ppos % 2)) {
 			u16 val;
 
-			ret = mdev_access(mdev, (char *)&val, sizeof(val),
+			ret = mdev_access(mdev, (u8 *)&val, sizeof(val),
 					  *ppos, false);
 			if (ret <= 0)
 				goto read_err;
@@ -851,7 +851,7 @@ ssize_t mtty_read(struct mdev_device *mdev, char __user *buf, size_t count,
 		} else {
 			u8 val;
 
-			ret = mdev_access(mdev, (char *)&val, sizeof(val),
+			ret = mdev_access(mdev, (u8 *)&val, sizeof(val),
 					  *ppos, false);
 			if (ret <= 0)
 				goto read_err;
@@ -889,7 +889,7 @@ ssize_t mtty_write(struct mdev_device *mdev, const char __user *buf,
 			if (copy_from_user(&val, buf, sizeof(val)))
 				goto write_err;
 
-			ret = mdev_access(mdev, (char *)&val, sizeof(val),
+			ret = mdev_access(mdev, (u8 *)&val, sizeof(val),
 					  *ppos, true);
 			if (ret <= 0)
 				goto write_err;
@@ -901,7 +901,7 @@ ssize_t mtty_write(struct mdev_device *mdev, const char __user *buf,
 			if (copy_from_user(&val, buf, sizeof(val)))
 				goto write_err;
 
-			ret = mdev_access(mdev, (char *)&val, sizeof(val),
+			ret = mdev_access(mdev, (u8 *)&val, sizeof(val),
 					  *ppos, true);
 			if (ret <= 0)
 				goto write_err;
@@ -913,7 +913,7 @@ ssize_t mtty_write(struct mdev_device *mdev, const char __user *buf,
 			if (copy_from_user(&val, buf, sizeof(val)))
 				goto write_err;
 
-			ret = mdev_access(mdev, (char *)&val, sizeof(val),
+			ret = mdev_access(mdev, (u8 *)&val, sizeof(val),
 					  *ppos, true);
 			if (ret <= 0)
 				goto write_err;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 085/219] memory: omap-gpmc: Get the header of the enum
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (75 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 084/219] vfio-mdev/samples: Use u8 instead of char for handle functions Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 086/219] pinctrl: xway: fix gpio-hog related boot issues Sasha Levin
                   ` (132 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Linus Walleij, Ladislav Michl, Janusz Krzysztofik,
	Stephen Rothwell, Tony Lindgren, Sasha Levin, linux-omap

From: Linus Walleij <linus.walleij@linaro.org>

[ Upstream commit a0752e9c3097b2c4fccd618802938e0951038dfa ]

Commit 21abf103818a
("gpio: Pass a flag to gpiochip_request_own_desc()")
started to pass an enum gpiod_flags but this file is
not including the header file that defines that enum
and the compiler spits:

drivers/memory/omap-gpmc.c: In function
			    'gpmc_probe_generic_child':
drivers/memory/omap-gpmc.c:2174:9: error: type of formal
				   parameter 4 is incomplete
         0);
         ^

Cc: Ladislav Michl <ladis@linux-mips.org>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 21abf103818a ("gpio: Pass a flag to gpiochip_request_own_desc()")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/memory/omap-gpmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index c215287e80cf3..1c6a7c16e0c17 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -21,6 +21,7 @@
 #include <linux/spinlock.h>
 #include <linux/io.h>
 #include <linux/gpio/driver.h>
+#include <linux/gpio/consumer.h> /* GPIO descriptor enum */
 #include <linux/interrupt.h>
 #include <linux/irqdomain.h>
 #include <linux/platform_device.h>
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 086/219] pinctrl: xway: fix gpio-hog related boot issues
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (76 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 085/219] memory: omap-gpmc: Get the header of the enum Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 087/219] net/mlx5: Continue driver initialization despite debugfs failure Sasha Levin
                   ` (131 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Martin Schiller, John Crispin, Linus Walleij, Sasha Levin, linux-gpio

From: Martin Schiller <ms@dev.tdt.de>

[ Upstream commit 9b4924da4711674e62d97d4f5360446cc78337af ]

This patch is based on commit a86caa9ba5d7 ("pinctrl: msm: fix gpio-hog
related boot issues").

It fixes the issue that the gpio ranges needs to be defined before
gpiochip_add().

Therefore, we also have to swap the order of registering the pinctrl
driver and registering the gpio chip.

You also have to add the "gpio-ranges" property to the pinctrl device
node to get it finally working.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/pinctrl-xway.c | 39 +++++++++++++++++++++++-----------
 1 file changed, 27 insertions(+), 12 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index 93f8bd04e7fe6..ae74b260b014b 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -1746,14 +1746,6 @@ static int pinmux_xway_probe(struct platform_device *pdev)
 	}
 	xway_pctrl_desc.pins = xway_info.pads;
 
-	/* register the gpio chip */
-	xway_chip.parent = &pdev->dev;
-	ret = devm_gpiochip_add_data(&pdev->dev, &xway_chip, NULL);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to register gpio chip\n");
-		return ret;
-	}
-
 	/* setup the data needed by pinctrl */
 	xway_pctrl_desc.name	= dev_name(&pdev->dev);
 	xway_pctrl_desc.npins	= xway_chip.ngpio;
@@ -1775,10 +1767,33 @@ static int pinmux_xway_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	/* finish with registering the gpio range in pinctrl */
-	xway_gpio_range.npins = xway_chip.ngpio;
-	xway_gpio_range.base = xway_chip.base;
-	pinctrl_add_gpio_range(xway_info.pctrl, &xway_gpio_range);
+	/* register the gpio chip */
+	xway_chip.parent = &pdev->dev;
+	xway_chip.owner = THIS_MODULE;
+	xway_chip.of_node = pdev->dev.of_node;
+	ret = devm_gpiochip_add_data(&pdev->dev, &xway_chip, NULL);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register gpio chip\n");
+		return ret;
+	}
+
+	/*
+	 * For DeviceTree-supported systems, the gpio core checks the
+	 * pinctrl's device node for the "gpio-ranges" property.
+	 * If it is present, it takes care of adding the pin ranges
+	 * for the driver. In this case the driver can skip ahead.
+	 *
+	 * In order to remain compatible with older, existing DeviceTree
+	 * files which don't set the "gpio-ranges" property or systems that
+	 * utilize ACPI the driver has to call gpiochip_add_pin_range().
+	 */
+	if (!of_property_read_bool(pdev->dev.of_node, "gpio-ranges")) {
+		/* finish with registering the gpio range in pinctrl */
+		xway_gpio_range.npins = xway_chip.ngpio;
+		xway_gpio_range.base = xway_chip.base;
+		pinctrl_add_gpio_range(xway_info.pctrl, &xway_gpio_range);
+	}
+
 	dev_info(&pdev->dev, "Init done\n");
 	return 0;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 087/219] net/mlx5: Continue driver initialization despite debugfs failure
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (77 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 086/219] pinctrl: xway: fix gpio-hog related boot issues Sasha Levin
@ 2019-11-22  5:46 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 088/219] netfilter: nf_nat_sip: fix RTP/RTCP source port translations Sasha Levin
                   ` (130 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:46 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Leon Romanovsky, Saeed Mahameed, Sasha Levin, netdev, linux-rdma

From: Leon Romanovsky <leonro@mellanox.com>

[ Upstream commit 199fa087dc6b503baad06712716fac645a983e8a ]

The failure to create debugfs entry is unpleasant event, but not enough
to abort drier initialization. Align the mlx5_core code to debugfs design
and continue execution whenever debugfs_create_dir() successes or not.

Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 231ed508c240a..5fac00ea62457 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -859,11 +859,9 @@ static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 
 	priv->numa_node = dev_to_node(&dev->pdev->dev);
 
-	priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root);
-	if (!priv->dbg_root) {
-		dev_err(&pdev->dev, "Cannot create debugfs dir, aborting\n");
-		return -ENOMEM;
-	}
+	if (mlx5_debugfs_root)
+		priv->dbg_root =
+			debugfs_create_dir(pci_name(pdev), mlx5_debugfs_root);
 
 	err = mlx5_pci_enable_device(dev);
 	if (err) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 088/219] netfilter: nf_nat_sip: fix RTP/RTCP source port translations
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (78 preceding siblings ...)
  2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 087/219] net/mlx5: Continue driver initialization despite debugfs failure Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 089/219] exofs_mount(): fix leaks on failure exits Sasha Levin
                   ` (129 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alin Nastac, Pablo Neira Ayuso, Sasha Levin, netfilter-devel,
	coreteam, netdev

From: Alin Nastac <alin.nastac@gmail.com>

[ Upstream commit 8294059931448aa1ca112615bdffa3eab552c382 ]

Each media stream negotiation between 2 SIP peers will trigger creation
of 4 different expectations (2 RTP and 2 RTCP):
 - INVITE will create expectations for the media packets sent by the
   called peer
 - reply to the INVITE will create expectations for media packets sent
   by the caller

The dport used by these expectations usually match the ones selected
by the SIP peers, but they might get translated due to conflicts with
another expectation. When such event occur, it is important to do
this translation in both directions, dport translation on the receiving
path and sport translation on the sending path.

This commit fixes the sport translation when the peer requiring it is
also the one that starts the media stream. In this scenario, first media
stream packet is forwarded from LAN to WAN and will rely on
nf_nat_sip_expected() to do the necessary sport translation. However, the
expectation matched by this packet does not contain the necessary information
for doing SNAT, this data being stored in the paired expectation created by
the sender's SIP message (INVITE or reply to it).

Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_nat_sip.c | 39 ++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c
index 1f30860749817..aa1be643d7a09 100644
--- a/net/netfilter/nf_nat_sip.c
+++ b/net/netfilter/nf_nat_sip.c
@@ -18,6 +18,7 @@
 
 #include <net/netfilter/nf_nat.h>
 #include <net/netfilter/nf_nat_helper.h>
+#include <net/netfilter/nf_conntrack_core.h>
 #include <net/netfilter/nf_conntrack_helper.h>
 #include <net/netfilter/nf_conntrack_expect.h>
 #include <net/netfilter/nf_conntrack_seqadj.h>
@@ -316,6 +317,9 @@ static void nf_nat_sip_seq_adjust(struct sk_buff *skb, unsigned int protoff,
 static void nf_nat_sip_expected(struct nf_conn *ct,
 				struct nf_conntrack_expect *exp)
 {
+	struct nf_conn_help *help = nfct_help(ct->master);
+	struct nf_conntrack_expect *pair_exp;
+	int range_set_for_snat = 0;
 	struct nf_nat_range2 range;
 
 	/* This must be a fresh one. */
@@ -327,15 +331,42 @@ static void nf_nat_sip_expected(struct nf_conn *ct,
 	range.min_addr = range.max_addr = exp->saved_addr;
 	nf_nat_setup_info(ct, &range, NF_NAT_MANIP_DST);
 
-	/* Change src to where master sends to, but only if the connection
-	 * actually came from the same source. */
-	if (nf_inet_addr_cmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3,
+	/* Do media streams SRC manip according with the parameters
+	 * found in the paired expectation.
+	 */
+	if (exp->class != SIP_EXPECT_SIGNALLING) {
+		spin_lock_bh(&nf_conntrack_expect_lock);
+		hlist_for_each_entry(pair_exp, &help->expectations, lnode) {
+			if (pair_exp->tuple.src.l3num == nf_ct_l3num(ct) &&
+			    pair_exp->tuple.dst.protonum == ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum &&
+			    nf_inet_addr_cmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3, &pair_exp->saved_addr) &&
+			    ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u.all == pair_exp->saved_proto.all) {
+				range.flags = (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED);
+				range.min_proto.all = range.max_proto.all = pair_exp->tuple.dst.u.all;
+				range.min_addr = range.max_addr = pair_exp->tuple.dst.u3;
+				range_set_for_snat = 1;
+				break;
+			}
+		}
+		spin_unlock_bh(&nf_conntrack_expect_lock);
+	}
+
+	/* When no paired expectation has been found, change src to
+	 * where master sends to, but only if the connection actually came
+	 * from the same source.
+	 */
+	if (!range_set_for_snat &&
+	    nf_inet_addr_cmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3,
 			     &ct->master->tuplehash[exp->dir].tuple.src.u3)) {
 		range.flags = NF_NAT_RANGE_MAP_IPS;
 		range.min_addr = range.max_addr
 			= ct->master->tuplehash[!exp->dir].tuple.dst.u3;
-		nf_nat_setup_info(ct, &range, NF_NAT_MANIP_SRC);
+		range_set_for_snat = 1;
 	}
+
+	/* Perform SRC manip. */
+	if (range_set_for_snat)
+		nf_nat_setup_info(ct, &range, NF_NAT_MANIP_SRC);
 }
 
 static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 089/219] exofs_mount(): fix leaks on failure exits
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (79 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 088/219] netfilter: nf_nat_sip: fix RTP/RTCP source port translations Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 090/219] bnxt_en: Return linux standard errors in bnxt_ethtool.c Sasha Levin
                   ` (128 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Al Viro, David Howells, Sasha Levin

From: Al Viro <viro@zeniv.linux.org.uk>

[ Upstream commit 26cb5a328c6b2bda9e859307ce4cfc60df3a2c28 ]

... and don't abuse mount_nodev(), while we are at it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/exofs/super.c | 37 +++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 7d61e3fa378c2..8fb98bb942372 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -705,21 +705,18 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
 /*
  * Read the superblock from the OSD and fill in the fields
  */
-static int exofs_fill_super(struct super_block *sb, void *data, int silent)
+static int exofs_fill_super(struct super_block *sb,
+				struct exofs_mountopt *opts,
+				struct exofs_sb_info *sbi,
+				int silent)
 {
 	struct inode *root;
-	struct exofs_mountopt *opts = data;
-	struct exofs_sb_info *sbi;	/*extended info                  */
 	struct osd_dev *od;		/* Master device                 */
 	struct exofs_fscb fscb;		/*on-disk superblock info        */
 	struct ore_comp comp;
 	unsigned table_count;
 	int ret;
 
-	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
-	if (!sbi)
-		return -ENOMEM;
-
 	/* use mount options to fill superblock */
 	if (opts->is_osdname) {
 		struct osd_dev_info odi = {.systemid_len = 0};
@@ -863,7 +860,9 @@ static struct dentry *exofs_mount(struct file_system_type *type,
 			  int flags, const char *dev_name,
 			  void *data)
 {
+	struct super_block *s;
 	struct exofs_mountopt opts;
+	struct exofs_sb_info *sbi;
 	int ret;
 
 	ret = parse_options(data, &opts);
@@ -872,9 +871,31 @@ static struct dentry *exofs_mount(struct file_system_type *type,
 		return ERR_PTR(ret);
 	}
 
+	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
+	if (!sbi) {
+		kfree(opts.dev_name);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	s = sget(type, NULL, set_anon_super, flags, NULL);
+
+	if (IS_ERR(s)) {
+		kfree(opts.dev_name);
+		kfree(sbi);
+		return ERR_CAST(s);
+	}
+
 	if (!opts.dev_name)
 		opts.dev_name = dev_name;
-	return mount_nodev(type, flags, &opts, exofs_fill_super);
+
+
+	ret = exofs_fill_super(s, &opts, sbi, flags & SB_SILENT ? 1 : 0);
+	if (ret) {
+		deactivate_locked_super(s);
+		return ERR_PTR(ret);
+	}
+	s->s_flags |= SB_ACTIVE;
+	return dget(s->s_root);
 }
 
 /*
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 090/219] bnxt_en: Return linux standard errors in bnxt_ethtool.c
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (80 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 089/219] exofs_mount(): fix leaks on failure exits Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 091/219] bnxt_en: Save ring statistics before reset Sasha Levin
                   ` (127 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Vasundhara Volam, Michael Chan, David S . Miller, Sasha Levin, netdev

From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>

[ Upstream commit 7c675421afef18253a86ffc383f57bc15ef32ea8 ]

Currently firmware specific errors are returned directly in flash_device
and reset ethtool hooks. Modify it to return linux standard errors
to userspace when flashing operations fail.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 56 +++++++++++++------
 1 file changed, 39 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index da9b876899963..eaa285bf908b9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -1444,14 +1444,22 @@ static int bnxt_flash_nvram(struct net_device *dev,
 	rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
 	dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
 
+	if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
+		netdev_info(dev,
+			    "PF does not have admin privileges to flash the device\n");
+		rc = -EACCES;
+	} else if (rc) {
+		rc = -EIO;
+	}
 	return rc;
 }
 
 static int bnxt_firmware_reset(struct net_device *dev,
 			       u16 dir_type)
 {
-	struct bnxt *bp = netdev_priv(dev);
 	struct hwrm_fw_reset_input req = {0};
+	struct bnxt *bp = netdev_priv(dev);
+	int rc;
 
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
 
@@ -1491,7 +1499,15 @@ static int bnxt_firmware_reset(struct net_device *dev,
 		return -EINVAL;
 	}
 
-	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
+		netdev_info(dev,
+			    "PF does not have admin privileges to reset the device\n");
+		rc = -EACCES;
+	} else if (rc) {
+		rc = -EIO;
+	}
+	return rc;
 }
 
 static int bnxt_flash_firmware(struct net_device *dev,
@@ -1698,9 +1714,9 @@ static int bnxt_flash_package_from_file(struct net_device *dev,
 	struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
 	struct hwrm_nvm_install_update_input install = {0};
 	const struct firmware *fw;
+	int rc, hwrm_err = 0;
 	u32 item_len;
 	u16 index;
-	int rc;
 
 	bnxt_hwrm_fw_set_time(bp);
 
@@ -1743,15 +1759,16 @@ static int bnxt_flash_package_from_file(struct net_device *dev,
 			memcpy(kmem, fw->data, fw->size);
 			modify.host_src_addr = cpu_to_le64(dma_handle);
 
-			rc = hwrm_send_message(bp, &modify, sizeof(modify),
-					       FLASH_PACKAGE_TIMEOUT);
+			hwrm_err = hwrm_send_message(bp, &modify,
+						     sizeof(modify),
+						     FLASH_PACKAGE_TIMEOUT);
 			dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
 					  dma_handle);
 		}
 	}
 	release_firmware(fw);
-	if (rc)
-		return rc;
+	if (rc || hwrm_err)
+		goto err_exit;
 
 	if ((install_type & 0xffff) == 0)
 		install_type >>= 16;
@@ -1759,12 +1776,10 @@ static int bnxt_flash_package_from_file(struct net_device *dev,
 	install.install_type = cpu_to_le32(install_type);
 
 	mutex_lock(&bp->hwrm_cmd_lock);
-	rc = _hwrm_send_message(bp, &install, sizeof(install),
-				INSTALL_PACKAGE_TIMEOUT);
-	if (rc) {
-		rc = -EOPNOTSUPP;
+	hwrm_err = _hwrm_send_message(bp, &install, sizeof(install),
+				      INSTALL_PACKAGE_TIMEOUT);
+	if (hwrm_err)
 		goto flash_pkg_exit;
-	}
 
 	if (resp->error_code) {
 		u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
@@ -1772,12 +1787,11 @@ static int bnxt_flash_package_from_file(struct net_device *dev,
 		if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
 			install.flags |= cpu_to_le16(
 			       NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
-			rc = _hwrm_send_message(bp, &install, sizeof(install),
-						INSTALL_PACKAGE_TIMEOUT);
-			if (rc) {
-				rc = -EOPNOTSUPP;
+			hwrm_err = _hwrm_send_message(bp, &install,
+						      sizeof(install),
+						      INSTALL_PACKAGE_TIMEOUT);
+			if (hwrm_err)
 				goto flash_pkg_exit;
-			}
 		}
 	}
 
@@ -1788,6 +1802,14 @@ static int bnxt_flash_package_from_file(struct net_device *dev,
 	}
 flash_pkg_exit:
 	mutex_unlock(&bp->hwrm_cmd_lock);
+err_exit:
+	if (hwrm_err == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
+		netdev_info(dev,
+			    "PF does not have admin privileges to flash the device\n");
+		rc = -EACCES;
+	} else if (hwrm_err) {
+		rc = -EOPNOTSUPP;
+	}
 	return rc;
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 091/219] bnxt_en: Save ring statistics before reset.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (81 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 090/219] bnxt_en: Return linux standard errors in bnxt_ethtool.c Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 092/219] bnxt_en: query force speeds before disabling autoneg mode Sasha Levin
                   ` (126 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Michael Chan, David S . Miller, Sasha Levin, netdev

From: Michael Chan <michael.chan@broadcom.com>

[ Upstream commit b8875ca356f1c0b17ec68be6666269373a62288e ]

With the current driver, the statistics reported by .ndo_get_stats64()
are reset when the device goes down.  Store a snapshot of the
rtnl_link_stats64 before shutdown.  This snapshot is added to the
current counters in .ndo_get_stats64() so that the counters will not
get reset when the device is down.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 57 +++++++++++++++++------
 drivers/net/ethernet/broadcom/bnxt/bnxt.h |  1 +
 2 files changed, 44 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c54a74de7b088..2f61175f5655a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7148,6 +7148,9 @@ static bool bnxt_drv_busy(struct bnxt *bp)
 		test_bit(BNXT_STATE_READ_STATS, &bp->state));
 }
 
+static void bnxt_get_ring_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats);
+
 static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
 			     bool link_re_init)
 {
@@ -7173,6 +7176,9 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
 	del_timer_sync(&bp->timer);
 	bnxt_free_skbs(bp);
 
+	/* Save ring stats before shutdown */
+	if (bp->bnapi)
+		bnxt_get_ring_stats(bp, &bp->net_stats_prev);
 	if (irq_re_init) {
 		bnxt_free_irq(bp);
 		bnxt_del_napi(bp);
@@ -7234,23 +7240,12 @@ static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return -EOPNOTSUPP;
 }
 
-static void
-bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
+static void bnxt_get_ring_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats)
 {
-	u32 i;
-	struct bnxt *bp = netdev_priv(dev);
+	int i;
 
-	set_bit(BNXT_STATE_READ_STATS, &bp->state);
-	/* Make sure bnxt_close_nic() sees that we are reading stats before
-	 * we check the BNXT_STATE_OPEN flag.
-	 */
-	smp_mb__after_atomic();
-	if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
-		clear_bit(BNXT_STATE_READ_STATS, &bp->state);
-		return;
-	}
 
-	/* TODO check if we need to synchronize with bnxt_close path */
 	for (i = 0; i < bp->cp_nr_rings; i++) {
 		struct bnxt_napi *bnapi = bp->bnapi[i];
 		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
@@ -7279,6 +7274,40 @@ bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 
 		stats->tx_dropped += le64_to_cpu(hw_stats->tx_drop_pkts);
 	}
+}
+
+static void bnxt_add_prev_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats)
+{
+	struct rtnl_link_stats64 *prev_stats = &bp->net_stats_prev;
+
+	stats->rx_packets += prev_stats->rx_packets;
+	stats->tx_packets += prev_stats->tx_packets;
+	stats->rx_bytes += prev_stats->rx_bytes;
+	stats->tx_bytes += prev_stats->tx_bytes;
+	stats->rx_missed_errors += prev_stats->rx_missed_errors;
+	stats->multicast += prev_stats->multicast;
+	stats->tx_dropped += prev_stats->tx_dropped;
+}
+
+static void
+bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	set_bit(BNXT_STATE_READ_STATS, &bp->state);
+	/* Make sure bnxt_close_nic() sees that we are reading stats before
+	 * we check the BNXT_STATE_OPEN flag.
+	 */
+	smp_mb__after_atomic();
+	if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
+		clear_bit(BNXT_STATE_READ_STATS, &bp->state);
+		*stats = bp->net_stats_prev;
+		return;
+	}
+
+	bnxt_get_ring_stats(bp, stats);
+	bnxt_add_prev_stats(bp, stats);
 
 	if (bp->flags & BNXT_FLAG_PORT_STATS) {
 		struct rx_port_stats *rx = bp->hw_rx_port_stats;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index cf2d4a6583d55..f9e253b705ece 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1302,6 +1302,7 @@ struct bnxt {
 	void			*hwrm_cmd_resp_addr;
 	dma_addr_t		hwrm_cmd_resp_dma_addr;
 
+	struct rtnl_link_stats64	net_stats_prev;
 	struct rx_port_stats	*hw_rx_port_stats;
 	struct tx_port_stats	*hw_tx_port_stats;
 	struct rx_port_stats_ext	*hw_rx_port_stats_ext;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 092/219] bnxt_en: query force speeds before disabling autoneg mode.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (82 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 091/219] bnxt_en: Save ring statistics before reset Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 093/219] KVM: s390: unregister debug feature on failing arch init Sasha Levin
                   ` (125 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Vasundhara Volam, Michael Chan, David S . Miller, Sasha Levin, netdev

From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>

[ Upstream commit 56d374624778652d2a999e18c87a25338b127b41 ]

With autoneg enabled, PHY loopback test fails. To disable autoneg,
driver needs to send a valid forced speed to FW. FW is not sending
async event for invalid speeds. To fix this, query forced speeds
and send the correct speed when disabling autoneg mode.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index eaa285bf908b9..2240c23b0a4c9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2390,17 +2390,37 @@ static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 }
 
+static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
+{
+	struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_port_phy_qcaps_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		*force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
+
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
 				    struct hwrm_port_phy_cfg_input *req)
 {
 	struct bnxt_link_info *link_info = &bp->link_info;
-	u16 fw_advertising = link_info->advertising;
+	u16 fw_advertising;
 	u16 fw_speed;
 	int rc;
 
 	if (!link_info->autoneg)
 		return 0;
 
+	rc = bnxt_query_force_speeds(bp, &fw_advertising);
+	if (rc)
+		return rc;
+
 	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
 	if (netif_carrier_ok(bp->dev))
 		fw_speed = bp->link_info.link_speed;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 093/219] KVM: s390: unregister debug feature on failing arch init
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (83 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 092/219] bnxt_en: query force speeds before disabling autoneg mode Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 094/219] pinctrl: sh-pfc: r8a77990: Fix MOD_SEL0 SEL_I2C1 field width Sasha Levin
                   ` (124 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Michael Mueller, Cornelia Huck, Pierre Morel, David Hildenbrand,
	Christian Borntraeger, Sasha Levin, kvm, linux-s390

From: Michael Mueller <mimu@linux.ibm.com>

[ Upstream commit 308c3e6673b012beecb96ef04cc65f4a0e7cdd99 ]

Make sure the debug feature and its allocated resources get
released upon unsuccessful architecture initialization.

A related indication of the issue will be reported as kernel
message.

Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181130143215.69496-2-mimu@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/kvm/kvm-s390.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3c317bc6b7997..db3196aebaa1c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -416,19 +416,30 @@ static void kvm_s390_cpu_feat_init(void)
 
 int kvm_arch_init(void *opaque)
 {
+	int rc;
+
 	kvm_s390_dbf = debug_register("kvm-trace", 32, 1, 7 * sizeof(long));
 	if (!kvm_s390_dbf)
 		return -ENOMEM;
 
 	if (debug_register_view(kvm_s390_dbf, &debug_sprintf_view)) {
-		debug_unregister(kvm_s390_dbf);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto out_debug_unreg;
 	}
 
 	kvm_s390_cpu_feat_init();
 
 	/* Register floating interrupt controller interface. */
-	return kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
+	rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
+	if (rc) {
+		pr_err("Failed to register FLIC rc=%d\n", rc);
+		goto out_debug_unreg;
+	}
+	return 0;
+
+out_debug_unreg:
+	debug_unregister(kvm_s390_dbf);
+	return rc;
 }
 
 void kvm_arch_exit(void)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 094/219] pinctrl: sh-pfc: r8a77990: Fix MOD_SEL0 SEL_I2C1 field width
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (84 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 093/219] KVM: s390: unregister debug feature on failing arch init Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 095/219] pinctrl: sh-pfc: sh7264: Fix PFCR3 and PFCR0 register configuration Sasha Levin
                   ` (123 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Simon Horman, Sasha Levin, linux-renesas-soc,
	linux-gpio

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 755a5b805fa7ff22e2934d67501efd92109f41ea ]

The SEL_I2C1 (MOD_SEL0[21:20]) field in Module Select Register 0 has a
width of 2 bits, i.e. it allows programming one out of 4 different
configurations.
However, the MOD_SEL0_21_20 macro contains 8 values instead of 4,
overflowing into the subsequent fields in the register, and thus breaking
the configuration of the latter.

Fix this by dropping the bogus last 4 values, including the non-existent
SEL_I2C1_4 configuration.

Fixes: 6d4036a1e3b3ac0f ("pinctrl: sh-pfc: Initial R8A77990 PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/sh-pfc/pfc-r8a77990.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77990.c b/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
index b81c807ac54d5..d2fcf7f7b9668 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
@@ -395,7 +395,7 @@ FM(IP12_31_28)	IP12_31_28	FM(IP13_31_28)	IP13_31_28	FM(IP14_31_28)	IP14_31_28	FM
 #define MOD_SEL0_24		FM(SEL_HSCIF0_0)		FM(SEL_HSCIF0_1)
 #define MOD_SEL0_23		FM(SEL_HSCIF1_0)		FM(SEL_HSCIF1_1)
 #define MOD_SEL0_22		FM(SEL_HSCIF2_0)		FM(SEL_HSCIF2_1)
-#define MOD_SEL0_21_20		FM(SEL_I2C1_0)			FM(SEL_I2C1_1)			FM(SEL_I2C1_2)			FM(SEL_I2C1_3)		FM(SEL_I2C1_4)		F_(0, 0)	F_(0, 0)	F_(0, 0)
+#define MOD_SEL0_21_20		FM(SEL_I2C1_0)			FM(SEL_I2C1_1)			FM(SEL_I2C1_2)			FM(SEL_I2C1_3)
 #define MOD_SEL0_19_18_17	FM(SEL_I2C2_0)			FM(SEL_I2C2_1)			FM(SEL_I2C2_2)			FM(SEL_I2C2_3)		FM(SEL_I2C2_4)		F_(0, 0)	F_(0, 0)	F_(0, 0)
 #define MOD_SEL0_16		FM(SEL_NDFC_0)			FM(SEL_NDFC_1)
 #define MOD_SEL0_15		FM(SEL_PWM0_0)			FM(SEL_PWM0_1)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 095/219] pinctrl: sh-pfc: sh7264: Fix PFCR3 and PFCR0 register configuration
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (85 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 094/219] pinctrl: sh-pfc: r8a77990: Fix MOD_SEL0 SEL_I2C1 field width Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 096/219] pinctrl: sh-pfc: sh7734: Fix shifted values in IPSR10 Sasha Levin
                   ` (122 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Simon Horman, Sasha Levin, linux-renesas-soc,
	linux-gpio

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 1b99d0c80bbe1810572c2cb77b90f67886adfa8d ]

The Port F Control Register 3 (PFCR3) contains only a single field.
However, counting from left to right, it is the fourth field, not the
first field.
Insert the missing dummy configuration values (3 fields of 16 values) to
fix this.

The descriptor for the Port F Control Register 0 (PFCR0) lacks the
description for the 4th field (PF0 Mode, PF0MD[2:0]).
Add the missing configuration values to fix this.

Fixes: a8d42fc4217b1ea1 ("sh-pfc: Add sh7264 pinmux support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/sh-pfc/pfc-sh7264.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7264.c b/drivers/pinctrl/sh-pfc/pfc-sh7264.c
index 8070765311dbf..e1c34e19222ee 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7264.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7264.c
@@ -1716,6 +1716,9 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	},
 
 	{ PINMUX_CFG_REG("PFCR3", 0xfffe38a8, 16, 4) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 		PF12MD_000, PF12MD_001, 0, PF12MD_011,
 		PF12MD_100, PF12MD_101, 0, 0,
 		0, 0, 0, 0, 0, 0, 0, 0 }
@@ -1759,8 +1762,10 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		0, 0, 0, 0, 0, 0, 0, 0,
 		PF1MD_000, PF1MD_001, PF1MD_010, PF1MD_011,
 		PF1MD_100, PF1MD_101, 0, 0,
-		0, 0, 0, 0, 0, 0, 0, 0
-	 }
+		0, 0, 0, 0, 0, 0, 0, 0,
+		PF0MD_000, PF0MD_001, PF0MD_010, PF0MD_011,
+		PF0MD_100, PF0MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
 	},
 
 	{ PINMUX_CFG_REG("PFIOR0", 0xfffe38b2, 16, 1) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 096/219] pinctrl: sh-pfc: sh7734: Fix shifted values in IPSR10
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (86 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 095/219] pinctrl: sh-pfc: sh7264: Fix PFCR3 and PFCR0 register configuration Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 097/219] HID: doc: fix wrong data structure reference for UHID_OUTPUT Sasha Levin
                   ` (121 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Simon Horman, Sasha Levin, linux-renesas-soc,
	linux-gpio

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 054f2400f706327f96770219c3065b5131f8f154 ]

Some values in the Peripheral Function Select Register 10 descriptor are
shifted by one position, which may cause a peripheral function to be
programmed incorrectly.

Fixing this makes all HSCIF0 pins use Function 4 (value 3), like was
already the case for the HSCK0 pin in field IP10[5:3].

Fixes: ac1ebc2190f575fc ("sh-pfc: Add sh7734 pinmux support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/sh-pfc/pfc-sh7734.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7734.c b/drivers/pinctrl/sh-pfc/pfc-sh7734.c
index 6502e676d3686..33232041ee86d 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7734.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7734.c
@@ -2213,22 +2213,22 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	    /* IP10_22 [1] */
 		FN_CAN_CLK_A, FN_RX4_D,
 	    /* IP10_21_19 [3] */
-		FN_AUDIO_CLKOUT, FN_TX1_E, FN_HRTS0_C, FN_FSE_B,
-		FN_LCD_M_DISP_B, 0, 0, 0,
+		FN_AUDIO_CLKOUT, FN_TX1_E, 0, FN_HRTS0_C, FN_FSE_B,
+		FN_LCD_M_DISP_B, 0, 0,
 	    /* IP10_18_16 [3] */
-		FN_AUDIO_CLKC, FN_SCK1_E, FN_HCTS0_C, FN_FRB_B,
-		FN_LCD_VEPWC_B, 0, 0, 0,
+		FN_AUDIO_CLKC, FN_SCK1_E, 0, FN_HCTS0_C, FN_FRB_B,
+		FN_LCD_VEPWC_B, 0, 0,
 	    /* IP10_15 [1] */
 		FN_AUDIO_CLKB_A, FN_LCD_CLK_B,
 	    /* IP10_14_12 [3] */
 		FN_AUDIO_CLKA_A, FN_VI1_CLK_B, FN_SCK1_D, FN_IECLK_B,
 		FN_LCD_FLM_B, 0, 0, 0,
 	    /* IP10_11_9 [3] */
-		FN_SSI_SDATA3, FN_VI1_7_B, FN_HTX0_C, FN_FWE_B,
-		FN_LCD_CL2_B, 0, 0, 0,
+		FN_SSI_SDATA3, FN_VI1_7_B, 0, FN_HTX0_C, FN_FWE_B,
+		FN_LCD_CL2_B, 0, 0,
 	    /* IP10_8_6 [3] */
-		FN_SSI_SDATA2, FN_VI1_6_B, FN_HRX0_C, FN_FRE_B,
-		FN_LCD_CL1_B, 0, 0, 0,
+		FN_SSI_SDATA2, FN_VI1_6_B, 0, FN_HRX0_C, FN_FRE_B,
+		FN_LCD_CL1_B, 0, 0,
 	    /* IP10_5_3 [3] */
 		FN_SSI_WS23, FN_VI1_5_B, FN_TX1_D, FN_HSCK0_C, FN_FALE_B,
 		FN_LCD_DON_B, 0, 0, 0,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 097/219] HID: doc: fix wrong data structure reference for UHID_OUTPUT
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (87 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 096/219] pinctrl: sh-pfc: sh7734: Fix shifted values in IPSR10 Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 098/219] dm flakey: Properly corrupt multi-page bios Sasha Levin
                   ` (120 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Peter Hutterer, Jiri Kosina, Sasha Levin, linux-doc

From: Peter Hutterer <peter.hutterer@who-t.net>

[ Upstream commit 46b14eef59a8157138dc02f916a7f97c73b3ec53 ]

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Documentation/hid/uhid.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/hid/uhid.txt b/Documentation/hid/uhid.txt
index c8656dd029a91..958fff9453044 100644
--- a/Documentation/hid/uhid.txt
+++ b/Documentation/hid/uhid.txt
@@ -160,7 +160,7 @@ them but you should handle them according to your needs.
   UHID_OUTPUT:
   This is sent if the HID device driver wants to send raw data to the I/O
   device on the interrupt channel. You should read the payload and forward it to
-  the device. The payload is of type "struct uhid_data_req".
+  the device. The payload is of type "struct uhid_output_req".
   This may be received even though you haven't received UHID_OPEN, yet.
 
   UHID_GET_REPORT:
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 098/219] dm flakey: Properly corrupt multi-page bios.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (88 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 097/219] HID: doc: fix wrong data structure reference for UHID_OUTPUT Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 099/219] gfs2: take jdata unstuff into account in do_grow Sasha Levin
                   ` (119 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sweet Tea, John Dorminy, Mike Snitzer, Sasha Levin, dm-devel

From: Sweet Tea <sweettea@redhat.com>

[ Upstream commit a00f5276e26636cbf72f24f79831026d2e2868e7 ]

The flakey target is documented to be able to corrupt the Nth byte in
a bio, but does not corrupt byte indices after the first biovec in the
bio. Change the corrupting function to actually corrupt the Nth byte
no matter in which biovec that index falls.

A test device generating two-page bios, atop a flakey device configured
to corrupt a byte index on the second page, verified both the failure
to corrupt before this patch and the expected corruption after this
change.

Signed-off-by: John Dorminy <jdorminy@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/dm-flakey.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index b86d2439ffc76..2fcf62fb2844f 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -287,20 +287,31 @@ static void flakey_map_bio(struct dm_target *ti, struct bio *bio)
 
 static void corrupt_bio_data(struct bio *bio, struct flakey_c *fc)
 {
-	unsigned bio_bytes = bio_cur_bytes(bio);
-	char *data = bio_data(bio);
+	unsigned int corrupt_bio_byte = fc->corrupt_bio_byte - 1;
+
+	struct bvec_iter iter;
+	struct bio_vec bvec;
+
+	if (!bio_has_data(bio))
+		return;
 
 	/*
-	 * Overwrite the Nth byte of the data returned.
+	 * Overwrite the Nth byte of the bio's data, on whichever page
+	 * it falls.
 	 */
-	if (data && bio_bytes >= fc->corrupt_bio_byte) {
-		data[fc->corrupt_bio_byte - 1] = fc->corrupt_bio_value;
-
-		DMDEBUG("Corrupting data bio=%p by writing %u to byte %u "
-			"(rw=%c bi_opf=%u bi_sector=%llu cur_bytes=%u)\n",
-			bio, fc->corrupt_bio_value, fc->corrupt_bio_byte,
-			(bio_data_dir(bio) == WRITE) ? 'w' : 'r', bio->bi_opf,
-			(unsigned long long)bio->bi_iter.bi_sector, bio_bytes);
+	bio_for_each_segment(bvec, bio, iter) {
+		if (bio_iter_len(bio, iter) > corrupt_bio_byte) {
+			char *segment = (page_address(bio_iter_page(bio, iter))
+					 + bio_iter_offset(bio, iter));
+			segment[corrupt_bio_byte] = fc->corrupt_bio_value;
+			DMDEBUG("Corrupting data bio=%p by writing %u to byte %u "
+				"(rw=%c bi_opf=%u bi_sector=%llu size=%u)\n",
+				bio, fc->corrupt_bio_value, fc->corrupt_bio_byte,
+				(bio_data_dir(bio) == WRITE) ? 'w' : 'r', bio->bi_opf,
+				(unsigned long long)bio->bi_iter.bi_sector, bio->bi_iter.bi_size);
+			break;
+		}
+		corrupt_bio_byte -= bio_iter_len(bio, iter);
 	}
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 099/219] gfs2: take jdata unstuff into account in do_grow
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (89 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 098/219] dm flakey: Properly corrupt multi-page bios Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 100/219] dm raid: fix false -EBUSY when handling check/repair message Sasha Levin
                   ` (118 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Bob Peterson, Andreas Gruenbacher, Sasha Levin, cluster-devel

From: Bob Peterson <rpeterso@redhat.com>

[ Upstream commit bc0205612bbd4dd4026d4ba6287f5643c37366ec ]

Before this patch, function do_grow would not reserve enough journal
blocks in the transaction to unstuff jdata files while growing them.
This patch adds the logic to add one more block if the file to grow
is jdata.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/gfs2/bmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 52feccedd7a44..096b479721395 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -2122,6 +2122,8 @@ static int do_grow(struct inode *inode, u64 size)
 	}
 
 	error = gfs2_trans_begin(sdp, RES_DINODE + RES_STATFS + RES_RG_BIT +
+				 (unstuff &&
+				  gfs2_is_jdata(ip) ? RES_JDATA : 0) +
 				 (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF ?
 				  0 : RES_QUOTA), 0);
 	if (error)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 100/219] dm raid: fix false -EBUSY when handling check/repair message
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (90 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 099/219] gfs2: take jdata unstuff into account in do_grow Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 101/219] xfs: Align compat attrlist_by_handle with native implementation Sasha Levin
                   ` (117 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Heinz Mauelshagen, Mike Snitzer, Sasha Levin, dm-devel

From: Heinz Mauelshagen <heinzm@redhat.com>

[ Upstream commit 74694bcbdf7e28a5ad548cdda9ac56d30be00d13 ]

Sending a check/repair message infrequently leads to -EBUSY instead of
properly identifying an active resync.  This occurs because
raid_message() is testing recovery bits in a racy way.

Fix by calling decipher_sync_action() from raid_message() to properly
identify the idle state of the RAID device.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/dm-raid.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index b78a8a4d061ca..416998523d455 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3690,8 +3690,7 @@ static int raid_message(struct dm_target *ti, unsigned int argc, char **argv,
 			set_bit(MD_RECOVERY_INTR, &mddev->recovery);
 			md_reap_sync_thread(mddev);
 		}
-	} else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
-		   test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
+	} else if (decipher_sync_action(mddev, mddev->recovery) != st_idle)
 		return -EBUSY;
 	else if (!strcasecmp(argv[0], "resync"))
 		; /* MD_RECOVERY_NEEDED set below */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 101/219] xfs: Align compat attrlist_by_handle with native implementation.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (91 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 100/219] dm raid: fix false -EBUSY when handling check/repair message Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 102/219] xfs: Fix bulkstat compat ioctls on x32 userspace Sasha Levin
                   ` (116 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nick Bowler, Darrick J . Wong, Sasha Levin, linux-xfs

From: Nick Bowler <nbowler@draconx.ca>

[ Upstream commit c456d64449efe37da50832b63d91652a85ea1d20 ]

While inspecting the ioctl implementations, I noticed that the compat
implementation of XFS_IOC_ATTRLIST_BY_HANDLE does not do exactly the
same thing as the native implementation.  Specifically, the "cursor"
does not appear to be written out to userspace on the compat path,
like it is on the native path.

This adjusts the compat implementation to copy out the cursor just
like the native implementation does.  The attrlist cursor does not
require any special compat handling.  This fixes xfstests xfs/269
on both IA-32 and x32 userspace, when running on an amd64 kernel.

Signed-off-by: Nick Bowler <nbowler@draconx.ca>
Fixes: 0facef7fb053b ("xfs: in _attrlist_by_handle, copy the cursor back to userspace")
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/xfs/xfs_ioctl32.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index fba115f4103ac..4c34efcbf7e80 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -336,6 +336,7 @@ xfs_compat_attrlist_by_handle(
 {
 	int			error;
 	attrlist_cursor_kern_t	*cursor;
+	compat_xfs_fsop_attrlist_handlereq_t __user *p = arg;
 	compat_xfs_fsop_attrlist_handlereq_t al_hreq;
 	struct dentry		*dentry;
 	char			*kbuf;
@@ -370,6 +371,11 @@ xfs_compat_attrlist_by_handle(
 	if (error)
 		goto out_kfree;
 
+	if (copy_to_user(&p->pos, cursor, sizeof(attrlist_cursor_kern_t))) {
+		error = -EFAULT;
+		goto out_kfree;
+	}
+
 	if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen))
 		error = -EFAULT;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 102/219] xfs: Fix bulkstat compat ioctls on x32 userspace.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (92 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 101/219] xfs: Align compat attrlist_by_handle with native implementation Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 103/219] IB/qib: Fix an error code in qib_sdma_verbs_send() Sasha Levin
                   ` (115 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nick Bowler, Darrick J . Wong, Sasha Levin, linux-xfs

From: Nick Bowler <nbowler@draconx.ca>

[ Upstream commit 7ca860e3c1a74ad6bd8949364073ef1044cad758 ]

The bulkstat family of ioctls are problematic on x32, because there is
a mixup of native 32-bit and 64-bit conventions.  The xfs_fsop_bulkreq
struct contains pointers and 32-bit integers so that matches the native
32-bit layout, and that means the ioctl implementation goes into the
regular compat path on x32.

However, the 'ubuffer' member of that struct in turn refers to either
struct xfs_inogrp or xfs_bstat (or an array of these).  On x32, those
structures match the native 64-bit layout.  The compat implementation
writes out the 32-bit version of these structures.  This is not the
expected format for x32 userspace, causing problems.

Fortunately the functions which actually output these xfs_inogrp and
xfs_bstat structures have an easy way to select which output format
is required, so we just need a little tweak to select the right format
on x32.

Signed-off-by: Nick Bowler <nbowler@draconx.ca>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/xfs/xfs_ioctl32.c | 34 ++++++++++++++++++++++++++++++----
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 4c34efcbf7e80..b044f7d36782c 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -241,6 +241,32 @@ xfs_compat_ioc_bulkstat(
 	int			done;
 	int			error;
 
+	/*
+	 * Output structure handling functions.  Depending on the command,
+	 * either the xfs_bstat and xfs_inogrp structures are written out
+	 * to userpace memory via bulkreq.ubuffer.  Normally the compat
+	 * functions and structure size are the correct ones to use ...
+	 */
+	inumbers_fmt_pf inumbers_func = xfs_inumbers_fmt_compat;
+	bulkstat_one_pf	bs_one_func = xfs_bulkstat_one_compat;
+	size_t bs_one_size = sizeof(struct compat_xfs_bstat);
+
+#ifdef CONFIG_X86_X32
+	if (in_x32_syscall()) {
+		/*
+		 * ... but on x32 the input xfs_fsop_bulkreq has pointers
+		 * which must be handled in the "compat" (32-bit) way, while
+		 * the xfs_bstat and xfs_inogrp structures follow native 64-
+		 * bit layout convention.  So adjust accordingly, otherwise
+		 * the data written out in compat layout will not match what
+		 * x32 userspace expects.
+		 */
+		inumbers_func = xfs_inumbers_fmt;
+		bs_one_func = xfs_bulkstat_one;
+		bs_one_size = sizeof(struct xfs_bstat);
+	}
+#endif
+
 	/* done = 1 if there are more stats to get and if bulkstat */
 	/* should be called again (unused here, but used in dmapi) */
 
@@ -272,15 +298,15 @@ xfs_compat_ioc_bulkstat(
 
 	if (cmd == XFS_IOC_FSINUMBERS_32) {
 		error = xfs_inumbers(mp, &inlast, &count,
-				bulkreq.ubuffer, xfs_inumbers_fmt_compat);
+				bulkreq.ubuffer, inumbers_func);
 	} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
 		int res;
 
-		error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer,
-				sizeof(compat_xfs_bstat_t), NULL, &res);
+		error = bs_one_func(mp, inlast, bulkreq.ubuffer,
+				bs_one_size, NULL, &res);
 	} else if (cmd == XFS_IOC_FSBULKSTAT_32) {
 		error = xfs_bulkstat(mp, &inlast, &count,
-			xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t),
+			bs_one_func, bs_one_size,
 			bulkreq.ubuffer, &done);
 	} else
 		error = -EINVAL;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 103/219] IB/qib: Fix an error code in qib_sdma_verbs_send()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (93 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 102/219] xfs: Fix bulkstat compat ioctls on x32 userspace Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 104/219] clocksource/drivers/fttmr010: Fix invalid interrupt register access Sasha Levin
                   ` (114 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dan Carpenter, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit 5050ae5fa3d54c8e83e1e447cc7e3591110a7f57 ]

We accidentally return success on this error path.

Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/qib/qib_sdma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c
index d0723d4aef5c9..7424e88b0d918 100644
--- a/drivers/infiniband/hw/qib/qib_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_sdma.c
@@ -576,8 +576,10 @@ int qib_sdma_verbs_send(struct qib_pportdata *ppd,
 		dw = (len + 3) >> 2;
 		addr = dma_map_single(&ppd->dd->pcidev->dev, sge->vaddr,
 				      dw << 2, DMA_TO_DEVICE);
-		if (dma_mapping_error(&ppd->dd->pcidev->dev, addr))
+		if (dma_mapping_error(&ppd->dd->pcidev->dev, addr)) {
+			ret = -ENOMEM;
 			goto unmap;
+		}
 		sdmadesc[0] = 0;
 		make_sdma_desc(ppd, sdmadesc, (u64) addr, dw, dwoffset);
 		/* SDmaUseLargeBuf has to be set in every descriptor */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 104/219] clocksource/drivers/fttmr010: Fix invalid interrupt register access
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (94 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 103/219] IB/qib: Fix an error code in qib_sdma_verbs_send() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 105/219] vxlan: Fix error path in __vxlan_dev_create() Sasha Levin
                   ` (113 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Tao Ren, Linus Walleij, Daniel Lezcano, Sasha Levin

From: Tao Ren <taoren@fb.com>

[ Upstream commit 86fe57fc47b17b3528fa5497fc57e158d846c4ea ]

TIMER_INTR_MASK register (Base Address of Timer + 0x38) is not designed
for masking interrupts on ast2500 chips, and it's not even listed in
ast2400 datasheet, so it's not safe to access TIMER_INTR_MASK on aspeed
chips.

Similarly, TIMER_INTR_STATE register (Base Address of Timer + 0x34) is
not interrupt status register on ast2400 and ast2500 chips. Although
there is no side effect to reset the register in fttmr010_common_init(),
it's just misleading to do so.

Besides, "count_down" is renamed to "is_aspeed" in "fttmr010" structure,
and more comments are added so the code is more readble.

Signed-off-by: Tao Ren <taoren@fb.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clocksource/timer-fttmr010.c | 73 ++++++++++++++++------------
 1 file changed, 42 insertions(+), 31 deletions(-)

diff --git a/drivers/clocksource/timer-fttmr010.c b/drivers/clocksource/timer-fttmr010.c
index cf93f6419b514..fadff7915dd9c 100644
--- a/drivers/clocksource/timer-fttmr010.c
+++ b/drivers/clocksource/timer-fttmr010.c
@@ -21,7 +21,7 @@
 #include <linux/delay.h>
 
 /*
- * Register definitions for the timers
+ * Register definitions common for all the timer variants.
  */
 #define TIMER1_COUNT		(0x00)
 #define TIMER1_LOAD		(0x04)
@@ -36,9 +36,10 @@
 #define TIMER3_MATCH1		(0x28)
 #define TIMER3_MATCH2		(0x2c)
 #define TIMER_CR		(0x30)
-#define TIMER_INTR_STATE	(0x34)
-#define TIMER_INTR_MASK		(0x38)
 
+/*
+ * Control register (TMC30) bit fields for fttmr010/gemini/moxart timers.
+ */
 #define TIMER_1_CR_ENABLE	BIT(0)
 #define TIMER_1_CR_CLOCK	BIT(1)
 #define TIMER_1_CR_INT		BIT(2)
@@ -53,8 +54,9 @@
 #define TIMER_3_CR_UPDOWN	BIT(11)
 
 /*
- * The Aspeed AST2400 moves bits around in the control register
- * and lacks bits for setting the timer to count upwards.
+ * Control register (TMC30) bit fields for aspeed ast2400/ast2500 timers.
+ * The aspeed timers move bits around in the control register and lacks
+ * bits for setting the timer to count upwards.
  */
 #define TIMER_1_CR_ASPEED_ENABLE	BIT(0)
 #define TIMER_1_CR_ASPEED_CLOCK		BIT(1)
@@ -66,6 +68,18 @@
 #define TIMER_3_CR_ASPEED_CLOCK		BIT(9)
 #define TIMER_3_CR_ASPEED_INT		BIT(10)
 
+/*
+ * Interrupt status/mask register definitions for fttmr010/gemini/moxart
+ * timers.
+ * The registers don't exist and they are not needed on aspeed timers
+ * because:
+ *   - aspeed timer overflow interrupt is controlled by bits in Control
+ *     Register (TMC30).
+ *   - aspeed timers always generate interrupt when either one of the
+ *     Match registers equals to Status register.
+ */
+#define TIMER_INTR_STATE	(0x34)
+#define TIMER_INTR_MASK		(0x38)
 #define TIMER_1_INT_MATCH1	BIT(0)
 #define TIMER_1_INT_MATCH2	BIT(1)
 #define TIMER_1_INT_OVERFLOW	BIT(2)
@@ -80,7 +94,7 @@
 struct fttmr010 {
 	void __iomem *base;
 	unsigned int tick_rate;
-	bool count_down;
+	bool is_aspeed;
 	u32 t1_enable_val;
 	struct clock_event_device clkevt;
 #ifdef CONFIG_ARM
@@ -130,7 +144,7 @@ static int fttmr010_timer_set_next_event(unsigned long cycles,
 	cr &= ~fttmr010->t1_enable_val;
 	writel(cr, fttmr010->base + TIMER_CR);
 
-	if (fttmr010->count_down) {
+	if (fttmr010->is_aspeed) {
 		/*
 		 * ASPEED Timer Controller will load TIMER1_LOAD register
 		 * into TIMER1_COUNT register when the timer is re-enabled.
@@ -175,16 +189,17 @@ static int fttmr010_timer_set_oneshot(struct clock_event_device *evt)
 
 	/* Setup counter start from 0 or ~0 */
 	writel(0, fttmr010->base + TIMER1_COUNT);
-	if (fttmr010->count_down)
+	if (fttmr010->is_aspeed) {
 		writel(~0, fttmr010->base + TIMER1_LOAD);
-	else
+	} else {
 		writel(0, fttmr010->base + TIMER1_LOAD);
 
-	/* Enable interrupt */
-	cr = readl(fttmr010->base + TIMER_INTR_MASK);
-	cr &= ~(TIMER_1_INT_OVERFLOW | TIMER_1_INT_MATCH2);
-	cr |= TIMER_1_INT_MATCH1;
-	writel(cr, fttmr010->base + TIMER_INTR_MASK);
+		/* Enable interrupt */
+		cr = readl(fttmr010->base + TIMER_INTR_MASK);
+		cr &= ~(TIMER_1_INT_OVERFLOW | TIMER_1_INT_MATCH2);
+		cr |= TIMER_1_INT_MATCH1;
+		writel(cr, fttmr010->base + TIMER_INTR_MASK);
+	}
 
 	return 0;
 }
@@ -201,9 +216,8 @@ static int fttmr010_timer_set_periodic(struct clock_event_device *evt)
 	writel(cr, fttmr010->base + TIMER_CR);
 
 	/* Setup timer to fire at 1/HZ intervals. */
-	if (fttmr010->count_down) {
+	if (fttmr010->is_aspeed) {
 		writel(period, fttmr010->base + TIMER1_LOAD);
-		writel(0, fttmr010->base + TIMER1_MATCH1);
 	} else {
 		cr = 0xffffffff - (period - 1);
 		writel(cr, fttmr010->base + TIMER1_COUNT);
@@ -281,23 +295,21 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
 	}
 
 	/*
-	 * The Aspeed AST2400 moves bits around in the control register,
-	 * otherwise it works the same.
+	 * The Aspeed timers move bits around in the control register.
 	 */
 	if (is_aspeed) {
 		fttmr010->t1_enable_val = TIMER_1_CR_ASPEED_ENABLE |
 			TIMER_1_CR_ASPEED_INT;
-		/* Downward not available */
-		fttmr010->count_down = true;
+		fttmr010->is_aspeed = true;
 	} else {
 		fttmr010->t1_enable_val = TIMER_1_CR_ENABLE | TIMER_1_CR_INT;
-	}
 
-	/*
-	 * Reset the interrupt mask and status
-	 */
-	writel(TIMER_INT_ALL_MASK, fttmr010->base + TIMER_INTR_MASK);
-	writel(0, fttmr010->base + TIMER_INTR_STATE);
+		/*
+		 * Reset the interrupt mask and status
+		 */
+		writel(TIMER_INT_ALL_MASK, fttmr010->base + TIMER_INTR_MASK);
+		writel(0, fttmr010->base + TIMER_INTR_STATE);
+	}
 
 	/*
 	 * Enable timer 1 count up, timer 2 count up, except on Aspeed,
@@ -306,9 +318,8 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
 	if (is_aspeed)
 		val = TIMER_2_CR_ASPEED_ENABLE;
 	else {
-		val = TIMER_2_CR_ENABLE;
-		if (!fttmr010->count_down)
-			val |= TIMER_1_CR_UPDOWN | TIMER_2_CR_UPDOWN;
+		val = TIMER_2_CR_ENABLE | TIMER_1_CR_UPDOWN |
+			TIMER_2_CR_UPDOWN;
 	}
 	writel(val, fttmr010->base + TIMER_CR);
 
@@ -321,7 +332,7 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
 	writel(0, fttmr010->base + TIMER2_MATCH1);
 	writel(0, fttmr010->base + TIMER2_MATCH2);
 
-	if (fttmr010->count_down) {
+	if (fttmr010->is_aspeed) {
 		writel(~0, fttmr010->base + TIMER2_LOAD);
 		clocksource_mmio_init(fttmr010->base + TIMER2_COUNT,
 				      "FTTMR010-TIMER2",
@@ -371,7 +382,7 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
 
 #ifdef CONFIG_ARM
 	/* Also use this timer for delays */
-	if (fttmr010->count_down)
+	if (fttmr010->is_aspeed)
 		fttmr010->delay_timer.read_current_timer =
 			fttmr010_read_current_timer_down;
 	else
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 105/219] vxlan: Fix error path in __vxlan_dev_create()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (95 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 104/219] clocksource/drivers/fttmr010: Fix invalid interrupt register access Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 106/219] powerpc/book3s/32: fix number of bats in p/v_block_mapped() Sasha Levin
                   ` (112 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Petr Machata, David S . Miller, Sasha Levin, netdev

From: Petr Machata <petrm@mellanox.com>

[ Upstream commit 6db9246871394b3a136cd52001a0763676563840 ]

When a failure occurs in rtnl_configure_link(), the current code
calls unregister_netdevice() to roll back the earlier call to
register_netdevice(), and jumps to errout, which calls
vxlan_fdb_destroy().

However unregister_netdevice() calls transitively ndo_uninit, which is
vxlan_uninit(), and that already takes care of deleting the default FDB
entry by calling vxlan_fdb_delete_default(). Since the entry added
earlier in __vxlan_dev_create() is exactly the default entry, the
cleanup code in the errout block always leads to double free and thus a
panic.

Besides, since vxlan_fdb_delete_default() always destroys the FDB entry
with notification enabled, the deletion of the default entry is notified
even before the addition was notified.

Instead, move the unregister_netdevice() call after the manual destroy,
which solves both problems.

Fixes: 0241b836732f ("vxlan: fix default fdb entry netlink notify ordering during netdev create")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/vxlan.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 2a536f84d5f69..d8a56df3933f0 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3213,6 +3213,7 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
 	struct vxlan_net *vn = net_generic(net, vxlan_net_id);
 	struct vxlan_dev *vxlan = netdev_priv(dev);
 	struct vxlan_fdb *f = NULL;
+	bool unregister = false;
 	int err;
 
 	err = vxlan_dev_configure(net, dev, conf, false, extack);
@@ -3238,12 +3239,11 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
 	err = register_netdevice(dev);
 	if (err)
 		goto errout;
+	unregister = true;
 
 	err = rtnl_configure_link(dev, NULL);
-	if (err) {
-		unregister_netdevice(dev);
+	if (err)
 		goto errout;
-	}
 
 	/* notify default fdb entry */
 	if (f)
@@ -3251,9 +3251,16 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
 
 	list_add(&vxlan->next, &vn->vxlan_list);
 	return 0;
+
 errout:
+	/* unregister_netdevice() destroys the default FDB entry with deletion
+	 * notification. But the addition notification was not sent yet, so
+	 * destroy the entry by hand here.
+	 */
 	if (f)
 		vxlan_fdb_destroy(vxlan, f, false);
+	if (unregister)
+		unregister_netdevice(dev);
 	return err;
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 106/219] powerpc/book3s/32: fix number of bats in p/v_block_mapped()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (96 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 105/219] vxlan: Fix error path in __vxlan_dev_create() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 107/219] powerpc/xmon: fix dump_segments() Sasha Levin
                   ` (111 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Christophe Leroy <christophe.leroy@c-s.fr>

[ Upstream commit e93ba1b7eb5b188c749052df7af1c90821c5f320 ]

This patch fixes the loop in p_block_mapped() and v_block_mapped()
to scan the entire bat_addrs[] array.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/mm/ppc_mmu_32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index bea6c544e38f9..06783270a1242 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -52,7 +52,7 @@ struct batrange {		/* stores address ranges mapped by BATs */
 phys_addr_t v_block_mapped(unsigned long va)
 {
 	int b;
-	for (b = 0; b < 4; ++b)
+	for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b)
 		if (va >= bat_addrs[b].start && va < bat_addrs[b].limit)
 			return bat_addrs[b].phys + (va - bat_addrs[b].start);
 	return 0;
@@ -64,7 +64,7 @@ phys_addr_t v_block_mapped(unsigned long va)
 unsigned long p_block_mapped(phys_addr_t pa)
 {
 	int b;
-	for (b = 0; b < 4; ++b)
+	for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b)
 		if (pa >= bat_addrs[b].phys
 	    	    && pa < (bat_addrs[b].limit-bat_addrs[b].start)
 		              +bat_addrs[b].phys)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 107/219] powerpc/xmon: fix dump_segments()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (97 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 106/219] powerpc/book3s/32: fix number of bats in p/v_block_mapped() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 108/219] drivers/regulator: fix a missing check of return value Sasha Levin
                   ` (110 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Christophe Leroy <christophe.leroy@c-s.fr>

[ Upstream commit 32c8c4c621897199e690760c2d57054f8b84b6e6 ]

mfsrin() takes segment num from bits 31-28 (IBM bits 0-3).

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Clarify bit numbering]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/xmon/xmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index bb5db7bfd8539..f0fa22e7d36c7 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -3493,7 +3493,7 @@ void dump_segments(void)
 
 	printf("sr0-15 =");
 	for (i = 0; i < 16; ++i)
-		printf(" %x", mfsrin(i));
+		printf(" %x", mfsrin(i << 28));
 	printf("\n");
 }
 #endif
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 108/219] drivers/regulator: fix a missing check of return value
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (98 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 107/219] powerpc/xmon: fix dump_segments() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 109/219] Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading Sasha Levin
                   ` (109 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, Mark Brown, Sasha Levin, linux-omap

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit 966e927bf8cc6a44f8b72582a1d6d3ffc73b12ad ]

If palmas_smps_read() fails, we should not use the read data in "reg"
which may contain random value. The fix inserts a check for the return
value of palmas_smps_read(): If it fails, we return the error code
upstream and stop using "reg".

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/regulator/palmas-regulator.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index bb5ab7d78895b..c2cc392a27d40 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -443,13 +443,16 @@ static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 {
 	int id = rdev_get_id(dev);
+	int ret;
 	struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 	struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 	struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 	unsigned int reg;
 	bool rail_enable = true;
 
-	palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
+	ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
+	if (ret)
+		return ret;
 
 	reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 109/219] Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (99 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 108/219] drivers/regulator: fix a missing check of return value Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 110/219] serial: max310x: Fix tx_empty() callback Sasha Levin
                   ` (108 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jonathan Bakker, Paweł Chmiel, Marcel Holtmann, Sasha Levin,
	linux-bluetooth

From: Jonathan Bakker <xc-racer2@live.ca>

[ Upstream commit 22bba80500fdf624a7cfbb65fdfa97a038ae224d ]

The Broadcom controller on aries S5PV210 boards sends out a couple of
unknown packets after the firmware is loaded.  This will cause
logging of errors such as:
	Bluetooth: hci0: Frame reassembly failed (-84)

This is probably also the case with other boards, as there are related
Android userspace patches for custom ROMs such as
https://review.lineageos.org/#/c/LineageOS/android_system_bt/+/142721/
Since this appears to be intended behaviour, treated them as diagnostic
packets.

Note that this is another variant of commit 01d5e44ace8a
("Bluetooth: hci_bcm: Handle empty packet after firmware loading")

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bluetooth/hci_bcm.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index aa6b7ed9fdf12..59e5fc5eec8f8 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -51,6 +51,12 @@
 #define BCM_LM_DIAG_PKT 0x07
 #define BCM_LM_DIAG_SIZE 63
 
+#define BCM_TYPE49_PKT 0x31
+#define BCM_TYPE49_SIZE 0
+
+#define BCM_TYPE52_PKT 0x34
+#define BCM_TYPE52_SIZE 0
+
 #define BCM_AUTOSUSPEND_DELAY	5000 /* default autosleep delay */
 
 /**
@@ -564,12 +570,28 @@ static int bcm_setup(struct hci_uart *hu)
 	.lsize = 0, \
 	.maxlen = BCM_NULL_SIZE
 
+#define BCM_RECV_TYPE49 \
+	.type = BCM_TYPE49_PKT, \
+	.hlen = BCM_TYPE49_SIZE, \
+	.loff = 0, \
+	.lsize = 0, \
+	.maxlen = BCM_TYPE49_SIZE
+
+#define BCM_RECV_TYPE52 \
+	.type = BCM_TYPE52_PKT, \
+	.hlen = BCM_TYPE52_SIZE, \
+	.loff = 0, \
+	.lsize = 0, \
+	.maxlen = BCM_TYPE52_SIZE
+
 static const struct h4_recv_pkt bcm_recv_pkts[] = {
 	{ H4_RECV_ACL,      .recv = hci_recv_frame },
 	{ H4_RECV_SCO,      .recv = hci_recv_frame },
 	{ H4_RECV_EVENT,    .recv = hci_recv_frame },
 	{ BCM_RECV_LM_DIAG, .recv = hci_recv_diag  },
 	{ BCM_RECV_NULL,    .recv = hci_recv_diag  },
+	{ BCM_RECV_TYPE49,  .recv = hci_recv_diag  },
+	{ BCM_RECV_TYPE52,  .recv = hci_recv_diag  },
 };
 
 static int bcm_recv(struct hci_uart *hu, const void *data, int count)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 110/219] serial: max310x: Fix tx_empty() callback
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (100 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 109/219] Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 111/219] openrisc: Fix broken paths to arch/or32 Sasha Levin
                   ` (107 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexander Shiyan, Greg Kroah-Hartman, Sasha Levin, linux-serial

From: Alexander Shiyan <shc_work@mail.ru>

[ Upstream commit a8da3c7873ea57acb8f9cea58c0af477522965aa ]

Function max310x_tx_empty() accesses the IRQSTS register, which is
cleared by IC when reading, so if there is an interrupt status, we
will lose it. This patch implement the transmitter check only by
the current FIFO level.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/max310x.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index bd3e6cf81af5c..0c35c3c5e3734 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -844,12 +844,9 @@ static void max310x_wq_proc(struct work_struct *ws)
 
 static unsigned int max310x_tx_empty(struct uart_port *port)
 {
-	unsigned int lvl, sts;
+	u8 lvl = max310x_port_read(port, MAX310X_TXFIFOLVL_REG);
 
-	lvl = max310x_port_read(port, MAX310X_TXFIFOLVL_REG);
-	sts = max310x_port_read(port, MAX310X_IRQSTS_REG);
-
-	return ((sts & MAX310X_IRQ_TXEMPTY_BIT) && !lvl) ? TIOCSER_TEMT : 0;
+	return lvl ? 0 : TIOCSER_TEMT;
 }
 
 static unsigned int max310x_get_mctrl(struct uart_port *port)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 111/219] openrisc: Fix broken paths to arch/or32
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (101 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 110/219] serial: max310x: Fix tx_empty() callback Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 112/219] RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer Sasha Levin
                   ` (106 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Stafford Horne, Sasha Levin, openrisc

From: Geert Uytterhoeven <geert@linux-m68k.org>

[ Upstream commit 57ce8ba0fd3a95bf29ed741df1c52bd591bf43ff ]

OpenRISC was mainlined as "openrisc", not "or32".
vmlinux.lds is generated from vmlinux.lds.S.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/openrisc/kernel/entry.S | 2 +-
 arch/openrisc/kernel/head.S  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index 0c826ad6e994c..ee6159d2ed22e 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -240,7 +240,7 @@ handler:							;\
  *	 occured. in fact they never do. if you need them use
  *	 values saved on stack (for SPR_EPC, SPR_ESR) or content
  *       of r4 (for SPR_EEAR). for details look at EXCEPTION_HANDLE()
- *       in 'arch/or32/kernel/head.S'
+ *       in 'arch/openrisc/kernel/head.S'
  */
 
 /* =====================================================[ exceptions] === */
diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index 9fc6b60140f00..31ed257ff0618 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -1728,7 +1728,7 @@ _string_nl:
 
 /*
  * .data section should be page aligned
- *	(look into arch/or32/kernel/vmlinux.lds)
+ *	(look into arch/openrisc/kernel/vmlinux.lds.S)
  */
 	.section .data,"aw"
 	.align	8192
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 112/219] RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (102 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 111/219] openrisc: Fix broken paths to arch/or32 Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 113/219] scsi: qla2xxx: deadlock by configfs_depend_item Sasha Levin
                   ` (105 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Bart Van Assche, Sergey Gorenko, Max Gurtovoy, Laurence Oberman,
	Doug Ledford, Sasha Levin, linux-rdma

From: Bart Van Assche <bvanassche@acm.org>

[ Upstream commit 2ee00f6a98c36f7e4ba07cc33f24cc5a69060cc9 ]

This patch avoids that the SCSI mid-layer keeps retrying forever if
ib_post_send() fails. This was discovered while testing immediate
data support and passing a too large num_sge value to ib_post_send().

Cc: Sergey Gorenko <sergeygo@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/srp/ib_srp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index bc6a44a16445c..03ee53adaacd2 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2357,6 +2357,7 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
 
 	if (srp_post_send(ch, iu, len)) {
 		shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
+		scmnd->result = DID_ERROR << 16;
 		goto err_unmap;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 113/219] scsi: qla2xxx: deadlock by configfs_depend_item
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (103 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 112/219] RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 114/219] scsi: csiostor: fix incorrect dma device in case of vport Sasha Levin
                   ` (104 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Anatoliy Glagolev, Himanshu Madhani, Martin K . Petersen,
	Sasha Levin, linux-scsi

From: Anatoliy Glagolev <glagolig@gmail.com>

[ Upstream commit 17b18eaa6f59044a5172db7d07149e31ede0f920 ]

The intent of invoking configfs_depend_item in commit 7474f52a82d51
("tcm_qla2xxx: Perform configfs depend/undepend for base_tpg")
was to prevent a physical Fibre Channel port removal when
virtual (NPIV) ports announced through that physical port are active.
The change does not work as expected: it makes enabled physical port
dependent on target configfs subsystem (the port's parent), something
the configfs guarantees anyway.

Besides, scheduling work in a worker thread and waiting for the work's
completion is not really a valid workaround for the requirement not to call
configfs_depend_item from a configfs callback: the call occasionally
deadlocks.

Thus, removing configfs_depend_item calls does not break anything and fixes
the deadlock problem.

Signed-off-by: Anatoliy Glagolev <glagolig@gmail.com>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qla2xxx/tcm_qla2xxx.c | 48 +++++-------------------------
 drivers/scsi/qla2xxx/tcm_qla2xxx.h |  3 --
 2 files changed, 8 insertions(+), 43 deletions(-)

diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index b8c1a739dfbd1..654e1af7f542c 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -926,38 +926,14 @@ static ssize_t tcm_qla2xxx_tpg_enable_show(struct config_item *item,
 			atomic_read(&tpg->lport_tpg_enabled));
 }
 
-static void tcm_qla2xxx_depend_tpg(struct work_struct *work)
-{
-	struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
-				struct tcm_qla2xxx_tpg, tpg_base_work);
-	struct se_portal_group *se_tpg = &base_tpg->se_tpg;
-	struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
-
-	if (!target_depend_item(&se_tpg->tpg_group.cg_item)) {
-		atomic_set(&base_tpg->lport_tpg_enabled, 1);
-		qlt_enable_vha(base_vha);
-	}
-	complete(&base_tpg->tpg_base_comp);
-}
-
-static void tcm_qla2xxx_undepend_tpg(struct work_struct *work)
-{
-	struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
-				struct tcm_qla2xxx_tpg, tpg_base_work);
-	struct se_portal_group *se_tpg = &base_tpg->se_tpg;
-	struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
-
-	if (!qlt_stop_phase1(base_vha->vha_tgt.qla_tgt)) {
-		atomic_set(&base_tpg->lport_tpg_enabled, 0);
-		target_undepend_item(&se_tpg->tpg_group.cg_item);
-	}
-	complete(&base_tpg->tpg_base_comp);
-}
-
 static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item,
 		const char *page, size_t count)
 {
 	struct se_portal_group *se_tpg = to_tpg(item);
+	struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
+	struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
+			struct tcm_qla2xxx_lport, lport_wwn);
+	struct scsi_qla_host *vha = lport->qla_vha;
 	struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
 			struct tcm_qla2xxx_tpg, se_tpg);
 	unsigned long op;
@@ -976,24 +952,16 @@ static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item,
 		if (atomic_read(&tpg->lport_tpg_enabled))
 			return -EEXIST;
 
-		INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_depend_tpg);
+		atomic_set(&tpg->lport_tpg_enabled, 1);
+		qlt_enable_vha(vha);
 	} else {
 		if (!atomic_read(&tpg->lport_tpg_enabled))
 			return count;
 
-		INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_undepend_tpg);
+		atomic_set(&tpg->lport_tpg_enabled, 0);
+		qlt_stop_phase1(vha->vha_tgt.qla_tgt);
 	}
-	init_completion(&tpg->tpg_base_comp);
-	schedule_work(&tpg->tpg_base_work);
-	wait_for_completion(&tpg->tpg_base_comp);
 
-	if (op) {
-		if (!atomic_read(&tpg->lport_tpg_enabled))
-			return -ENODEV;
-	} else {
-		if (atomic_read(&tpg->lport_tpg_enabled))
-			return -EPERM;
-	}
 	return count;
 }
 
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 7550ba2831c36..147cf6c903666 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -48,9 +48,6 @@ struct tcm_qla2xxx_tpg {
 	struct tcm_qla2xxx_tpg_attrib tpg_attrib;
 	/* Returned by tcm_qla2xxx_make_tpg() */
 	struct se_portal_group se_tpg;
-	/* Items for dealing with configfs_depend_item */
-	struct completion tpg_base_comp;
-	struct work_struct tpg_base_work;
 };
 
 struct tcm_qla2xxx_fc_loopid {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 114/219] scsi: csiostor: fix incorrect dma device in case of vport
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (104 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 113/219] scsi: qla2xxx: deadlock by configfs_depend_item Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 115/219] brcmfmac: Fix access point mode Sasha Levin
                   ` (103 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Varun Prakash, Martin K . Petersen, Sasha Levin, linux-scsi

From: Varun Prakash <varun@chelsio.com>

[ Upstream commit 9934613edcb40b92a216122876cd3b7e76d08390 ]

In case of ->vport_create() call scsi_add_host_with_dma() instead of
scsi_add_host() to pass correct dma device.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/csiostor/csio_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index ed2dae657964b..1793981337dd9 100644
--- a/drivers/scsi/csiostor/csio_init.c
+++ b/drivers/scsi/csiostor/csio_init.c
@@ -649,7 +649,7 @@ csio_shost_init(struct csio_hw *hw, struct device *dev,
 	if (csio_lnode_init(ln, hw, pln))
 		goto err_shost_put;
 
-	if (scsi_add_host(shost, dev))
+	if (scsi_add_host_with_dma(shost, dev, &hw->pdev->dev))
 		goto err_lnode_exit;
 
 	return ln;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 115/219] brcmfmac: Fix access point mode
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (105 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 114/219] scsi: csiostor: fix incorrect dma device in case of vport Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 116/219] ath6kl: Only use match sets when firmware supports it Sasha Levin
                   ` (102 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stefan Wahren, Arend van Spriel, Kalle Valo, Sasha Levin,
	linux-wireless, brcm80211-dev-list.pdl, brcm80211-dev-list,
	netdev

From: Stefan Wahren <stefan.wahren@i2se.com>

[ Upstream commit 861cb5eb467f5e38dce1aabe4e8db379255bd89b ]

Since commit 1204aa17f3b4 ("brcmfmac: set WIPHY_FLAG_HAVE_AP_SME flag")
the Raspberry Pi 3 A+ (BCM43455) isn't able to operate in AP mode with
hostapd (device_ap_sme=1 use_monitor=0):

brcmfmac: brcmf_cfg80211_stop_ap: setting AP mode failed -52

So add the missing mgmt_stypes for AP mode to fix this.

Fixes: 1204aa17f3b4 ("brcmfmac: set WIPHY_FLAG_HAVE_AP_SME flag")
Suggested-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c    | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index c7c520f327f2b..bbdc6000afb9b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6314,6 +6314,16 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
 		.tx = 0xffff,
 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+	[NL80211_IFTYPE_AP] = {
+		.tx = 0xffff,
+		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+		      BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+		      BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+		      BIT(IEEE80211_STYPE_AUTH >> 4) |
+		      BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+		      BIT(IEEE80211_STYPE_ACTION >> 4)
 	}
 };
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 116/219] ath6kl: Only use match sets when firmware supports it
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (106 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 115/219] brcmfmac: Fix access point mode Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 117/219] ath6kl: Fix off by one error in scan completion Sasha Levin
                   ` (101 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kyle Roeschley, Kalle Valo, Sasha Levin, linux-wireless, netdev

From: Kyle Roeschley <kyle.roeschley@ni.com>

[ Upstream commit fb376a495fbdb886f38cfaf5a3805401b9e46f13 ]

Commit dd45b7598f1c ("ath6kl: Include match ssid list in scheduled scan")
merged the probed and matched SSID lists before sending them to the
firmware. In the process, it assumed match set support is always available
in ath6kl_set_probed_ssids, which breaks scans for hidden SSIDs. Now, check
that the firmware supports matching SSIDs in scheduled scans before setting
MATCH_SSID_FLAG.

Fixes: dd45b7598f1c ("ath6kl: Include match ssid list in scheduled scan")
Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath6kl/cfg80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index e121187f371ff..6c98d7903ffb6 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -939,7 +939,7 @@ static int ath6kl_set_probed_ssids(struct ath6kl *ar,
 		else
 			ssid_list[i].flag = ANY_SSID_FLAG;
 
-		if (n_match_ssid == 0)
+		if (ar->wiphy->max_match_sets != 0 && n_match_ssid == 0)
 			ssid_list[i].flag |= MATCH_SSID_FLAG;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 117/219] ath6kl: Fix off by one error in scan completion
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (107 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 116/219] ath6kl: Only use match sets when firmware supports it Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 118/219] powerpc/perf: Fix unit_sel/cache_sel checks Sasha Levin
                   ` (100 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kyle Roeschley, Kalle Valo, Sasha Levin, linux-wireless, netdev

From: Kyle Roeschley <kyle.roeschley@ni.com>

[ Upstream commit 5803c12816c43bd09e5f4247dd9313c2d9a2c41b ]

When ath6kl was reworked to share code between regular and scheduled scans
in commit 3b8ffc6a22ba ("ath6kl: Configure probed SSID list consistently"),
probed SSID entry changed from 1-index to 0-indexed. However,
ath6kl_cfg80211_scan_complete_event() was missed in that change. Fix its
indexing so that we correctly clear out the probed SSID list.

Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath6kl/cfg80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 6c98d7903ffb6..d7c626d9594e1 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -1093,7 +1093,7 @@ void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
 	if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
 		for (i = 0; i < vif->scan_req->n_ssids; i++) {
 			ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
-						  i + 1, DISABLE_SSID_FLAG,
+						  i, DISABLE_SSID_FLAG,
 						  0, NULL);
 		}
 	}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 118/219] powerpc/perf: Fix unit_sel/cache_sel checks
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (108 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 117/219] ath6kl: Fix off by one error in scan completion Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 119/219] powerpc/32: Avoid unsupported flags with clang Sasha Levin
                   ` (99 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Madhavan Srinivasan, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>

[ Upstream commit 2d46d4877b1afd14059393a48bdb8ce27955174c ]

Raw event code has couple of fields "unit" and "cache" in it, to capture
the "unit" to monitor for a given pmcxsel and cache reload qualifier to
program in MMCR1.

isa207_get_constraint() refers "unit" field to update the MMCRC (L2/L3)
Event bus control fields with "cache" bits of the raw event code.
These are power8 specific and not supported by PowerISA v3.0 pmu. So wrap
the checks to be power8 specific. Also, "cache" bit field is referred to
update MMCR1[16:17] and this check can be power8 specific.

Fixes: 7ffd948fae4cd ('powerpc/perf: factor out power8 pmu functions')
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/perf/isa207-common.c | 25 ++++++++++++++++++-------
 arch/powerpc/perf/isa207-common.h |  4 ++--
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c
index 6a2f65d3d088c..053b8e9aa9e75 100644
--- a/arch/powerpc/perf/isa207-common.c
+++ b/arch/powerpc/perf/isa207-common.c
@@ -148,6 +148,14 @@ static bool is_thresh_cmp_valid(u64 event)
 	return true;
 }
 
+static unsigned int dc_ic_rld_quad_l1_sel(u64 event)
+{
+	unsigned int cache;
+
+	cache = (event >> EVENT_CACHE_SEL_SHIFT) & MMCR1_DC_IC_QUAL_MASK;
+	return cache;
+}
+
 static inline u64 isa207_find_source(u64 idx, u32 sub_idx)
 {
 	u64 ret = PERF_MEM_NA;
@@ -288,10 +296,10 @@ int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp)
 		 * have a cache selector of zero. The bank selector (bit 3) is
 		 * irrelevant, as long as the rest of the value is 0.
 		 */
-		if (cache & 0x7)
+		if (!cpu_has_feature(CPU_FTR_ARCH_300) && (cache & 0x7))
 			return -1;
 
-	} else if (event & EVENT_IS_L1) {
+	} else if (cpu_has_feature(CPU_FTR_ARCH_300) || (event & EVENT_IS_L1)) {
 		mask  |= CNST_L1_QUAL_MASK;
 		value |= CNST_L1_QUAL_VAL(cache);
 	}
@@ -394,11 +402,14 @@ int isa207_compute_mmcr(u64 event[], int n_ev,
 		/* In continuous sampling mode, update SDAR on TLB miss */
 		mmcra_sdar_mode(event[i], &mmcra);
 
-		if (event[i] & EVENT_IS_L1) {
-			cache = event[i] >> EVENT_CACHE_SEL_SHIFT;
-			mmcr1 |= (cache & 1) << MMCR1_IC_QUAL_SHIFT;
-			cache >>= 1;
-			mmcr1 |= (cache & 1) << MMCR1_DC_QUAL_SHIFT;
+		if (cpu_has_feature(CPU_FTR_ARCH_300)) {
+			cache = dc_ic_rld_quad_l1_sel(event[i]);
+			mmcr1 |= (cache) << MMCR1_DC_IC_QUAL_SHIFT;
+		} else {
+			if (event[i] & EVENT_IS_L1) {
+				cache = dc_ic_rld_quad_l1_sel(event[i]);
+				mmcr1 |= (cache) << MMCR1_DC_IC_QUAL_SHIFT;
+			}
 		}
 
 		if (is_event_marked(event[i])) {
diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h
index 0028f4b9490db..e5a621699a6d8 100644
--- a/arch/powerpc/perf/isa207-common.h
+++ b/arch/powerpc/perf/isa207-common.h
@@ -163,8 +163,8 @@
 #define MMCR1_COMBINE_SHIFT(pmc)	(35 - ((pmc) - 1))
 #define MMCR1_PMCSEL_SHIFT(pmc)		(24 - (((pmc) - 1)) * 8)
 #define MMCR1_FAB_SHIFT			36
-#define MMCR1_DC_QUAL_SHIFT		47
-#define MMCR1_IC_QUAL_SHIFT		46
+#define MMCR1_DC_IC_QUAL_MASK		0x3
+#define MMCR1_DC_IC_QUAL_SHIFT		46
 
 /* MMCR1 Combine bits macro for power9 */
 #define p9_MMCR1_COMBINE_SHIFT(pmc)	(38 - ((pmc - 1) * 2))
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 119/219] powerpc/32: Avoid unsupported flags with clang
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (109 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 118/219] powerpc/perf: Fix unit_sel/cache_sel checks Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 120/219] powerpc/prom: fix early DEBUG messages Sasha Levin
                   ` (98 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Joel Stanley, Nick Desaulniers, Michael Ellerman, Sasha Levin,
	linuxppc-dev, clang-built-linux

From: Joel Stanley <joel@jms.id.au>

[ Upstream commit 72e7bcc2cdf82bf03caaa5e6c9b0134c2fc2ee7d ]

When building for ppc32 with clang these flags are unsupported:

  -ffixed-r2 and -mmultiple

llvm's lib/Target/PowerPC/PPCRegisterInfo.cpp marks r2 as reserved on
when building for SVR4ABI and !ppc64:

  // The SVR4 ABI reserves r2 and r13
  if (Subtarget.isSVR4ABI()) {
    // We only reserve r2 if we need to use the TOC pointer. If we have no
    // explicit uses of the TOC pointer (meaning we're a leaf function with
    // no constant-pool loads, etc.) and we have no potential uses inside an
    // inline asm block, then we can treat r2 has an ordinary callee-saved
    // register.
    const PPCFunctionInfo *FuncInfo = MF.getInfo<PPCFunctionInfo>();
    if (!TM.isPPC64() || FuncInfo->usesTOCBasePtr() || MF.hasInlineAsm())
      markSuperRegs(Reserved, PPC::R2);  // System-reserved register
    markSuperRegs(Reserved, PPC::R13); // Small Data Area pointer register
  }

This means we can safely omit -ffixed-r2 when building for 32-bit
targets.

The -mmultiple/-mno-multiple flags are not supported by clang, so
platforms that might support multiple miss out on using multiple word
instructions.

We wrap these flags in cc-option so that when Clang gains support the
kernel will be able use these flags.

Clang 8 can then build a ppc44x_defconfig which boots in Qemu:

  make CC=clang-8 ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu-  ppc44x_defconfig
  ./scripts/config -e CONFIG_DEVTMPFS -d DEVTMPFS_MOUNT
  make CC=clang-8 ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu-

  qemu-system-ppc -M bamboo \
   -kernel arch/powerpc/boot/zImage \
   -dtb arch/powerpc/boot/dts/bamboo.dtb \
   -initrd ~/ppc32-440-rootfs.cpio \
   -nographic -serial stdio -monitor pty -append "console=ttyS0"

Link: https://github.com/ClangBuiltLinux/linux/issues/261
Link: https://bugs.llvm.org/show_bug.cgi?id=39556
Link: https://bugs.llvm.org/show_bug.cgi?id=39555
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/Makefile | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index c4c03992ee828..dfcb698ec8f3b 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -145,7 +145,14 @@ endif
 CFLAGS-$(CONFIG_PPC64)	+= $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc))
 CFLAGS-$(CONFIG_PPC64)	+= $(call cc-option,-mno-pointers-to-nested-functions)
 
-CFLAGS-$(CONFIG_PPC32)	:= -ffixed-r2 $(MULTIPLEWORD)
+# Clang unconditionally reserves r2 on ppc32 and does not support the flag
+# https://bugs.llvm.org/show_bug.cgi?id=39555
+CFLAGS-$(CONFIG_PPC32)	:= $(call cc-option, -ffixed-r2)
+
+# Clang doesn't support -mmultiple / -mno-multiple
+# https://bugs.llvm.org/show_bug.cgi?id=39556
+CFLAGS-$(CONFIG_PPC32)	+= $(call cc-option, $(MULTIPLEWORD))
+
 CFLAGS-$(CONFIG_PPC32)	+= $(call cc-option,-mno-readonly-in-sdata)
 
 ifdef CONFIG_PPC_BOOK3S_64
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 120/219] powerpc/prom: fix early DEBUG messages
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (110 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 119/219] powerpc/32: Avoid unsupported flags with clang Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 121/219] powerpc/mm: Make NULL pointer deferences explicit on bad page faults Sasha Levin
                   ` (97 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Christophe Leroy <christophe.leroy@c-s.fr>

[ Upstream commit b18f0ae92b0a1db565c3e505fa87b6971ad3b641 ]

This patch fixes early DEBUG messages in prom.c:
- Use %px instead of %p to see the addresses
- Cast memblock_phys_mem_size() with (unsigned long long) to
avoid build failure when phys_addr_t is not 64 bits.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/kernel/prom.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index c4d7078e5295f..8e88f78e57dba 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -129,7 +129,7 @@ static void __init move_device_tree(void)
 		p = __va(memblock_alloc(size, PAGE_SIZE));
 		memcpy(p, initial_boot_params, size);
 		initial_boot_params = p;
-		DBG("Moved device tree to 0x%p\n", p);
+		DBG("Moved device tree to 0x%px\n", p);
 	}
 
 	DBG("<- move_device_tree\n");
@@ -689,7 +689,7 @@ void __init early_init_devtree(void *params)
 {
 	phys_addr_t limit;
 
-	DBG(" -> early_init_devtree(%p)\n", params);
+	DBG(" -> early_init_devtree(%px)\n", params);
 
 	/* Too early to BUG_ON(), do it by hand */
 	if (!early_init_dt_verify(params))
@@ -749,7 +749,7 @@ void __init early_init_devtree(void *params)
 	memblock_allow_resize();
 	memblock_dump_all();
 
-	DBG("Phys. mem: %llx\n", memblock_phys_mem_size());
+	DBG("Phys. mem: %llx\n", (unsigned long long)memblock_phys_mem_size());
 
 	/* We may need to relocate the flat tree, do it now.
 	 * FIXME .. and the initrd too? */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 121/219] powerpc/mm: Make NULL pointer deferences explicit on bad page faults.
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (111 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 120/219] powerpc/prom: fix early DEBUG messages Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 122/219] powerpc/44x/bamboo: Fix PCI range Sasha Levin
                   ` (96 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Christophe Leroy <christophe.leroy@c-s.fr>

[ Upstream commit 49a502ea23bf9dec47f8f3c3960909ff409cd1bb ]

As several other arches including x86, this patch makes it explicit
that a bad page fault is a NULL pointer dereference when the fault
address is lower than PAGE_SIZE

In the mean time, this page makes all bad_page_fault() messages
shorter so that they remain on one single line. And it prefixes them
by "BUG: " so that they get easily grepped.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Avoid pr_cont()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/mm/fault.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 365526ee29b88..6e0ff8b600ced 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -633,21 +633,22 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
 	switch (TRAP(regs)) {
 	case 0x300:
 	case 0x380:
-		printk(KERN_ALERT "Unable to handle kernel paging request for "
-			"data at address 0x%08lx\n", regs->dar);
+		pr_alert("BUG: %s at 0x%08lx\n",
+			 regs->dar < PAGE_SIZE ? "Kernel NULL pointer dereference" :
+			 "Unable to handle kernel data access", regs->dar);
 		break;
 	case 0x400:
 	case 0x480:
-		printk(KERN_ALERT "Unable to handle kernel paging request for "
-			"instruction fetch\n");
+		pr_alert("BUG: Unable to handle kernel instruction fetch%s",
+			 regs->nip < PAGE_SIZE ? " (NULL pointer?)\n" : "\n");
 		break;
 	case 0x600:
-		printk(KERN_ALERT "Unable to handle kernel paging request for "
-			"unaligned access at address 0x%08lx\n", regs->dar);
+		pr_alert("BUG: Unable to handle kernel unaligned access at 0x%08lx\n",
+			 regs->dar);
 		break;
 	default:
-		printk(KERN_ALERT "Unable to handle kernel paging request for "
-			"unknown fault\n");
+		pr_alert("BUG: Unable to handle unknown paging fault at 0x%08lx\n",
+			 regs->dar);
 		break;
 	}
 	printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 122/219] powerpc/44x/bamboo: Fix PCI range
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (112 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 121/219] powerpc/mm: Make NULL pointer deferences explicit on bad page faults Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 123/219] vfio/spapr_tce: Get rid of possible infinite loop Sasha Levin
                   ` (95 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Benjamin Herrenschmidt, Michael Ellerman, Sasha Levin,
	devicetree, linuxppc-dev

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

[ Upstream commit 3cfb9ebe906b51f2942b1e251009bb251efd2ba6 ]

The bamboo dts has a bug: it uses a non-naturally aligned range
for PCI memory space. This isnt' supported by the code, thus
causing PCI to break on this system.

This is due to the fact that while the chip memory map has 1G
reserved for PCI memory, it's only 512M aligned. The code doesn't
know how to split that into 2 different PMMs and fails, so limit
the region to 512M.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/boot/dts/bamboo.dts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts
index 538e42b1120d8..b5861fa3836c1 100644
--- a/arch/powerpc/boot/dts/bamboo.dts
+++ b/arch/powerpc/boot/dts/bamboo.dts
@@ -268,8 +268,10 @@
 			/* Outbound ranges, one memory and one IO,
 			 * later cannot be changed. Chip supports a second
 			 * IO range but we don't use it for now
+			 * The chip also supports a larger memory range but
+			 * it's not naturally aligned, so our code will break
 			 */
-			ranges = <0x02000000 0x00000000 0xa0000000 0x00000000 0xa0000000 0x00000000 0x40000000
+			ranges = <0x02000000 0x00000000 0xa0000000 0x00000000 0xa0000000 0x00000000 0x20000000
 				  0x02000000 0x00000000 0x00000000 0x00000000 0xe0000000 0x00000000 0x00100000
 				  0x01000000 0x00000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 123/219] vfio/spapr_tce: Get rid of possible infinite loop
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (113 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 122/219] powerpc/44x/bamboo: Fix PCI range Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 124/219] powerpc/powernv/eeh/npu: Fix uninitialized variables in opal_pci_eeh_freeze_status Sasha Levin
                   ` (94 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexey Kardashevskiy, David Gibson, Alex Williamson,
	Michael Ellerman, Sasha Levin, kvm

From: Alexey Kardashevskiy <aik@ozlabs.ru>

[ Upstream commit 517ad4ae8aa93dccdb9a88c27257ecb421c9e848 ]

As a part of cleanup, the SPAPR TCE IOMMU subdriver releases preregistered
memory. If there is a bug in memory release, the loop in
tce_iommu_release() becomes infinite; this actually happened to me.

This makes the loop finite and prints a warning on every failure to make
the code more bug prone.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/vfio/vfio_iommu_spapr_tce.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 96721b154454f..ec53310f16136 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -371,6 +371,7 @@ static void tce_iommu_release(void *iommu_data)
 {
 	struct tce_container *container = iommu_data;
 	struct tce_iommu_group *tcegrp;
+	struct tce_iommu_prereg *tcemem, *tmtmp;
 	long i;
 
 	while (tce_groups_attached(container)) {
@@ -393,13 +394,8 @@ static void tce_iommu_release(void *iommu_data)
 		tce_iommu_free_table(container, tbl);
 	}
 
-	while (!list_empty(&container->prereg_list)) {
-		struct tce_iommu_prereg *tcemem;
-
-		tcemem = list_first_entry(&container->prereg_list,
-				struct tce_iommu_prereg, next);
-		WARN_ON_ONCE(tce_iommu_prereg_free(container, tcemem));
-	}
+	list_for_each_entry_safe(tcemem, tmtmp, &container->prereg_list, next)
+		WARN_ON(tce_iommu_prereg_free(container, tcemem));
 
 	tce_iommu_disable(container);
 	if (container->mm)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 124/219] powerpc/powernv/eeh/npu: Fix uninitialized variables in opal_pci_eeh_freeze_status
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (114 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 123/219] vfio/spapr_tce: Get rid of possible infinite loop Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 125/219] drbd: ignore "all zero" peer volume sizes in handshake Sasha Levin
                   ` (93 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexey Kardashevskiy, Sam Bobroff, Michael Ellerman, Sasha Levin,
	linuxppc-dev

From: Alexey Kardashevskiy <aik@ozlabs.ru>

[ Upstream commit c20577014f85f36d4e137d3d52a1f61225b4a3d2 ]

The current implementation of the OPAL_PCI_EEH_FREEZE_STATUS call in
skiboot's NPU driver does not touch the pci_error_type parameter so
it might have garbage but the powernv code analyzes it nevertheless.

This initializes pcierr and fstate to zero in all call sites.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/platforms/powernv/eeh-powernv.c | 8 ++++----
 arch/powerpc/platforms/powernv/pci-ioda.c    | 4 ++--
 arch/powerpc/platforms/powernv/pci.c         | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 3c1beae29f2d8..9dd5b8909178b 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -578,8 +578,8 @@ static void pnv_eeh_get_phb_diag(struct eeh_pe *pe)
 static int pnv_eeh_get_phb_state(struct eeh_pe *pe)
 {
 	struct pnv_phb *phb = pe->phb->private_data;
-	u8 fstate;
-	__be16 pcierr;
+	u8 fstate = 0;
+	__be16 pcierr = 0;
 	s64 rc;
 	int result = 0;
 
@@ -617,8 +617,8 @@ static int pnv_eeh_get_phb_state(struct eeh_pe *pe)
 static int pnv_eeh_get_pe_state(struct eeh_pe *pe)
 {
 	struct pnv_phb *phb = pe->phb->private_data;
-	u8 fstate;
-	__be16 pcierr;
+	u8 fstate = 0;
+	__be16 pcierr = 0;
 	s64 rc;
 	int result;
 
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 326ca6288bb12..ee63749a2d47e 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -605,8 +605,8 @@ static int pnv_ioda_unfreeze_pe(struct pnv_phb *phb, int pe_no, int opt)
 static int pnv_ioda_get_pe_state(struct pnv_phb *phb, int pe_no)
 {
 	struct pnv_ioda_pe *slave, *pe;
-	u8 fstate, state;
-	__be16 pcierr;
+	u8 fstate = 0, state;
+	__be16 pcierr = 0;
 	s64 rc;
 
 	/* Sanity check on PE number */
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 13aef2323bbca..db230a35609bf 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -602,8 +602,8 @@ static void pnv_pci_handle_eeh_config(struct pnv_phb *phb, u32 pe_no)
 static void pnv_pci_config_check_eeh(struct pci_dn *pdn)
 {
 	struct pnv_phb *phb = pdn->phb->private_data;
-	u8	fstate;
-	__be16	pcierr;
+	u8	fstate = 0;
+	__be16	pcierr = 0;
 	unsigned int pe_no;
 	s64	rc;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 125/219] drbd: ignore "all zero" peer volume sizes in handshake
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (115 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 124/219] powerpc/powernv/eeh/npu: Fix uninitialized variables in opal_pci_eeh_freeze_status Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 126/219] drbd: reject attach of unsuitable uuids even if connected Sasha Levin
                   ` (92 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lars Ellenberg, Jens Axboe, Sasha Levin, drbd-dev, linux-block

From: Lars Ellenberg <lars.ellenberg@linbit.com>

[ Upstream commit 94c43a13b8d6e3e0dd77b3536b5e04a84936b762 ]

During handshake, if we are diskless ourselves, we used to accept any size
presented by the peer.

Which could be zero if that peer was just brought up and connected
to us without having a disk attached first, in which case both
peers would just "flip" their volume sizes.

Now, even a diskless node will ignore "zero" sizes
presented by a diskless peer.

Also a currently Diskless Primary will refuse to shrink during handshake:
it may be frozen, and waiting for a "suitable" local disk or peer to
re-appear (on-no-data-accessible suspend-io). If the peer is smaller
than what we used to be, it is not suitable.

The logic for a diskless node during handshake is now supposed to be:
believe the peer, if
 - I don't have a current size myself
 - we agree on the size anyways
 - I do have a current size, am Secondary, and he has the only disk
 - I do have a current size, am Primary, and he has the only disk,
   which is larger than my current size

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/drbd/drbd_receiver.c | 33 +++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 3cdadf75c82da..c9e8d61dea248 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3980,6 +3980,7 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 	struct o_qlim *o = (connection->agreed_features & DRBD_FF_WSAME) ? p->qlim : NULL;
 	enum determine_dev_size dd = DS_UNCHANGED;
 	sector_t p_size, p_usize, p_csize, my_usize;
+	sector_t new_size, cur_size;
 	int ldsc = 0; /* local disk size changed */
 	enum dds_flags ddsf;
 
@@ -3987,6 +3988,7 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 	if (!peer_device)
 		return config_unknown_volume(connection, pi);
 	device = peer_device->device;
+	cur_size = drbd_get_capacity(device->this_bdev);
 
 	p_size = be64_to_cpu(p->d_size);
 	p_usize = be64_to_cpu(p->u_size);
@@ -3997,7 +3999,6 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 	device->p_size = p_size;
 
 	if (get_ldev(device)) {
-		sector_t new_size, cur_size;
 		rcu_read_lock();
 		my_usize = rcu_dereference(device->ldev->disk_conf)->disk_size;
 		rcu_read_unlock();
@@ -4015,7 +4016,6 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 		/* Never shrink a device with usable data during connect.
 		   But allow online shrinking if we are connected. */
 		new_size = drbd_new_dev_size(device, device->ldev, p_usize, 0);
-		cur_size = drbd_get_capacity(device->this_bdev);
 		if (new_size < cur_size &&
 		    device->state.disk >= D_OUTDATED &&
 		    device->state.conn < C_CONNECTED) {
@@ -4080,9 +4080,36 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 		 *
 		 * However, if he sends a zero current size,
 		 * take his (user-capped or) backing disk size anyways.
+		 *
+		 * Unless of course he does not have a disk himself.
+		 * In which case we ignore this completely.
 		 */
+		sector_t new_size = p_csize ?: p_usize ?: p_size;
 		drbd_reconsider_queue_parameters(device, NULL, o);
-		drbd_set_my_capacity(device, p_csize ?: p_usize ?: p_size);
+		if (new_size == 0) {
+			/* Ignore, peer does not know nothing. */
+		} else if (new_size == cur_size) {
+			/* nothing to do */
+		} else if (cur_size != 0 && p_size == 0) {
+			drbd_warn(device, "Ignored diskless peer device size (peer:%llu != me:%llu sectors)!\n",
+					(unsigned long long)new_size, (unsigned long long)cur_size);
+		} else if (new_size < cur_size && device->state.role == R_PRIMARY) {
+			drbd_err(device, "The peer's device size is too small! (%llu < %llu sectors); demote me first!\n",
+					(unsigned long long)new_size, (unsigned long long)cur_size);
+			conn_request_state(peer_device->connection, NS(conn, C_DISCONNECTING), CS_HARD);
+			return -EIO;
+		} else {
+			/* I believe the peer, if
+			 *  - I don't have a current size myself
+			 *  - we agree on the size anyways
+			 *  - I do have a current size, am Secondary,
+			 *    and he has the only disk
+			 *  - I do have a current size, am Primary,
+			 *    and he has the only disk,
+			 *    which is larger than my current size
+			 */
+			drbd_set_my_capacity(device, new_size);
+		}
 	}
 
 	if (get_ldev(device)) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 126/219] drbd: reject attach of unsuitable uuids even if connected
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (116 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 125/219] drbd: ignore "all zero" peer volume sizes in handshake Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 127/219] drbd: do not block when adjusting "disk-options" while IO is frozen Sasha Levin
                   ` (91 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lars Ellenberg, Jens Axboe, Sasha Levin, drbd-dev, linux-block

From: Lars Ellenberg <lars.ellenberg@linbit.com>

[ Upstream commit fe43ed97bba3b11521abd934b83ed93143470e4f ]

Multiple failure scenario:
a) all good
   Connected Primary/Secondary UpToDate/UpToDate
b) lose disk on Primary,
   Connected Primary/Secondary Diskless/UpToDate
c) continue to write to the device,
   changes only make it to the Secondary storage.
d) lose disk on Secondary,
   Connected Primary/Secondary Diskless/Diskless
e) now try to re-attach on Primary

This would have succeeded before, even though that is clearly the
wrong data set to attach to (missing the modifications from c).
Because we only compared our "effective" and the "to-be-attached"
data generation uuid tags if (device->state.conn < C_CONNECTED).

Fix: change that constraint to (device->state.pdsk != D_UP_TO_DATE)
compare the uuids, and reject the attach.

This patch also tries to improve the reverse scenario:
first lose Secondary, then Primary disk,
then try to attach the disk on Secondary.

Before this patch, the attach on the Secondary succeeds, but since commit
drbd: disconnect, if the wrong UUIDs are attached on a connected peer
the Primary will notice unsuitable data, and drop the connection hard.

Though unfortunately at a point in time during the handshake where
we cannot easily abort the attach on the peer without more
refactoring of the handshake.

We now reject any attach to "unsuitable" uuids,
as long as we can see a Primary role,
unless we already have access to "good" data.

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/drbd/drbd_nl.c       |  6 +++---
 drivers/block/drbd/drbd_receiver.c | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 319fabdd63a3f..3366c1a91ee00 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1935,9 +1935,9 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
 		}
 	}
 
-	if (device->state.conn < C_CONNECTED &&
-	    device->state.role == R_PRIMARY && device->ed_uuid &&
-	    (device->ed_uuid & ~((u64)1)) != (nbc->md.uuid[UI_CURRENT] & ~((u64)1))) {
+	if (device->state.pdsk != D_UP_TO_DATE && device->ed_uuid &&
+	    (device->state.role == R_PRIMARY || device->state.peer == R_PRIMARY) &&
+            (device->ed_uuid & ~((u64)1)) != (nbc->md.uuid[UI_CURRENT] & ~((u64)1))) {
 		drbd_err(device, "Can only attach to data with current UUID=%016llX\n",
 		    (unsigned long long)device->ed_uuid);
 		retcode = ERR_DATA_NOT_CURRENT;
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c9e8d61dea248..cbb6ef719978f 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -4395,6 +4395,25 @@ static int receive_state(struct drbd_connection *connection, struct packet_info
 	if (peer_state.conn == C_AHEAD)
 		ns.conn = C_BEHIND;
 
+	/* TODO:
+	 * if (primary and diskless and peer uuid != effective uuid)
+	 *     abort attach on peer;
+	 *
+	 * If this node does not have good data, was already connected, but
+	 * the peer did a late attach only now, trying to "negotiate" with me,
+	 * AND I am currently Primary, possibly frozen, with some specific
+	 * "effective" uuid, this should never be reached, really, because
+	 * we first send the uuids, then the current state.
+	 *
+	 * In this scenario, we already dropped the connection hard
+	 * when we received the unsuitable uuids (receive_uuids().
+	 *
+	 * Should we want to change this, that is: not drop the connection in
+	 * receive_uuids() already, then we would need to add a branch here
+	 * that aborts the attach of "unsuitable uuids" on the peer in case
+	 * this node is currently Diskless Primary.
+	 */
+
 	if (device->p_uuid && peer_state.disk >= D_NEGOTIATING &&
 	    get_ldev_if_state(device, D_NEGOTIATING)) {
 		int cr; /* consider resync */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 127/219] drbd: do not block when adjusting "disk-options" while IO is frozen
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (117 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 126/219] drbd: reject attach of unsuitable uuids even if connected Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 128/219] drbd: fix print_st_err()'s prototype to match the definition Sasha Levin
                   ` (90 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lars Ellenberg, Jens Axboe, Sasha Levin, drbd-dev, linux-block

From: Lars Ellenberg <lars.ellenberg@linbit.com>

[ Upstream commit f708bd08ecbdc23d03aaedf5b3311ebe44cfdb50 ]

"suspending" IO is overloaded.
It can mean "do not allow new requests" (obviously),
but it also may mean "must not complete pending IO",
for example while the fencing handlers do their arbitration.

When adjusting disk options, we suspend io (disallow new requests), then
wait for the activity-log to become unused (drain all IO completions),
and possibly replace it with a new activity log of different size.

If the other "suspend IO" aspect is active, pending IO completions won't
happen, and we would block forever (unkillable drbdsetup process).

Fix this by skipping the activity log adjustment if the "al-extents"
setting did not change. Also, in case it did change, fail early without
blocking if it looks like we would block forever.

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/drbd/drbd_nl.c | 37 ++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 3366c1a91ee00..5b15ffd0c7f57 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1515,6 +1515,30 @@ static void sanitize_disk_conf(struct drbd_device *device, struct disk_conf *dis
 	}
 }
 
+static int disk_opts_check_al_size(struct drbd_device *device, struct disk_conf *dc)
+{
+	int err = -EBUSY;
+
+	if (device->act_log &&
+	    device->act_log->nr_elements == dc->al_extents)
+		return 0;
+
+	drbd_suspend_io(device);
+	/* If IO completion is currently blocked, we would likely wait
+	 * "forever" for the activity log to become unused. So we don't. */
+	if (atomic_read(&device->ap_bio_cnt))
+		goto out;
+
+	wait_event(device->al_wait, lc_try_lock(device->act_log));
+	drbd_al_shrink(device);
+	err = drbd_check_al_size(device, dc);
+	lc_unlock(device->act_log);
+	wake_up(&device->al_wait);
+out:
+	drbd_resume_io(device);
+	return err;
+}
+
 int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 {
 	struct drbd_config_context adm_ctx;
@@ -1577,15 +1601,12 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 		}
 	}
 
-	drbd_suspend_io(device);
-	wait_event(device->al_wait, lc_try_lock(device->act_log));
-	drbd_al_shrink(device);
-	err = drbd_check_al_size(device, new_disk_conf);
-	lc_unlock(device->act_log);
-	wake_up(&device->al_wait);
-	drbd_resume_io(device);
-
+	err = disk_opts_check_al_size(device, new_disk_conf);
 	if (err) {
+		/* Could be just "busy". Ignore?
+		 * Introduce dedicated error code? */
+		drbd_msg_put_info(adm_ctx.reply_skb,
+			"Try again without changing current al-extents setting");
 		retcode = ERR_NOMEM;
 		goto fail_unlock;
 	}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 128/219] drbd: fix print_st_err()'s prototype to match the definition
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (118 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 127/219] drbd: do not block when adjusting "disk-options" while IO is frozen Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 129/219] IB/rxe: Make counters thread safe Sasha Levin
                   ` (89 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Luc Van Oostenryck, Roland Kammerer, Lars Ellenberg, Jens Axboe,
	Sasha Levin, drbd-dev, linux-block

From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

[ Upstream commit 2c38f035117331eb78d0504843c79ea7c7fabf37 ]

print_st_err() is defined with its 4th argument taking an
'enum drbd_state_rv' but its prototype use an int for it.

Fix this by using 'enum drbd_state_rv' in the prototype too.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Roland Kammerer <roland.kammerer@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/drbd/drbd_state.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h
index ea58301d0895c..b2a390ba73a05 100644
--- a/drivers/block/drbd/drbd_state.h
+++ b/drivers/block/drbd/drbd_state.h
@@ -131,7 +131,7 @@ extern enum drbd_state_rv _drbd_set_state(struct drbd_device *, union drbd_state
 					  enum chg_state_flags,
 					  struct completion *done);
 extern void print_st_err(struct drbd_device *, union drbd_state,
-			union drbd_state, int);
+			union drbd_state, enum drbd_state_rv);
 
 enum drbd_state_rv
 _conn_request_state(struct drbd_connection *connection, union drbd_state mask, union drbd_state val,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 129/219] IB/rxe: Make counters thread safe
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (119 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 128/219] drbd: fix print_st_err()'s prototype to match the definition Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 130/219] bpf/cpumap: make sure frame_size for build_skb is aligned if headroom isn't Sasha Levin
                   ` (88 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Parav Pandit, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Parav Pandit <parav@mellanox.com>

[ Upstream commit d5108e69fe013ff47ab815b849caba9cc33ca1e5 ]

Current rxe device counters are not thread safe.
When multiple QPs are used, they can be racy.
Make them thread safe by making it atomic64.

Fixes: 0b1e5b99a48b ("IB/rxe: Add port protocol stats")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/sw/rxe/rxe_hw_counters.c | 2 +-
 drivers/infiniband/sw/rxe/rxe_verbs.h       | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_hw_counters.c b/drivers/infiniband/sw/rxe/rxe_hw_counters.c
index 6aeb7a165e469..ea4542a9d69e6 100644
--- a/drivers/infiniband/sw/rxe/rxe_hw_counters.c
+++ b/drivers/infiniband/sw/rxe/rxe_hw_counters.c
@@ -59,7 +59,7 @@ int rxe_ib_get_hw_stats(struct ib_device *ibdev,
 		return -EINVAL;
 
 	for (cnt = 0; cnt  < ARRAY_SIZE(rxe_counter_name); cnt++)
-		stats->value[cnt] = dev->stats_counters[cnt];
+		stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
 
 	return ARRAY_SIZE(rxe_counter_name);
 }
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index 3b731c7682e5b..a61782df4e805 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -408,16 +408,16 @@ struct rxe_dev {
 	spinlock_t		mmap_offset_lock; /* guard mmap_offset */
 	int			mmap_offset;
 
-	u64			stats_counters[RXE_NUM_OF_COUNTERS];
+	atomic64_t		stats_counters[RXE_NUM_OF_COUNTERS];
 
 	struct rxe_port		port;
 	struct list_head	list;
 	struct crypto_shash	*tfm;
 };
 
-static inline void rxe_counter_inc(struct rxe_dev *rxe, enum rxe_counters cnt)
+static inline void rxe_counter_inc(struct rxe_dev *rxe, enum rxe_counters index)
 {
-	rxe->stats_counters[cnt]++;
+	atomic64_inc(&rxe->stats_counters[index]);
 }
 
 static inline struct rxe_dev *to_rdev(struct ib_device *dev)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 130/219] bpf/cpumap: make sure frame_size for build_skb is aligned if headroom isn't
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (120 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 129/219] IB/rxe: Make counters thread safe Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 131/219] regulator: tps65910: fix a missing check of return value Sasha Levin
                   ` (87 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jesper Dangaard Brouer, Daniel Borkmann, Sasha Levin, netdev, bpf

From: Jesper Dangaard Brouer <brouer@redhat.com>

[ Upstream commit 77ea5f4cbe2084db9ab021ba73fb7eadf1610884 ]

The frame_size passed to build_skb must be aligned, else it is
possible that the embedded struct skb_shared_info gets unaligned.

For correctness make sure that xdpf->headroom in included in the
alignment. No upstream drivers can hit this, as all XDP drivers provide
an aligned headroom.  This was discovered when playing with implementing
XDP support for mvneta, which have a 2 bytes DSA header, and this
Marvell ARM64 platform didn't like doing atomic operations on an
unaligned skb_shinfo(skb)->dataref addresses.

Fixes: 1c601d829ab0 ("bpf: cpumap xdp_buff to skb conversion and allocation")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/cpumap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 24aac0d0f4127..8974b3755670e 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -183,7 +183,7 @@ static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
 	 * is not at a fixed memory location, with mixed length
 	 * packets, which is bad for cache-line hotness.
 	 */
-	frame_size = SKB_DATA_ALIGN(xdpf->len) + xdpf->headroom +
+	frame_size = SKB_DATA_ALIGN(xdpf->len + xdpf->headroom) +
 		SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 
 	pkt_data_start = xdpf->data - xdpf->headroom;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 131/219] regulator: tps65910: fix a missing check of return value
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (121 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 130/219] bpf/cpumap: make sure frame_size for build_skb is aligned if headroom isn't Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 132/219] powerpc/83xx: handle machine check caused by watchdog timer Sasha Levin
                   ` (86 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, Mark Brown, Sasha Levin, linux-omap

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit cd07e3701fa6a4c68f8493ee1d12caa18d46ec6a ]

tps65910_reg_set_bits() may fail. The fix checks if it fails, and if so,
returns with its error code.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/regulator/tps65910-regulator.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 02ccdaa226a73..5ebb6ee73f077 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -1102,8 +1102,10 @@ static int tps65910_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pmic);
 
 	/* Give control of all register to control port */
-	tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL,
+	err = tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL,
 				DEVCTRL_SR_CTL_I2C_SEL_MASK);
+	if (err < 0)
+		return err;
 
 	switch (tps65910_chip_id(tps65910)) {
 	case TPS65910:
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 132/219] powerpc/83xx: handle machine check caused by watchdog timer
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (122 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 131/219] regulator: tps65910: fix a missing check of return value Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 133/219] powerpc/pseries: Fix node leak in update_lmb_associativity_index() Sasha Levin
                   ` (85 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, Scott Wood, Sasha Levin, linuxppc-dev

From: Christophe Leroy <christophe.leroy@c-s.fr>

[ Upstream commit 0deae39cec6dab3a66794f3e9e83ca4dc30080f1 ]

When the watchdog timer is set in interrupt mode, it causes a
machine check when it times out. The purpose of this mode is to
ease debugging, not to crash the kernel and reboot the machine.

This patch implements a special handling for that, in order to not
crash the kernel if the watchdog times out while in interrupt or
within the idle task.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[scottwood: added missing #include]
Signed-off-by: Scott Wood <oss@buserror.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/include/asm/cputable.h |  1 +
 arch/powerpc/include/asm/reg.h      |  2 ++
 arch/powerpc/kernel/cputable.c      | 10 ++++++----
 arch/powerpc/platforms/83xx/misc.c  | 17 +++++++++++++++++
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 3ce690e5f345c..59b35b93eadec 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -44,6 +44,7 @@ extern int machine_check_e500(struct pt_regs *regs);
 extern int machine_check_e200(struct pt_regs *regs);
 extern int machine_check_47x(struct pt_regs *regs);
 int machine_check_8xx(struct pt_regs *regs);
+int machine_check_83xx(struct pt_regs *regs);
 
 extern void cpu_down_flush_e500v2(void);
 extern void cpu_down_flush_e500mc(void);
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 640a4d818772a..af99716615122 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -768,6 +768,8 @@
 #define   SRR1_PROGTRAP		0x00020000 /* Trap */
 #define   SRR1_PROGADDR		0x00010000 /* SRR0 contains subsequent addr */
 
+#define   SRR1_MCE_MCP		0x00080000 /* Machine check signal caused interrupt */
+
 #define SPRN_HSRR0	0x13A	/* Save/Restore Register 0 */
 #define SPRN_HSRR1	0x13B	/* Save/Restore Register 1 */
 #define   HSRR1_DENORM		0x00100000 /* Denorm exception */
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 2da01340c84c3..1eab54bc6ee93 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1141,6 +1141,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_generic,
 		.platform		= "ppc603",
 	},
+#ifdef CONFIG_PPC_83xx
 	{	/* e300c1 (a 603e core, plus some) on 83xx */
 		.pvr_mask		= 0x7fff0000,
 		.pvr_value		= 0x00830000,
@@ -1151,7 +1152,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
 		.cpu_setup		= __setup_cpu_603,
-		.machine_check		= machine_check_generic,
+		.machine_check		= machine_check_83xx,
 		.platform		= "ppc603",
 	},
 	{	/* e300c2 (an e300c1 core, plus some, minus FPU) on 83xx */
@@ -1165,7 +1166,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
 		.cpu_setup		= __setup_cpu_603,
-		.machine_check		= machine_check_generic,
+		.machine_check		= machine_check_83xx,
 		.platform		= "ppc603",
 	},
 	{	/* e300c3 (e300c1, plus one IU, half cache size) on 83xx */
@@ -1179,7 +1180,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
 		.cpu_setup		= __setup_cpu_603,
-		.machine_check		= machine_check_generic,
+		.machine_check		= machine_check_83xx,
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e300",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
@@ -1196,12 +1197,13 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
 		.cpu_setup		= __setup_cpu_603,
-		.machine_check		= machine_check_generic,
+		.machine_check		= machine_check_83xx,
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e300",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
 		.platform		= "ppc603",
 	},
+#endif
 	{	/* default match, we assume split I/D cache & TB (non-601)... */
 		.pvr_mask		= 0x00000000,
 		.pvr_value		= 0x00000000,
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index d75c9816a5c92..2b6589fe812dd 100644
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -14,6 +14,7 @@
 #include <linux/of_platform.h>
 #include <linux/pci.h>
 
+#include <asm/debug.h>
 #include <asm/io.h>
 #include <asm/hw_irq.h>
 #include <asm/ipic.h>
@@ -150,3 +151,19 @@ void __init mpc83xx_setup_arch(void)
 
 	mpc83xx_setup_pci();
 }
+
+int machine_check_83xx(struct pt_regs *regs)
+{
+	u32 mask = 1 << (31 - IPIC_MCP_WDT);
+
+	if (!(regs->msr & SRR1_MCE_MCP) || !(ipic_get_mcp_status() & mask))
+		return machine_check_generic(regs);
+	ipic_clear_mcp_status(mask);
+
+	if (debugger_fault_handler(regs))
+		return 1;
+
+	die("Watchdog NMI Reset", regs, 0);
+
+	return 1;
+}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 133/219] powerpc/pseries: Fix node leak in update_lmb_associativity_index()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (123 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 132/219] powerpc/83xx: handle machine check caused by watchdog timer Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 134/219] powerpc: Fix HMIs on big-endian with CONFIG_RELOCATABLE=y Sasha Levin
                   ` (84 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Michael Ellerman, Sasha Levin, linuxppc-dev

From: Michael Ellerman <mpe@ellerman.id.au>

[ Upstream commit 47918bc68b7427e961035949cc1501a864578a69 ]

In update_lmb_associativity_index() we lookup dr_node using
of_find_node_by_path() which takes a reference for us. In the
non-error case we forget to drop the reference. Note that
find_aa_index() does modify properties of the node, but doesn't need
an extra reference held once it's returned.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/platforms/pseries/hotplug-memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index f99cd31b6fd1a..8a1c2c8963214 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -202,6 +202,7 @@ static u32 lookup_lmb_associativity_index(struct drmem_lmb *lmb)
 
 	aa_index = find_aa_index(dr_node, ala_prop, lmb_assoc);
 
+	of_node_put(dr_node);
 	dlpar_free_cc_nodes(lmb_node);
 	return aa_index;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 134/219] powerpc: Fix HMIs on big-endian with CONFIG_RELOCATABLE=y
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (124 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 133/219] powerpc/pseries: Fix node leak in update_lmb_associativity_index() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 135/219] crypto: mxc-scc - fix build warnings on ARM64 Sasha Levin
                   ` (83 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Benjamin Herrenschmidt, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

[ Upstream commit 505a314fb28ce122091691c51426fa85c084e115 ]

HMIs will crash the kernel due to

	BRANCH_LINK_TO_FAR(hmi_exception_realmode)

Calling into the OPD instead of the actual code.

Fixes: 2337d207288f ("powerpc/64: CONFIG_RELOCATABLE support for hmi interrupts")
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Use DOTSYM() rather than #ifdef]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/kernel/exceptions-64s.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 90af86f143a91..e1dab9b1e4478 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1123,7 +1123,7 @@ TRAMP_REAL_BEGIN(hmi_exception_early)
 	EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN)
 	EXCEPTION_PROLOG_COMMON_3(0xe60)
 	addi	r3,r1,STACK_FRAME_OVERHEAD
-	BRANCH_LINK_TO_FAR(hmi_exception_realmode) /* Function call ABI */
+	BRANCH_LINK_TO_FAR(DOTSYM(hmi_exception_realmode)) /* Function call ABI */
 	cmpdi	cr0,r3,0
 
 	/* Windup the stack. */
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 135/219] crypto: mxc-scc - fix build warnings on ARM64
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (125 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 134/219] powerpc: Fix HMIs on big-endian with CONFIG_RELOCATABLE=y Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 136/219] MIPS: BCM63XX: fix switch core reset on BCM6368 Sasha Levin
                   ` (82 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Fabio Estevam, Herbert Xu, Sasha Levin, linux-crypto

From: Fabio Estevam <festevam@gmail.com>

[ Upstream commit 2326828ee40357b3d2b1359b8ca7526af201495b ]

The following build warnings are seen when building for ARM64 allmodconfig:

drivers/crypto/mxc-scc.c:181:20: warning: format '%d' expects argument of type 'int', but argument 5 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
drivers/crypto/mxc-scc.c:186:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
drivers/crypto/mxc-scc.c:277:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
drivers/crypto/mxc-scc.c:339:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
drivers/crypto/mxc-scc.c:340:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

Fix them by using the %zu specifier to print a size_t variable and using
a plain %x to print the result of a readl().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/crypto/mxc-scc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/mxc-scc.c b/drivers/crypto/mxc-scc.c
index e01c46387df8d..519086730791b 100644
--- a/drivers/crypto/mxc-scc.c
+++ b/drivers/crypto/mxc-scc.c
@@ -178,12 +178,12 @@ static int mxc_scc_get_data(struct mxc_scc_ctx *ctx,
 	else
 		from = scc->black_memory;
 
-	dev_dbg(scc->dev, "pcopy: from 0x%p %d bytes\n", from,
+	dev_dbg(scc->dev, "pcopy: from 0x%p %zu bytes\n", from,
 		ctx->dst_nents * 8);
 	len = sg_pcopy_from_buffer(ablkreq->dst, ctx->dst_nents,
 				   from, ctx->size, ctx->offset);
 	if (!len) {
-		dev_err(scc->dev, "pcopy err from 0x%p (len=%d)\n", from, len);
+		dev_err(scc->dev, "pcopy err from 0x%p (len=%zu)\n", from, len);
 		return -EINVAL;
 	}
 
@@ -274,7 +274,7 @@ static int mxc_scc_put_data(struct mxc_scc_ctx *ctx,
 	len = sg_pcopy_to_buffer(req->src, ctx->src_nents,
 				 to, len, ctx->offset);
 	if (!len) {
-		dev_err(scc->dev, "pcopy err to 0x%p (len=%d)\n", to, len);
+		dev_err(scc->dev, "pcopy err to 0x%p (len=%zu)\n", to, len);
 		return -EINVAL;
 	}
 
@@ -335,9 +335,9 @@ static void mxc_scc_ablkcipher_next(struct mxc_scc_ctx *ctx,
 		return;
 	}
 
-	dev_dbg(scc->dev, "Start encryption (0x%p/0x%p)\n",
-		(void *)readl(scc->base + SCC_SCM_RED_START),
-		(void *)readl(scc->base + SCC_SCM_BLACK_START));
+	dev_dbg(scc->dev, "Start encryption (0x%x/0x%x)\n",
+		readl(scc->base + SCC_SCM_RED_START),
+		readl(scc->base + SCC_SCM_BLACK_START));
 
 	/* clear interrupt control registers */
 	writel(SCC_SCM_INTR_CTRL_CLR_INTR,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 136/219] MIPS: BCM63XX: fix switch core reset on BCM6368
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (126 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 135/219] crypto: mxc-scc - fix build warnings on ARM64 Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 137/219] pwm: clps711x: Fix period calculation Sasha Levin
                   ` (81 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jonas Gorski, Paul Burton, linux-mips, Ralf Baechle, James Hogan,
	Florian Fainelli, Sasha Levin, linux-arm-kernel

From: Jonas Gorski <jonas.gorski@gmail.com>

[ Upstream commit 8a38dacf87180738d42b058334c951eba15d2d47 ]

The Ethernet Switch core mask was set to 0, causing the switch core to
be not reset on BCM6368 on boot. Provide the proper mask so the switch
core gets reset to a known good state.

Fixes: 799faa626c71 ("MIPS: BCM63XX: add core reset helper")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/bcm63xx/reset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/bcm63xx/reset.c b/arch/mips/bcm63xx/reset.c
index a2af38cf28a70..64574e74cb236 100644
--- a/arch/mips/bcm63xx/reset.c
+++ b/arch/mips/bcm63xx/reset.c
@@ -120,7 +120,7 @@
 #define BCM6368_RESET_DSL	0
 #define BCM6368_RESET_SAR	SOFTRESET_6368_SAR_MASK
 #define BCM6368_RESET_EPHY	SOFTRESET_6368_EPHY_MASK
-#define BCM6368_RESET_ENETSW	0
+#define BCM6368_RESET_ENETSW	SOFTRESET_6368_ENETSW_MASK
 #define BCM6368_RESET_PCM	SOFTRESET_6368_PCM_MASK
 #define BCM6368_RESET_MPI	SOFTRESET_6368_MPI_MASK
 #define BCM6368_RESET_PCIE	0
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 137/219] pwm: clps711x: Fix period calculation
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (127 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 136/219] MIPS: BCM63XX: fix switch core reset on BCM6368 Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 138/219] net/netlink_compat: Fix a missing check of nla_parse_nested Sasha Levin
                   ` (80 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexander Shiyan, Thierry Reding, Sasha Levin, linux-pwm,
	linux-arm-kernel

From: Alexander Shiyan <shc_work@mail.ru>

[ Upstream commit b0f17570b8203c22f139459c86cfbaa0311313ed ]

Commit e39c0df1be5a ("pwm: Introduce the pwm_args concept") has
changed the variable for the period for clps711x-pwm driver, so now
pwm_get/set_period() works with pwm->state.period variable instead
of pwm->args.period.
This patch changes the period variable in other places where it is used.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-clps711x.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c
index 26ec24e457b12..7e16b7def0dcb 100644
--- a/drivers/pwm/pwm-clps711x.c
+++ b/drivers/pwm/pwm-clps711x.c
@@ -48,7 +48,7 @@ static void clps711x_pwm_update_val(struct clps711x_chip *priv, u32 n, u32 v)
 static unsigned int clps711x_get_duty(struct pwm_device *pwm, unsigned int v)
 {
 	/* Duty cycle 0..15 max */
-	return DIV_ROUND_CLOSEST(v * 0xf, pwm_get_period(pwm));
+	return DIV_ROUND_CLOSEST(v * 0xf, pwm->args.period);
 }
 
 static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -71,7 +71,7 @@ static int clps711x_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	struct clps711x_chip *priv = to_clps711x_chip(chip);
 	unsigned int duty;
 
-	if (period_ns != pwm_get_period(pwm))
+	if (period_ns != pwm->args.period)
 		return -EINVAL;
 
 	duty = clps711x_get_duty(pwm, duty_ns);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 138/219] net/netlink_compat: Fix a missing check of nla_parse_nested
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (128 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 137/219] pwm: clps711x: Fix period calculation Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 139/219] net/net_namespace: Check the return value of register_pernet_subsys() Sasha Levin
                   ` (79 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aditya Pakki, David S . Miller, Sasha Levin, netdev, tipc-discussion

From: Aditya Pakki <pakki001@umn.edu>

[ Upstream commit 89dfd0083751d00d5d7ead36f6d8b045bf89c5e1 ]

In tipc_nl_compat_sk_dump(), if nla_parse_nested() fails, it could return
an error. To be consistent with other invocations of the function call,
on error, the fix passes the return value upstream.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/tipc/netlink_compat.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 318c541970ecd..6494d6b5e1b24 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -1030,8 +1030,11 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg,
 		u32 node;
 		struct nlattr *con[TIPC_NLA_CON_MAX + 1];
 
-		nla_parse_nested(con, TIPC_NLA_CON_MAX,
-				 sock[TIPC_NLA_SOCK_CON], NULL, NULL);
+		err = nla_parse_nested(con, TIPC_NLA_CON_MAX,
+				       sock[TIPC_NLA_SOCK_CON], NULL, NULL);
+
+		if (err)
+			return err;
 
 		node = nla_get_u32(con[TIPC_NLA_CON_NODE]);
 		tipc_tlv_sprintf(msg->rep, "  connected to <%u.%u.%u:%u>",
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 139/219] net/net_namespace: Check the return value of register_pernet_subsys()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (129 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 138/219] net/netlink_compat: Fix a missing check of nla_parse_nested Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 140/219] libceph: drop last_piece logic from write_partial_message_data() Sasha Levin
                   ` (78 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aditya Pakki, Kirill Tkhai, David S . Miller, Sasha Levin, netdev

From: Aditya Pakki <pakki001@umn.edu>

[ Upstream commit 0eb987c874dc93f9c9d85a6465dbde20fdd3884c ]

In net_ns_init(), register_pernet_subsys() could fail while registering
network namespace subsystems. The fix checks the return value and
sends a panic() on failure.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/net_namespace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 6dab186d4b8f6..c60123dff8039 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -913,7 +913,8 @@ static int __init net_ns_init(void)
 	init_net_initialized = true;
 	up_write(&pernet_ops_rwsem);
 
-	register_pernet_subsys(&net_ns_ops);
+	if (register_pernet_subsys(&net_ns_ops))
+		panic("Could not register network namespace subsystems");
 
 	rtnl_register(PF_UNSPEC, RTM_NEWNSID, rtnl_net_newid, NULL,
 		      RTNL_FLAG_DOIT_UNLOCKED);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 140/219] libceph: drop last_piece logic from write_partial_message_data()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (130 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 139/219] net/net_namespace: Check the return value of register_pernet_subsys() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22 14:00   ` Ilya Dryomov
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 141/219] f2fs: fix block address for __check_sit_bitmap Sasha Levin
                   ` (77 subsequent siblings)
  209 siblings, 1 reply; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ilya Dryomov, Sasha Levin, ceph-devel, netdev

From: Ilya Dryomov <idryomov@gmail.com>

[ Upstream commit 1f6b821aef78e3d79e8d598ae59fc7e23fb6c563 ]

last_piece is for the last piece in the current data item, not in the
entire data payload of the message.  This is harmful for messages with
multiple data items.  On top of that, we don't need to signal the end
of a data payload either because it is always followed by a footer.

We used to signal "more" unconditionally, until commit fe38a2b67bc6
("libceph: start defining message data cursor").  Part of a large
series, it introduced cursor->last_piece and also mistakenly inverted
the hint by passing last_piece for "more".  This was corrected with
commit c2cfa1940097 ("libceph: Fix ceph_tcp_sendpage()'s more boolean
usage").

As it is, last_piece is not helping at all: because Nagle algorithm is
disabled, for a simple message with two 512-byte data items we end up
emitting three packets: front + first data item, second data item and
footer.  Go back to the original pre-fe38a2b67bc6 behavior -- a single
packet in most cases.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ceph/messenger.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index f7d7f32ac673c..6514816947fbe 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1612,7 +1612,6 @@ static int write_partial_message_data(struct ceph_connection *con)
 		struct page *page;
 		size_t page_offset;
 		size_t length;
-		bool last_piece;
 		int ret;
 
 		if (!cursor->resid) {
@@ -1620,10 +1619,9 @@ static int write_partial_message_data(struct ceph_connection *con)
 			continue;
 		}
 
-		page = ceph_msg_data_next(cursor, &page_offset, &length,
-					  &last_piece);
-		ret = ceph_tcp_sendpage(con->sock, page, page_offset,
-					length, !last_piece);
+		page = ceph_msg_data_next(cursor, &page_offset, &length, NULL);
+		ret = ceph_tcp_sendpage(con->sock, page, page_offset, length,
+					true);
 		if (ret <= 0) {
 			if (do_datacrc)
 				msg->footer.data_crc = cpu_to_le32(crc);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 141/219] f2fs: fix block address for __check_sit_bitmap
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (131 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 140/219] libceph: drop last_piece logic from write_partial_message_data() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 142/219] f2fs: fix to dirty inode synchronously Sasha Levin
                   ` (76 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Qiuyang Sun, Chao Yu, Jaegeuk Kim, Sasha Levin, linux-f2fs-devel

From: Qiuyang Sun <sunqiuyang@huawei.com>

[ Upstream commit 9249dded7b5cb539a8c8698b25d08a3c15261470 ]

Should use lstart (logical start address) instead of start (in dev) here.
This fixes a bug in multi-device scenarios.

Signed-off-by: Qiuyang Sun <sunqiuyang@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/segment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 10d5dcdb34be6..01cb87b12d40b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1101,7 +1101,7 @@ static int __submit_discard_cmd(struct f2fs_sb_info *sbi,
 		list_move_tail(&dc->list, wait_list);
 
 		/* sanity check on discard range */
-		__check_sit_bitmap(sbi, start, start + len);
+		__check_sit_bitmap(sbi, lstart, lstart + len);
 
 		bio->bi_private = dc;
 		bio->bi_end_io = f2fs_submit_discard_endio;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 142/219] f2fs: fix to dirty inode synchronously
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (132 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 141/219] f2fs: fix block address for __check_sit_bitmap Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 143/219] um: Include sys/uio.h to have writev() Sasha Levin
                   ` (75 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chao Yu, Jaegeuk Kim, Sasha Levin, linux-f2fs-devel

From: Chao Yu <yuchao0@huawei.com>

[ Upstream commit b32e019049e959ee10ec359893c9dd5d057dad55 ]

If user change inode's i_flags via ioctl, let's add it into global
dirty list, so that checkpoint can guarantee its persistence before
fsync, it can make checkpoint keeping strong consistency.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 8d1eb8dec6058..7a5e84cfccf5e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1668,7 +1668,7 @@ static int __f2fs_ioc_setflags(struct inode *inode, unsigned int flags)
 
 	inode->i_ctime = current_time(inode);
 	f2fs_set_inode_flags(inode);
-	f2fs_mark_inode_dirty_sync(inode, false);
+	f2fs_mark_inode_dirty_sync(inode, true);
 	return 0;
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 143/219] um: Include sys/uio.h to have writev()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (133 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 142/219] f2fs: fix to dirty inode synchronously Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 144/219] um: Make GCOV depend on !KCOV Sasha Levin
                   ` (74 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Richard Weinberger, Sasha Levin, linux-um

From: Richard Weinberger <richard@nod.at>

[ Upstream commit 0053102a869f1b909904b1b85ac282e2744deaab ]

sys/uio.h gives us writev(), otherwise the build might fail on
some systems.

Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/um/drivers/vector_user.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/drivers/vector_user.c b/arch/um/drivers/vector_user.c
index 4d6a78e31089f..00c4c2735a5f7 100644
--- a/arch/um/drivers/vector_user.c
+++ b/arch/um/drivers/vector_user.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <os.h>
 #include <um_malloc.h>
+#include <sys/uio.h>
 #include "vector_user.h"
 
 #define ID_GRE 0
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 144/219] um: Make GCOV depend on !KCOV
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (134 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 143/219] um: Include sys/uio.h to have writev() Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 145/219] net: (cpts) fix a missing check of clk_prepare Sasha Levin
                   ` (73 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Richard Weinberger, Sasha Levin, linux-um

From: Richard Weinberger <richard@nod.at>

[ Upstream commit 550ed0e2036663b35cec12374b835444f9c60454 ]

Both do more or less the same thing and are mutually exclusive.
If both are enabled the build will fail.
Sooner or later we can kill UML's GCOV.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/um/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index 2014597605ea9..85726eeec3451 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -16,6 +16,7 @@ config GPROF
 config GCOV
 	bool "Enable gcov support"
 	depends on DEBUG_INFO
+	depends on !KCOV
 	help
 	  This option allows developers to retrieve coverage data from a UML
 	  session.
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 145/219] net: (cpts) fix a missing check of clk_prepare
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (135 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 144/219] um: Make GCOV depend on !KCOV Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 146/219] net: stmicro: " Sasha Levin
                   ` (72 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit 2d822f2dbab7f4c820f72eb8570aacf3f35855bd ]

clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/ti/cpts.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index b96b93c686bf1..4f644ac314fe8 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -572,7 +572,9 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs,
 		return ERR_CAST(cpts->refclk);
 	}
 
-	clk_prepare(cpts->refclk);
+	ret = clk_prepare(cpts->refclk);
+	if (ret)
+		return ERR_PTR(ret);
 
 	cpts->cc.read = cpts_systim_read;
 	cpts->cc.mask = CLOCKSOURCE_MASK(32);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 146/219] net: stmicro: fix a missing check of clk_prepare
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (136 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 145/219] net: (cpts) fix a missing check of clk_prepare Sasha Levin
@ 2019-11-22  5:47 ` " Sasha Levin
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 147/219] net: dsa: bcm_sf2: Propagate error value from mdio_write Sasha Levin
                   ` (71 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev,
	linux-arm-kernel, linux-stm32

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit f86a3b83833e7cfe558ca4d70b64ebc48903efec ]

clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index d07520fb969e6..62ccbd47c1db2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -59,7 +59,9 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv)
 		gmac->clk_enabled = 1;
 	} else {
 		clk_set_rate(gmac->tx_clk, SUN7I_GMAC_MII_RATE);
-		clk_prepare(gmac->tx_clk);
+		ret = clk_prepare(gmac->tx_clk);
+		if (ret)
+			return ret;
 	}
 
 	return 0;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 147/219] net: dsa: bcm_sf2: Propagate error value from mdio_write
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (137 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 146/219] net: stmicro: " Sasha Levin
@ 2019-11-22  5:47 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 148/219] atl1e: checking the status of atl1e_write_phy_reg Sasha Levin
                   ` (70 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:47 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit e49505f7255be8ced695919c08a29bf2c3d79616 ]

Both bcm_sf2_sw_indir_rw and mdiobus_write_nested could fail, so let's
return their error codes upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/bcm_sf2.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index ca3655d28e00f..1ffdad278899f 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -309,11 +309,10 @@ static int bcm_sf2_sw_mdio_write(struct mii_bus *bus, int addr, int regnum,
 	 * send them to our master MDIO bus controller
 	 */
 	if (addr == BRCM_PSEUDO_PHY_ADDR && priv->indir_phy_mask & BIT(addr))
-		bcm_sf2_sw_indir_rw(priv, 0, addr, regnum, val);
+		return bcm_sf2_sw_indir_rw(priv, 0, addr, regnum, val);
 	else
-		mdiobus_write_nested(priv->master_mii_bus, addr, regnum, val);
-
-	return 0;
+		return mdiobus_write_nested(priv->master_mii_bus, addr,
+				regnum, val);
 }
 
 static irqreturn_t bcm_sf2_switch_0_isr(int irq, void *dev_id)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 148/219] atl1e: checking the status of atl1e_write_phy_reg
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (138 preceding siblings ...)
  2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 147/219] net: dsa: bcm_sf2: Propagate error value from mdio_write Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 149/219] tipc: fix a missing check of genlmsg_put Sasha Levin
                   ` (69 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit ff07d48d7bc0974d4f96a85a4df14564fb09f1ef ]

atl1e_write_phy_reg() could fail. The fix issues an error message when
it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 9dc6da039a6d9..3164aad29bcf8 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -473,7 +473,9 @@ static void atl1e_mdio_write(struct net_device *netdev, int phy_id,
 {
 	struct atl1e_adapter *adapter = netdev_priv(netdev);
 
-	atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
+	if (atl1e_write_phy_reg(&adapter->hw,
+				reg_num & MDIO_REG_ADDR_MASK, val))
+		netdev_err(netdev, "write phy register failed\n");
 }
 
 static int atl1e_mii_ioctl(struct net_device *netdev,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 149/219] tipc: fix a missing check of genlmsg_put
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (139 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 148/219] atl1e: checking the status of atl1e_write_phy_reg Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 150/219] net: marvell: fix a missing check of acpi_match_device Sasha Levin
                   ` (68 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev, tipc-discussion

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit 46273cf7e009231d2b6bc10a926e82b8928a9fb2 ]

genlmsg_put could fail. The fix inserts a check of its return value, and
if it fails, returns -EMSGSIZE.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/tipc/netlink_compat.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 6494d6b5e1b24..fab0384d2b4b3 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -983,6 +983,8 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
 
 	hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
 			  TIPC_NL_PUBL_GET);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	nest = nla_nest_start(args, TIPC_NLA_SOCK);
 	if (!nest) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 150/219] net: marvell: fix a missing check of acpi_match_device
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (140 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 149/219] tipc: fix a missing check of genlmsg_put Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 151/219] net/wan/fsl_ucc_hdlc: Avoid double free in ucc_hdlc_probe() Sasha Levin
                   ` (67 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kangjie Lu, David S . Miller, Sasha Levin, netdev

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit 92ee77d148bf06d8c52664be4d1b862583fd5c0e ]

When acpi_match_device fails, its return value is NULL. Directly using
the return value without a check may result in a NULL-pointer
dereference. The fix checks if acpi_match_device fails, and if so,
returns -EINVAL.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 9b608d23ff7ee..9d95add05e3e6 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -5131,6 +5131,8 @@ static int mvpp2_probe(struct platform_device *pdev)
 	if (has_acpi_companion(&pdev->dev)) {
 		acpi_id = acpi_match_device(pdev->dev.driver->acpi_match_table,
 					    &pdev->dev);
+		if (!acpi_id)
+			return -EINVAL;
 		priv->hw_version = (unsigned long)acpi_id->driver_data;
 	} else {
 		priv->hw_version =
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 151/219] net/wan/fsl_ucc_hdlc: Avoid double free in ucc_hdlc_probe()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (141 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 150/219] net: marvell: fix a missing check of acpi_match_device Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 152/219] ocfs2: clear journal dirty flag after shutdown journal Sasha Levin
                   ` (66 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Wen Yang, Peng Hao, Zhao Qiang, David S. Miller, netdev,
	linuxppc-dev, Sasha Levin

From: Wen Yang <wen.yang99@zte.com.cn>

[ Upstream commit 40752b3eae29f8ca2378e978a02bd6dbeeb06d16 ]

This patch fixes potential double frees if register_hdlc_device() fails.

Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Peng Hao <peng.hao2@zte.com.cn>
CC: Zhao Qiang <qiang.zhao@nxp.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wan/fsl_ucc_hdlc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 5f0366a125e26..0212f576a838c 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1113,7 +1113,6 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
 	if (register_hdlc_device(dev)) {
 		ret = -ENOBUFS;
 		pr_err("ucc_hdlc: unable to register hdlc device\n");
-		free_netdev(dev);
 		goto free_dev;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 152/219] ocfs2: clear journal dirty flag after shutdown journal
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (142 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 151/219] net/wan/fsl_ucc_hdlc: Avoid double free in ucc_hdlc_probe() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 153/219] vmscan: return NODE_RECLAIM_NOSCAN in node_reclaim() when CONFIG_NUMA is n Sasha Levin
                   ` (65 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Junxiao Bi, Yiwen Jiang, Joseph Qi, Jun Piao, Changwei Ge,
	Joel Becker, Mark Fasheh, Andrew Morton, Linus Torvalds,
	Sasha Levin, ocfs2-devel

From: Junxiao Bi <junxiao.bi@oracle.com>

[ Upstream commit d85400af790dba2aa294f0a77e712f166681f977 ]

Dirty flag of the journal should be cleared at the last stage of umount,
if do it before jbd2_journal_destroy(), then some metadata in uncommitted
transaction could be lost due to io error, but as dirty flag of journal
was already cleared, we can't find that until run a full fsck.  This may
cause system panic or other corruption.

Link: http://lkml.kernel.org/r/20181121020023.3034-3-junxiao.bi@oracle.com
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@versity.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/ocfs2/journal.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index c492cbb2410f6..4c7e9b8dca316 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1018,7 +1018,8 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
 			mlog_errno(status);
 	}
 
-	if (status == 0) {
+	/* Shutdown the kernel journal system */
+	if (!jbd2_journal_destroy(journal->j_journal) && !status) {
 		/*
 		 * Do not toggle if flush was unsuccessful otherwise
 		 * will leave dirty metadata in a "clean" journal
@@ -1027,9 +1028,6 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
 		if (status < 0)
 			mlog_errno(status);
 	}
-
-	/* Shutdown the kernel journal system */
-	jbd2_journal_destroy(journal->j_journal);
 	journal->j_journal = NULL;
 
 	OCFS2_I(inode)->ip_open_count--;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 153/219] vmscan: return NODE_RECLAIM_NOSCAN in node_reclaim() when CONFIG_NUMA is n
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (143 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 152/219] ocfs2: clear journal dirty flag after shutdown journal Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 154/219] mm/page_alloc.c: free order-0 pages through PCP in page_frag_free() Sasha Levin
                   ` (64 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Wei Yang, Michal Hocko, Matthew Wilcox, Mel Gorman,
	Andrew Morton, Linus Torvalds, Sasha Levin, linux-mm

From: Wei Yang <richard.weiyang@gmail.com>

[ Upstream commit 8b09549c2bfd9f3f8f4cdad74107ef4f4ff9cdd7 ]

Commit fa5e084e43eb ("vmscan: do not unconditionally treat zones that
fail zone_reclaim() as full") changed the return value of
node_reclaim().  The original return value 0 means NODE_RECLAIM_SOME
after this commit.

While the return value of node_reclaim() when CONFIG_NUMA is n is not
changed.  This will leads to call zone_watermark_ok() again.

This patch fixes the return value by adjusting to NODE_RECLAIM_NOSCAN.
Since node_reclaim() is only called in page_alloc.c, move it to
mm/internal.h.

Link: http://lkml.kernel.org/r/20181113080436.22078-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/swap.h |  6 ------
 mm/internal.h        | 10 ++++++++++
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7bd0a6f2ac2b0..ee8f9f554a9e1 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -371,14 +371,8 @@ extern unsigned long vm_total_pages;
 extern int node_reclaim_mode;
 extern int sysctl_min_unmapped_ratio;
 extern int sysctl_min_slab_ratio;
-extern int node_reclaim(struct pglist_data *, gfp_t, unsigned int);
 #else
 #define node_reclaim_mode 0
-static inline int node_reclaim(struct pglist_data *pgdat, gfp_t mask,
-				unsigned int order)
-{
-	return 0;
-}
 #endif
 
 extern int page_evictable(struct page *page);
diff --git a/mm/internal.h b/mm/internal.h
index 87256ae1bef86..397183c8fe47b 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -444,6 +444,16 @@ static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn,
 #define NODE_RECLAIM_SOME	0
 #define NODE_RECLAIM_SUCCESS	1
 
+#ifdef CONFIG_NUMA
+extern int node_reclaim(struct pglist_data *, gfp_t, unsigned int);
+#else
+static inline int node_reclaim(struct pglist_data *pgdat, gfp_t mask,
+				unsigned int order)
+{
+	return NODE_RECLAIM_NOSCAN;
+}
+#endif
+
 extern int hwpoison_filter(struct page *p);
 
 extern u32 hwpoison_filter_dev_major;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 154/219] mm/page_alloc.c: free order-0 pages through PCP in page_frag_free()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (144 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 153/219] vmscan: return NODE_RECLAIM_NOSCAN in node_reclaim() when CONFIG_NUMA is n Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 155/219] mm/page_alloc.c: use a single function to free page Sasha Levin
                   ` (63 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aaron Lu, Pawel Staszewski, Jesper Dangaard Brouer,
	Vlastimil Babka, Mel Gorman, Ilias Apalodimas, Alexander Duyck,
	Tariq Toukan, Pankaj gupta, Andrew Morton, Linus Torvalds,
	Sasha Levin, linux-mm

From: Aaron Lu <aaron.lu@intel.com>

[ Upstream commit 65895b67ad27df0f62bfaf82dd5622f95ea29196 ]

page_frag_free() calls __free_pages_ok() to free the page back to Buddy.
This is OK for high order page, but for order-0 pages, it misses the
optimization opportunity of using Per-Cpu-Pages and can cause zone lock
contention when called frequently.

Pawel Staszewski recently shared his result of 'how Linux kernel handles
normal traffic'[1] and from perf data, Jesper Dangaard Brouer found the
lock contention comes from page allocator:

  mlx5e_poll_tx_cq
  |
   --16.34%--napi_consume_skb
             |
             |--12.65%--__free_pages_ok
             |          |
             |           --11.86%--free_one_page
             |                     |
             |                     |--10.10%--queued_spin_lock_slowpath
             |                     |
             |                      --0.65%--_raw_spin_lock
             |
             |--1.55%--page_frag_free
             |
              --1.44%--skb_release_data

Jesper explained how it happened: mlx5 driver RX-page recycle mechanism is
not effective in this workload and pages have to go through the page
allocator.  The lock contention happens during mlx5 DMA TX completion
cycle.  And the page allocator cannot keep up at these speeds.[2]

I thought that __free_pages_ok() are mostly freeing high order pages and
thought this is an lock contention for high order pages but Jesper
explained in detail that __free_pages_ok() here are actually freeing
order-0 pages because mlx5 is using order-0 pages to satisfy its page pool
allocation request.[3]

The free path as pointed out by Jesper is:
skb_free_head()
  -> skb_free_frag()
    -> page_frag_free()
And the pages being freed on this path are order-0 pages.

Fix this by doing similar things as in __page_frag_cache_drain() - send
the being freed page to PCP if it's an order-0 page, or directly to Buddy
if it is a high order page.

With this change, Paweł hasn't noticed lock contention yet in his
workload and Jesper has noticed a 7% performance improvement using a micro
benchmark and lock contention is gone.  Ilias' test on a 'low' speed 1Gbit
interface on an cortex-a53 shows ~11% performance boost testing with
64byte packets and __free_pages_ok() disappeared from perf top.

[1]: https://www.spinics.net/lists/netdev/msg531362.html
[2]: https://www.spinics.net/lists/netdev/msg531421.html
[3]: https://www.spinics.net/lists/netdev/msg531556.html

[akpm@linux-foundation.org: add comment]
Link: http://lkml.kernel.org/r/20181120014544.GB10657@intel.com
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Reported-by: Pawel Staszewski <pstaszewski@itcare.pl>
Analysed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Pankaj gupta <pagupta@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 mm/page_alloc.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b34348a41bfed..dcc46d955df2e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4581,8 +4581,14 @@ void page_frag_free(void *addr)
 {
 	struct page *page = virt_to_head_page(addr);
 
-	if (unlikely(put_page_testzero(page)))
-		__free_pages_ok(page, compound_order(page));
+	if (unlikely(put_page_testzero(page))) {
+		unsigned int order = compound_order(page);
+
+		if (order == 0)		/* Via pcp? */
+			free_unref_page(page);
+		else
+			__free_pages_ok(page, order);
+	}
 }
 EXPORT_SYMBOL(page_frag_free);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 155/219] mm/page_alloc.c: use a single function to free page
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (145 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 154/219] mm/page_alloc.c: free order-0 pages through PCP in page_frag_free() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 156/219] mm/page_alloc.c: deduplicate __memblock_free_early() and memblock_free() Sasha Levin
                   ` (62 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aaron Lu, Vlastimil Babka, Alexander Duyck, Ilias Apalodimas,
	Jesper Dangaard Brouer, Mel Gorman, Pankaj gupta,
	Pawel Staszewski, Tariq Toukan, Andrew Morton, Linus Torvalds,
	Sasha Levin, linux-mm

From: Aaron Lu <aaron.lu@intel.com>

[ Upstream commit 742aa7fb52c56fb3b307e704f93e67b698959cc2 ]

There are multiple places of freeing a page, they all do the same things
so a common function can be used to reduce code duplicate.

It also avoids bug fixed in one function but left in another.

Link: http://lkml.kernel.org/r/20181119134834.17765-3-aaron.lu@intel.com
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Pankaj gupta <pagupta@redhat.com>
Cc: Pawel Staszewski <pstaszewski@itcare.pl>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 mm/page_alloc.c | 37 ++++++++++++++-----------------------
 1 file changed, 14 insertions(+), 23 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index dcc46d955df2e..74fb5c338e8fb 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4451,16 +4451,19 @@ unsigned long get_zeroed_page(gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(get_zeroed_page);
 
-void __free_pages(struct page *page, unsigned int order)
+static inline void free_the_page(struct page *page, unsigned int order)
 {
-	if (put_page_testzero(page)) {
-		if (order == 0)
-			free_unref_page(page);
-		else
-			__free_pages_ok(page, order);
-	}
+	if (order == 0)		/* Via pcp? */
+		free_unref_page(page);
+	else
+		__free_pages_ok(page, order);
 }
 
+void __free_pages(struct page *page, unsigned int order)
+{
+	if (put_page_testzero(page))
+		free_the_page(page, order);
+}
 EXPORT_SYMBOL(__free_pages);
 
 void free_pages(unsigned long addr, unsigned int order)
@@ -4509,14 +4512,8 @@ void __page_frag_cache_drain(struct page *page, unsigned int count)
 {
 	VM_BUG_ON_PAGE(page_ref_count(page) == 0, page);
 
-	if (page_ref_sub_and_test(page, count)) {
-		unsigned int order = compound_order(page);
-
-		if (order == 0)
-			free_unref_page(page);
-		else
-			__free_pages_ok(page, order);
-	}
+	if (page_ref_sub_and_test(page, count))
+		free_the_page(page, compound_order(page));
 }
 EXPORT_SYMBOL(__page_frag_cache_drain);
 
@@ -4581,14 +4578,8 @@ void page_frag_free(void *addr)
 {
 	struct page *page = virt_to_head_page(addr);
 
-	if (unlikely(put_page_testzero(page))) {
-		unsigned int order = compound_order(page);
-
-		if (order == 0)		/* Via pcp? */
-			free_unref_page(page);
-		else
-			__free_pages_ok(page, order);
-	}
+	if (unlikely(put_page_testzero(page)))
+		free_the_page(page, compound_order(page));
 }
 EXPORT_SYMBOL(page_frag_free);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 156/219] mm/page_alloc.c: deduplicate __memblock_free_early() and memblock_free()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (146 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 155/219] mm/page_alloc.c: use a single function to free page Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 157/219] tools/vm/page-types.c: fix "kpagecount returned fewer pages than expected" failures Sasha Levin
                   ` (61 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Wentao Wang, Andrew Morton, Mike Rapoport, Linus Torvalds,
	Sasha Levin, linux-mm

From: Wentao Wang <witallwang@gmail.com>

[ Upstream commit d31cfe7bff9109476da92c245b56083e9b48d60a ]

Link: http://lkml.kernel.org/r/C8ECE1B7A767434691FEEFA3A01765D72AFB8E78@MX203CL03.corp.emc.com
Signed-off-by: Wentao Wang <witallwang@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 mm/memblock.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index 237944479d25a..bb4e32c6b19e9 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1537,12 +1537,7 @@ void * __init memblock_virt_alloc_try_nid(
  */
 void __init __memblock_free_early(phys_addr_t base, phys_addr_t size)
 {
-	phys_addr_t end = base + size - 1;
-
-	memblock_dbg("%s: [%pa-%pa] %pF\n",
-		     __func__, &base, &end, (void *)_RET_IP_);
-	kmemleak_free_part_phys(base, size);
-	memblock_remove_range(&memblock.reserved, base, size);
+	memblock_free(base, size);
 }
 
 /**
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 157/219] tools/vm/page-types.c: fix "kpagecount returned fewer pages than expected" failures
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (147 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 156/219] mm/page_alloc.c: deduplicate __memblock_free_early() and memblock_free() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 158/219] netfilter: nf_tables: fix a missing check of nla_put_failure Sasha Levin
                   ` (60 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Anthony Yznaga, Naoya Horiguchi, Vlastimil Babka, Matthew Wilcox,
	David Rientjes, Andrew Morton, Linus Torvalds, Sasha Levin

From: Anthony Yznaga <anthony.yznaga@oracle.com>

[ Upstream commit b6fb87b8e3ff1ef6bcf68470f24a97c984554d5a ]

Because kpagecount_read() fakes success if map counts are not being
collected, clamp the page count passed to it by walk_pfn() to the pages
value returned by the preceding call to kpageflags_read().

Link: http://lkml.kernel.org/r/1543962269-26116-1-git-send-email-anthony.yznaga@oracle.com
Fixes: 7f1d23e60718 ("tools/vm/page-types.c: include shared map counts")
Signed-off-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/vm/page-types.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index 37908a83ddc27..1ff3a6c0367b0 100644
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -701,7 +701,7 @@ static void walk_pfn(unsigned long voffset,
 		if (kpagecgroup_read(cgi, index, pages) != pages)
 			fatal("kpagecgroup returned fewer pages than expected");
 
-		if (kpagecount_read(cnt, index, batch) != pages)
+		if (kpagecount_read(cnt, index, pages) != pages)
 			fatal("kpagecount returned fewer pages than expected");
 
 		for (i = 0; i < pages; i++)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 158/219] netfilter: nf_tables: fix a missing check of nla_put_failure
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (148 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 157/219] tools/vm/page-types.c: fix "kpagecount returned fewer pages than expected" failures Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 159/219] xprtrdma: Prevent leak of rpcrdma_rep objects Sasha Levin
                   ` (59 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kangjie Lu, Pablo Neira Ayuso, Sasha Levin, netfilter-devel,
	coreteam, netdev

From: Kangjie Lu <kjlu@umn.edu>

[ Upstream commit eb8950861c1bfd3eecc8f6faad213e3bca0dc395 ]

If nla_nest_start() may fail. The fix checks its return value and goes
to nla_put_failure if it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_tables_api.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 24fddf0322790..4c1a88b7ba285 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5735,6 +5735,8 @@ static int nf_tables_fill_flowtable_info(struct sk_buff *skb, struct net *net,
 		goto nla_put_failure;
 
 	nest = nla_nest_start(skb, NFTA_FLOWTABLE_HOOK);
+	if (!nest)
+		goto nla_put_failure;
 	if (nla_put_be32(skb, NFTA_FLOWTABLE_HOOK_NUM, htonl(flowtable->hooknum)) ||
 	    nla_put_be32(skb, NFTA_FLOWTABLE_HOOK_PRIORITY, htonl(flowtable->priority)))
 		goto nla_put_failure;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 159/219] xprtrdma: Prevent leak of rpcrdma_rep objects
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (149 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 158/219] netfilter: nf_tables: fix a missing check of nla_put_failure Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 160/219] infiniband: bnxt_re: qplib: Check the return value of send_message Sasha Levin
                   ` (58 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Chuck Lever, Anna Schumaker, Sasha Levin, linux-nfs, netdev

From: Chuck Lever <chuck.lever@oracle.com>

[ Upstream commit 07e10308ee5da8e6132e0b737ece1c99dd651fb6 ]

If a reply has been processed but the RPC is later retransmitted
anyway, the req->rl_reply field still contains the only pointer to
the old rpcrdma rep. When the next reply comes in, the reply handler
will stomp on the rl_reply field, leaking the old rep.

A trace event is added to capture such leaks.

This problem seems to be worsened by the restructuring of the RPC
Call path in v4.20. Fully addressing this issue will require at
least a re-architecture of the disconnect logic, which is not
appropriate during -rc.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/trace/events/rpcrdma.h | 28 ++++++++++++++++++++++++++++
 net/sunrpc/xprtrdma/rpc_rdma.c |  4 ++++
 2 files changed, 32 insertions(+)

diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 53df203b8057a..4c91cadd1871d 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -917,6 +917,34 @@ TRACE_EVENT(xprtrdma_cb_setup,
 DEFINE_CB_EVENT(xprtrdma_cb_call);
 DEFINE_CB_EVENT(xprtrdma_cb_reply);
 
+TRACE_EVENT(xprtrdma_leaked_rep,
+	TP_PROTO(
+		const struct rpc_rqst *rqst,
+		const struct rpcrdma_rep *rep
+	),
+
+	TP_ARGS(rqst, rep),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, task_id)
+		__field(unsigned int, client_id)
+		__field(u32, xid)
+		__field(const void *, rep)
+	),
+
+	TP_fast_assign(
+		__entry->task_id = rqst->rq_task->tk_pid;
+		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
+		__entry->xid = be32_to_cpu(rqst->rq_xid);
+		__entry->rep = rep;
+	),
+
+	TP_printk("task:%u@%u xid=0x%08x rep=%p",
+		__entry->task_id, __entry->client_id, __entry->xid,
+		__entry->rep
+	)
+);
+
 /**
  ** Server-side RPC/RDMA events
  **/
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index c8ae983c6cc01..f2eaf264726be 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -1360,6 +1360,10 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *rep)
 	spin_unlock(&xprt->recv_lock);
 
 	req = rpcr_to_rdmar(rqst);
+	if (req->rl_reply) {
+		trace_xprtrdma_leaked_rep(rqst, req->rl_reply);
+		rpcrdma_recv_buffer_put(req->rl_reply);
+	}
 	req->rl_reply = rep;
 	rep->rr_rqst = rqst;
 	clear_bit(RPCRDMA_REQ_F_PENDING, &req->rl_flags);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 160/219] infiniband: bnxt_re: qplib: Check the return value of send_message
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (150 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 159/219] xprtrdma: Prevent leak of rpcrdma_rep objects Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 161/219] infiniband/qedr: Potential null ptr dereference of qp Sasha Levin
                   ` (57 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aditya Pakki, Devesh Sharma, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Aditya Pakki <pakki001@umn.edu>

[ Upstream commit 94edd87a1c59f3efa6fdf4e98d6d492e6cec6173 ]

In bnxt_qplib_map_tc2cos(), bnxt_qplib_rcfw_send_message() can return an
error value but it is lost. Propagate this error to the callers.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Acked-By: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/bnxt_re/qplib_sp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 4097f3fa25c5f..09e7d3dd30553 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -775,9 +775,8 @@ int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
 	req.cos0 = cpu_to_le16(cids[0]);
 	req.cos1 = cpu_to_le16(cids[1]);
 
-	bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
-				     0);
-	return 0;
+	return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
+						NULL, 0);
 }
 
 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 161/219] infiniband/qedr: Potential null ptr dereference of qp
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (151 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 160/219] infiniband: bnxt_re: qplib: Check the return value of send_message Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 162/219] firmware: arm_sdei: fix wrong of_node_put() in init function Sasha Levin
                   ` (56 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Aditya Pakki, Michal Kalderon, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Aditya Pakki <pakki001@umn.edu>

[ Upstream commit 9c6260de505b63638dd86fcc33849b17f6146d94 ]

idr_find() may fail and return a NULL pointer. The fix checks the return
value of the function and returns an error in case of NULL.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/qedr/qedr_iw_cm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
index 505fa36487629..93b16237b7677 100644
--- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
@@ -492,6 +492,8 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	int i;
 
 	qp = idr_find(&dev->qpidr.idr, conn_param->qpn);
+	if (unlikely(!qp))
+		return -EINVAL;
 
 	laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
 	raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 162/219] firmware: arm_sdei: fix wrong of_node_put() in init function
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (152 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 161/219] infiniband/qedr: Potential null ptr dereference of qp Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 163/219] firmware: arm_sdei: Fix DT platform device creation Sasha Levin
                   ` (55 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nicolas Saenz Julienne, James Morse, Will Deacon, Sasha Levin,
	linux-arm-kernel

From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

[ Upstream commit c3790b3799f8d75d93d26f6fd7bb569fc8c8b0cb ]

After finding a "firmware" dt node arm_sdei tries to match it's
compatible string with it. To do so it's calling of_find_matching_node()
which already takes care of decreasing the refcount on the "firmware"
node. We are then incorrectly decreasing the refcount on that node
again.

This patch removes the unwarranted call to of_node_put().

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/firmware/arm_sdei.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 1ea71640fdc21..dffb47c6b4801 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -1017,7 +1017,6 @@ static bool __init sdei_present_dt(void)
 		return false;
 
 	np = of_find_matching_node(fw_np, sdei_of_match);
-	of_node_put(fw_np);
 	if (!np)
 		return false;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 163/219] firmware: arm_sdei: Fix DT platform device creation
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (153 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 162/219] firmware: arm_sdei: fix wrong of_node_put() in init function Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 164/219] lib/genalloc.c: fix allocation of aligned buffer from non-aligned chunk Sasha Levin
                   ` (54 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: James Morse, Nicolas Saenz Julienne, Will Deacon, Sasha Levin,
	linux-arm-kernel

From: James Morse <james.morse@arm.com>

[ Upstream commit acafce48b07bf5f9994a38e7fe237193d43d092e ]

It turns out the dt-probing part of this wasn't tested properly after it
was merged. commit 3aa0582fdb82 ("of: platform: populate /firmware/ node
from of_platform_default_populate_init()") changed the core-code to
generate the platform devices, meaning the driver's attempt fails, and it
bails out.

Fix this by removing the manual platform-device creation for DT systems,
core code has always done this for us.

CC: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/firmware/arm_sdei.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index dffb47c6b4801..c64c7da738297 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -1009,7 +1009,6 @@ static struct platform_driver sdei_driver = {
 
 static bool __init sdei_present_dt(void)
 {
-	struct platform_device *pdev;
 	struct device_node *np, *fw_np;
 
 	fw_np = of_find_node_by_name(NULL, "firmware");
@@ -1019,11 +1018,7 @@ static bool __init sdei_present_dt(void)
 	np = of_find_matching_node(fw_np, sdei_of_match);
 	if (!np)
 		return false;
-
-	pdev = of_platform_device_create(np, sdei_driver.driver.name, NULL);
 	of_node_put(np);
-	if (!pdev)
-		return false;
 
 	return true;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 164/219] lib/genalloc.c: fix allocation of aligned buffer from non-aligned chunk
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (154 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 163/219] firmware: arm_sdei: Fix DT platform device creation Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 165/219] lib/genalloc.c: use vzalloc_node() to allocate the bitmap Sasha Levin
                   ` (53 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexey Skidanov, Andrew Morton, Logan Gunthorpe, Daniel Mentz,
	Mathieu Desnoyers, Laura Abbott, Linus Torvalds, Sasha Levin

From: Alexey Skidanov <alexey.skidanov@intel.com>

[ Upstream commit 52fbf1134d479234d7e64ba9dcbaea23405f229e ]

gen_pool_alloc_algo() uses different allocation functions implementing
different allocation algorithms.  With gen_pool_first_fit_align()
allocation function, the returned address should be aligned on the
requested boundary.

If chunk start address isn't aligned on the requested boundary, the
returned address isn't aligned too.  The only way to get properly
aligned address is to initialize the pool with chunks aligned on the
requested boundary.  If want to have an ability to allocate buffers
aligned on different boundaries (for example, 4K, 1MB, ...), the chunk
start address should be aligned on the max possible alignment.

This happens because gen_pool_first_fit_align() looks for properly
aligned memory block without taking into account the chunk start address
alignment.

To fix this, we provide chunk start address to
gen_pool_first_fit_align() and change its implementation such that it
starts looking for properly aligned block with appropriate offset
(exactly as is done in CMA).

Link: https://lkml.kernel.org/lkml/a170cf65-6884-3592-1de9-4c235888cc8a@intel.com
Link: http://lkml.kernel.org/r/1541690953-4623-1-git-send-email-alexey.skidanov@intel.com
Signed-off-by: Alexey Skidanov <alexey.skidanov@intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Laura Abbott <labbott@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/genalloc.h | 13 +++++++------
 lib/genalloc.c           | 20 ++++++++++++--------
 2 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
index 872f930f1b06d..dd0a452373e71 100644
--- a/include/linux/genalloc.h
+++ b/include/linux/genalloc.h
@@ -51,7 +51,8 @@ typedef unsigned long (*genpool_algo_t)(unsigned long *map,
 			unsigned long size,
 			unsigned long start,
 			unsigned int nr,
-			void *data, struct gen_pool *pool);
+			void *data, struct gen_pool *pool,
+			unsigned long start_addr);
 
 /*
  *  General purpose special memory pool descriptor.
@@ -131,24 +132,24 @@ extern void gen_pool_set_algo(struct gen_pool *pool, genpool_algo_t algo,
 
 extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool);
+		struct gen_pool *pool, unsigned long start_addr);
 
 extern unsigned long gen_pool_fixed_alloc(unsigned long *map,
 		unsigned long size, unsigned long start, unsigned int nr,
-		void *data, struct gen_pool *pool);
+		void *data, struct gen_pool *pool, unsigned long start_addr);
 
 extern unsigned long gen_pool_first_fit_align(unsigned long *map,
 		unsigned long size, unsigned long start, unsigned int nr,
-		void *data, struct gen_pool *pool);
+		void *data, struct gen_pool *pool, unsigned long start_addr);
 
 
 extern unsigned long gen_pool_first_fit_order_align(unsigned long *map,
 		unsigned long size, unsigned long start, unsigned int nr,
-		void *data, struct gen_pool *pool);
+		void *data, struct gen_pool *pool, unsigned long start_addr);
 
 extern unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool);
+		struct gen_pool *pool, unsigned long start_addr);
 
 
 extern struct gen_pool *devm_gen_pool_create(struct device *dev,
diff --git a/lib/genalloc.c b/lib/genalloc.c
index ca06adc4f4451..5deb25c40a5a1 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -311,7 +311,7 @@ unsigned long gen_pool_alloc_algo(struct gen_pool *pool, size_t size,
 		end_bit = chunk_size(chunk) >> order;
 retry:
 		start_bit = algo(chunk->bits, end_bit, start_bit,
-				 nbits, data, pool);
+				 nbits, data, pool, chunk->start_addr);
 		if (start_bit >= end_bit)
 			continue;
 		remain = bitmap_set_ll(chunk->bits, start_bit, nbits);
@@ -525,7 +525,7 @@ EXPORT_SYMBOL(gen_pool_set_algo);
  */
 unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool)
+		struct gen_pool *pool, unsigned long start_addr)
 {
 	return bitmap_find_next_zero_area(map, size, start, nr, 0);
 }
@@ -543,16 +543,19 @@ EXPORT_SYMBOL(gen_pool_first_fit);
  */
 unsigned long gen_pool_first_fit_align(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool)
+		struct gen_pool *pool, unsigned long start_addr)
 {
 	struct genpool_data_align *alignment;
-	unsigned long align_mask;
+	unsigned long align_mask, align_off;
 	int order;
 
 	alignment = data;
 	order = pool->min_alloc_order;
 	align_mask = ((alignment->align + (1UL << order) - 1) >> order) - 1;
-	return bitmap_find_next_zero_area(map, size, start, nr, align_mask);
+	align_off = (start_addr & (alignment->align - 1)) >> order;
+
+	return bitmap_find_next_zero_area_off(map, size, start, nr,
+					      align_mask, align_off);
 }
 EXPORT_SYMBOL(gen_pool_first_fit_align);
 
@@ -567,7 +570,7 @@ EXPORT_SYMBOL(gen_pool_first_fit_align);
  */
 unsigned long gen_pool_fixed_alloc(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool)
+		struct gen_pool *pool, unsigned long start_addr)
 {
 	struct genpool_data_fixed *fixed_data;
 	int order;
@@ -601,7 +604,8 @@ EXPORT_SYMBOL(gen_pool_fixed_alloc);
  */
 unsigned long gen_pool_first_fit_order_align(unsigned long *map,
 		unsigned long size, unsigned long start,
-		unsigned int nr, void *data, struct gen_pool *pool)
+		unsigned int nr, void *data, struct gen_pool *pool,
+		unsigned long start_addr)
 {
 	unsigned long align_mask = roundup_pow_of_two(nr) - 1;
 
@@ -624,7 +628,7 @@ EXPORT_SYMBOL(gen_pool_first_fit_order_align);
  */
 unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size,
 		unsigned long start, unsigned int nr, void *data,
-		struct gen_pool *pool)
+		struct gen_pool *pool, unsigned long start_addr)
 {
 	unsigned long start_bit = size;
 	unsigned long len = size + 1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 165/219] lib/genalloc.c: use vzalloc_node() to allocate the bitmap
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (155 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 164/219] lib/genalloc.c: fix allocation of aligned buffer from non-aligned chunk Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 166/219] fork: fix some -Wmissing-prototypes warnings Sasha Levin
                   ` (52 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Huang Shijie, Andrew Morton, Alexey Skidanov, Linus Torvalds,
	Sasha Levin

From: Huang Shijie <sjhuang@iluvatar.ai>

[ Upstream commit 6862d2fc81859f88c1f3f660886427893f2b4f3f ]

Some devices may have big memory on chip, such as over 1G.  In some
cases, the nbytes maybe bigger then 4M which is the bounday of the
memory buddy system (4K default).

So use vzalloc_node() to allocate the bitmap.  Also use vfree to free
it.

Link: http://lkml.kernel.org/r/20181225015701.6289-1-sjhuang@iluvatar.ai
Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexey Skidanov <alexey.skidanov@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 lib/genalloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/genalloc.c b/lib/genalloc.c
index 5deb25c40a5a1..f365d71cdc774 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -187,7 +187,7 @@ int gen_pool_add_virt(struct gen_pool *pool, unsigned long virt, phys_addr_t phy
 	int nbytes = sizeof(struct gen_pool_chunk) +
 				BITS_TO_LONGS(nbits) * sizeof(long);
 
-	chunk = kzalloc_node(nbytes, GFP_KERNEL, nid);
+	chunk = vzalloc_node(nbytes, nid);
 	if (unlikely(chunk == NULL))
 		return -ENOMEM;
 
@@ -251,7 +251,7 @@ void gen_pool_destroy(struct gen_pool *pool)
 		bit = find_next_bit(chunk->bits, end_bit, 0);
 		BUG_ON(bit < end_bit);
 
-		kfree(chunk);
+		vfree(chunk);
 	}
 	kfree_const(pool->name);
 	kfree(pool);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 166/219] fork: fix some -Wmissing-prototypes warnings
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (156 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 165/219] lib/genalloc.c: use vzalloc_node() to allocate the bitmap Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 167/219] drivers/base/platform.c: kmemleak ignore a known leak Sasha Levin
                   ` (51 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yi Wang, Michal Hocko, Mike Rapoport, Andrew Morton,
	Linus Torvalds, Sasha Levin

From: Yi Wang <wang.yi59@zte.com.cn>

[ Upstream commit fb5bf31722d0805a3f394f7d59f2e8cd07acccb7 ]

We get a warning when building kernel with W=1:

  kernel/fork.c:167:13: warning: no previous prototype for `arch_release_thread_stack' [-Wmissing-prototypes]
  kernel/fork.c:779:13: warning: no previous prototype for `fork_init' [-Wmissing-prototypes]

Add the missing declaration in head file to fix this.

Also, remove arch_release_thread_stack() completely because no arch
seems to implement it since bb9d81264 (arch: remove tile port).

Link: http://lkml.kernel.org/r/1542170087-23645-1-git-send-email-wang.yi59@zte.com.cn
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/sched/task.h | 2 ++
 init/main.c                | 1 -
 kernel/fork.c              | 5 -----
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index 108ede99e5335..44c6f15800ff5 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -39,6 +39,8 @@ void __noreturn do_task_dead(void);
 
 extern void proc_caches_init(void);
 
+extern void fork_init(void);
+
 extern void release_task(struct task_struct * p);
 
 #ifdef CONFIG_HAVE_COPY_THREAD_TLS
diff --git a/init/main.c b/init/main.c
index 020972fed1171..38a603f62b7bb 100644
--- a/init/main.c
+++ b/init/main.c
@@ -105,7 +105,6 @@
 static int kernel_init(void *);
 
 extern void init_IRQ(void);
-extern void fork_init(void);
 extern void radix_tree_init(void);
 
 /*
diff --git a/kernel/fork.c b/kernel/fork.c
index aef1430bdce0b..8cb5cd7c97e19 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -163,10 +163,6 @@ static inline void free_task_struct(struct task_struct *tsk)
 }
 #endif
 
-void __weak arch_release_thread_stack(unsigned long *stack)
-{
-}
-
 #ifndef CONFIG_ARCH_THREAD_STACK_ALLOCATOR
 
 /*
@@ -376,7 +372,6 @@ static void release_task_stack(struct task_struct *tsk)
 		return;  /* Better to leak the stack than to free prematurely */
 
 	account_kernel_stack(tsk, -1);
-	arch_release_thread_stack(tsk->stack);
 	free_thread_stack(tsk);
 	tsk->stack = NULL;
 #ifdef CONFIG_VMAP_STACK
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 167/219] drivers/base/platform.c: kmemleak ignore a known leak
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (157 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 166/219] fork: fix some -Wmissing-prototypes warnings Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 168/219] lib/genalloc.c: include vmalloc.h Sasha Levin
                   ` (50 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Qian Cai, Andrew Morton, Greg Kroah-Hartman, Rafael J . Wysocki,
	Catalin Marinas, Linus Torvalds, Sasha Levin

From: Qian Cai <cai@gmx.us>

[ Upstream commit 967d3010df8b6f6f9aa95c198edc5fe3646ebf36 ]

unreferenced object 0xffff808ec6dc5a80 (size 128):
  comm "swapper/0", pid 1, jiffies 4294938063 (age 2560.530s)
  hex dump (first 32 bytes):
    ff ff ff ff 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b  ........kkkkkkkk
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
  backtrace:
    [<00000000476dcf8c>] kmem_cache_alloc_trace+0x430/0x500
    [<000000004f708d37>] platform_device_register_full+0xbc/0x1e8
    [<000000006c2a7ec7>] acpi_create_platform_device+0x370/0x450
    [<00000000ef135642>] acpi_default_enumeration+0x34/0x78
    [<000000003bd9a052>] acpi_bus_attach+0x2dc/0x3e0
    [<000000003cf4f7f2>] acpi_bus_attach+0x108/0x3e0
    [<000000003cf4f7f2>] acpi_bus_attach+0x108/0x3e0
    [<000000002968643e>] acpi_bus_scan+0xb0/0x110
    [<0000000010dd0bd7>] acpi_scan_init+0x1a8/0x410
    [<00000000965b3c5a>] acpi_init+0x408/0x49c
    [<00000000ed4b9fe2>] do_one_initcall+0x178/0x7f4
    [<00000000a5ac5a74>] kernel_init_freeable+0x9d4/0xa9c
    [<0000000070ea6c15>] kernel_init+0x18/0x138
    [<00000000fb8fff06>] ret_from_fork+0x10/0x1c
    [<0000000041273a0d>] 0xffffffffffffffff

Then, faddr2line pointed out this line,

/*
 * This memory isn't freed when the device is put,
 * I don't have a nice idea for that though.  Conceptually
 * dma_mask in struct device should not be a pointer.
 * See http://thread.gmane.org/gmane.linux.kernel.pci/9081
 */
pdev->dev.dma_mask =
	kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);

Since this leak has existed for more than 8 years and it does not
reference other parts of the memory, let kmemleak ignore it, so users
don't need to waste time reporting this in the future.

Link: http://lkml.kernel.org/r/20181206160751.36211-1-cai@gmx.us
Signed-off-by: Qian Cai <cai@gmx.us>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/base/platform.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index dff82a3c2caa9..e9be1f56929af 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -26,6 +26,7 @@
 #include <linux/clk/clk-conf.h>
 #include <linux/limits.h>
 #include <linux/property.h>
+#include <linux/kmemleak.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -525,6 +526,8 @@ struct platform_device *platform_device_register_full(
 		if (!pdev->dev.dma_mask)
 			goto err;
 
+		kmemleak_ignore(pdev->dev.dma_mask);
+
 		*pdev->dev.dma_mask = pdevinfo->dma_mask;
 		pdev->dev.coherent_dma_mask = pdevinfo->dma_mask;
 	}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 168/219] lib/genalloc.c: include vmalloc.h
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (158 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 167/219] drivers/base/platform.c: kmemleak ignore a known leak Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 169/219] mtd: Check add_mtd_device() ret code Sasha Levin
                   ` (49 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Olof Johansson, Huang Shijie, Andrew Morton, Alexey Skidanov,
	Linus Torvalds, Sasha Levin

From: Olof Johansson <olof@lixom.net>

[ Upstream commit 35004f2e55807a1a1491db24ab512dd2f770a130 ]

Fixes build break on most ARM/ARM64 defconfigs:

  lib/genalloc.c: In function 'gen_pool_add_virt':
  lib/genalloc.c:190:10: error: implicit declaration of function 'vzalloc_node'; did you mean 'kzalloc_node'?
  lib/genalloc.c:190:8: warning: assignment to 'struct gen_pool_chunk *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
  lib/genalloc.c: In function 'gen_pool_destroy':
  lib/genalloc.c:254:3: error: implicit declaration of function 'vfree'; did you mean 'kfree'?

Fixes: 6862d2fc8185 ('lib/genalloc.c: use vzalloc_node() to allocate the bitmap')
Cc: Huang Shijie <sjhuang@iluvatar.ai>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexey Skidanov <alexey.skidanov@intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 lib/genalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/genalloc.c b/lib/genalloc.c
index f365d71cdc774..7e85d1e37a6ea 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -35,6 +35,7 @@
 #include <linux/interrupt.h>
 #include <linux/genalloc.h>
 #include <linux/of_device.h>
+#include <linux/vmalloc.h>
 
 static inline size_t chunk_size(const struct gen_pool_chunk *chunk)
 {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 169/219] mtd: Check add_mtd_device() ret code
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (159 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 168/219] lib/genalloc.c: include vmalloc.h Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 170/219] tipc: fix memory leak in tipc_nl_compat_publ_dump Sasha Levin
                   ` (48 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Boris Brezillon, Sasha Levin, linux-mtd

From: Boris Brezillon <bbrezillon@kernel.org>

[ Upstream commit 2b6f0090a3335b7bdd03ca520c35591159463041 ]

add_mtd_device() can fail. We should always check its return value
and gracefully handle the failure case. Fix the call sites where this
not done (in mtdpart.c) and add a __must_check attribute to the
prototype to avoid this kind of mistakes.

Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/mtdcore.h |  2 +-
 drivers/mtd/mtdpart.c | 36 +++++++++++++++++++++++++++++++-----
 2 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
index 9887bda317cd9..b31c868019ada 100644
--- a/drivers/mtd/mtdcore.h
+++ b/drivers/mtd/mtdcore.h
@@ -7,7 +7,7 @@
 extern struct mutex mtd_table_mutex;
 
 struct mtd_info *__mtd_next_device(int i);
-int add_mtd_device(struct mtd_info *mtd);
+int __must_check add_mtd_device(struct mtd_info *mtd);
 int del_mtd_device(struct mtd_info *mtd);
 int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
 int del_mtd_partitions(struct mtd_info *);
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 0bbb23b014f1b..b9b308cde0a5d 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -612,10 +612,22 @@ int mtd_add_partition(struct mtd_info *parent, const char *name,
 	list_add(&new->list, &mtd_partitions);
 	mutex_unlock(&mtd_partitions_mutex);
 
-	add_mtd_device(&new->mtd);
+	ret = add_mtd_device(&new->mtd);
+	if (ret)
+		goto err_remove_part;
 
 	mtd_add_partition_attrs(new);
 
+	return 0;
+
+err_remove_part:
+	mutex_lock(&mtd_partitions_mutex);
+	list_del(&new->list);
+	mutex_unlock(&mtd_partitions_mutex);
+
+	free_partition(new);
+	pr_info("%s:%i\n", __func__, __LINE__);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(mtd_add_partition);
@@ -706,22 +718,31 @@ int add_mtd_partitions(struct mtd_info *master,
 {
 	struct mtd_part *slave;
 	uint64_t cur_offset = 0;
-	int i;
+	int i, ret;
 
 	printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
 
 	for (i = 0; i < nbparts; i++) {
 		slave = allocate_partition(master, parts + i, i, cur_offset);
 		if (IS_ERR(slave)) {
-			del_mtd_partitions(master);
-			return PTR_ERR(slave);
+			ret = PTR_ERR(slave);
+			goto err_del_partitions;
 		}
 
 		mutex_lock(&mtd_partitions_mutex);
 		list_add(&slave->list, &mtd_partitions);
 		mutex_unlock(&mtd_partitions_mutex);
 
-		add_mtd_device(&slave->mtd);
+		ret = add_mtd_device(&slave->mtd);
+		if (ret) {
+			mutex_lock(&mtd_partitions_mutex);
+			list_del(&slave->list);
+			mutex_unlock(&mtd_partitions_mutex);
+
+			free_partition(slave);
+			goto err_del_partitions;
+		}
+
 		mtd_add_partition_attrs(slave);
 		/* Look for subpartitions */
 		parse_mtd_partitions(&slave->mtd, parts[i].types, NULL);
@@ -730,6 +751,11 @@ int add_mtd_partitions(struct mtd_info *master,
 	}
 
 	return 0;
+
+err_del_partitions:
+	del_mtd_partitions(master);
+
+	return ret;
 }
 
 static DEFINE_SPINLOCK(part_parser_lock);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 170/219] tipc: fix memory leak in tipc_nl_compat_publ_dump
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (160 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 169/219] mtd: Check add_mtd_device() ret code Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 171/219] net/core/neighbour: tell kmemleak about hash tables Sasha Levin
                   ` (47 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gustavo A. R. Silva, Ying Xue, David S . Miller, Sasha Levin,
	netdev, tipc-discussion

From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>

[ Upstream commit f87d8ad9233f115db92c6c087d58403b0009ed36 ]

There is a memory leak in case genlmsg_put fails.

Fix this by freeing *args* before return.

Addresses-Coverity-ID: 1476406 ("Resource leak")
Fixes: 46273cf7e009 ("tipc: fix a missing check of genlmsg_put")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/tipc/netlink_compat.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index fab0384d2b4b3..b4860084a8f56 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -983,8 +983,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
 
 	hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
 			  TIPC_NL_PUBL_GET);
-	if (!hdr)
+	if (!hdr) {
+		kfree_skb(args);
 		return -EMSGSIZE;
+	}
 
 	nest = nla_nest_start(args, TIPC_NLA_SOCK);
 	if (!nest) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 171/219] net/core/neighbour: tell kmemleak about hash tables
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (161 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 170/219] tipc: fix memory leak in tipc_nl_compat_publ_dump Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 172/219] ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs Sasha Levin
                   ` (46 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Konstantin Khlebnikov, David S . Miller, Sasha Levin, netdev

From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

[ Upstream commit 85704cb8dcfd88d351bfc87faaeba1c8214f3177 ]

This fixes false-positive kmemleak reports about leaked neighbour entries:

unreferenced object 0xffff8885c6e4d0a8 (size 1024):
  comm "softirq", pid 0, jiffies 4294922664 (age 167640.804s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 20 2c f3 83 ff ff ff ff  ........ ,......
    08 c0 ef 5f 84 88 ff ff 01 8c 7d 02 01 00 00 00  ..._......}.....
  backtrace:
    [<00000000748509fe>] ip6_finish_output2+0x887/0x1e40
    [<0000000036d7a0d8>] ip6_output+0x1ba/0x600
    [<0000000027ea7dba>] ip6_send_skb+0x92/0x2f0
    [<00000000d6e2111d>] udp_v6_send_skb.isra.24+0x680/0x15e0
    [<000000000668a8be>] udpv6_sendmsg+0x18c9/0x27a0
    [<000000004bd5fa90>] sock_sendmsg+0xb3/0xf0
    [<000000008227b29f>] ___sys_sendmsg+0x745/0x8f0
    [<000000008698009d>] __sys_sendmsg+0xde/0x170
    [<00000000889dacf1>] do_syscall_64+0x9b/0x400
    [<0000000081cdb353>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
    [<000000005767ed39>] 0xffffffffffffffff

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/neighbour.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index c52d6e6b341cf..4721793babed5 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -18,6 +18,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/slab.h>
+#include <linux/kmemleak.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -363,12 +364,14 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int shift)
 	ret = kmalloc(sizeof(*ret), GFP_ATOMIC);
 	if (!ret)
 		return NULL;
-	if (size <= PAGE_SIZE)
+	if (size <= PAGE_SIZE) {
 		buckets = kzalloc(size, GFP_ATOMIC);
-	else
+	} else {
 		buckets = (struct neighbour __rcu **)
 			  __get_free_pages(GFP_ATOMIC | __GFP_ZERO,
 					   get_order(size));
+		kmemleak_alloc(buckets, size, 0, GFP_ATOMIC);
+	}
 	if (!buckets) {
 		kfree(ret);
 		return NULL;
@@ -388,10 +391,12 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
 	size_t size = (1 << nht->hash_shift) * sizeof(struct neighbour *);
 	struct neighbour __rcu **buckets = nht->hash_buckets;
 
-	if (size <= PAGE_SIZE)
+	if (size <= PAGE_SIZE) {
 		kfree(buckets);
-	else
+	} else {
+		kmemleak_free(buckets);
 		free_pages((unsigned long)buckets, get_order(size));
+	}
 	kfree(nht);
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 172/219] ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (162 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 171/219] net/core/neighbour: tell kmemleak about hash tables Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 173/219] PCI/MSI: Return -ENOSPC from pci_alloc_irq_vectors_affinity() Sasha Levin
                   ` (45 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Miquel Raynal, Jens Axboe, Sasha Levin, linux-ide

From: Miquel Raynal <miquel.raynal@bootlin.com>

[ Upstream commit 96dbcb40e4b1a387cdb9b21f43638c759aebb5a4 ]

At the beginning, only Armada 38x SoCs where supported by the
ahci_mvebu.c driver. Commit 15d3ce7b63bd ("ata: ahci_mvebu: add
support for Armada 3700 variant") introduced Armada 3700 support. As
opposed to Armada 38x SoCs, the 3700 variants do not have to configure
mbus and the regret option. This patch took care of avoiding such
configuration when not needed in the probe function, but failed to do
the same in the resume path. While doing so looks harmless by
experience, let's clean the driver logic and avoid doing this useless
configuration with Armada 3700 SoCs.

Because the logic is very similar between these two places, it has
been decided to factorize this code and put it in a "Armada 38x
configuration function". This function is part of a new
(per-compatible) platform data structure, so that the addition of such
configuration function for Armada 3700 will be eased.

Fixes: 15d3ce7b63bd ("ata: ahci_mvebu: add support for Armada 3700 variant")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ata/ahci_mvebu.c | 68 ++++++++++++++++++++++++++++++----------
 1 file changed, 51 insertions(+), 17 deletions(-)

diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index f9cb51be38ebf..a54214291481f 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -28,6 +28,10 @@
 #define AHCI_WINDOW_BASE(win)	(0x64 + ((win) << 4))
 #define AHCI_WINDOW_SIZE(win)	(0x68 + ((win) << 4))
 
+struct ahci_mvebu_plat_data {
+	int (*plat_config)(struct ahci_host_priv *hpriv);
+};
+
 static void ahci_mvebu_mbus_config(struct ahci_host_priv *hpriv,
 				   const struct mbus_dram_target_info *dram)
 {
@@ -62,6 +66,22 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
 	writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);
 }
 
+static int ahci_mvebu_armada_380_config(struct ahci_host_priv *hpriv)
+{
+	const struct mbus_dram_target_info *dram;
+	int rc = 0;
+
+	dram = mv_mbus_dram_info();
+	if (dram)
+		ahci_mvebu_mbus_config(hpriv, dram);
+	else
+		rc = -ENODEV;
+
+	ahci_mvebu_regret_option(hpriv);
+
+	return rc;
+}
+
 /**
  * ahci_mvebu_stop_engine
  *
@@ -126,13 +146,10 @@ static int ahci_mvebu_resume(struct platform_device *pdev)
 {
 	struct ata_host *host = platform_get_drvdata(pdev);
 	struct ahci_host_priv *hpriv = host->private_data;
-	const struct mbus_dram_target_info *dram;
+	const struct ahci_mvebu_plat_data *pdata = hpriv->plat_data;
 
-	dram = mv_mbus_dram_info();
-	if (dram)
-		ahci_mvebu_mbus_config(hpriv, dram);
-
-	ahci_mvebu_regret_option(hpriv);
+	if (pdata->plat_config)
+		pdata->plat_config(hpriv);
 
 	return ahci_platform_resume_host(&pdev->dev);
 }
@@ -154,28 +171,31 @@ static struct scsi_host_template ahci_platform_sht = {
 
 static int ahci_mvebu_probe(struct platform_device *pdev)
 {
+	const struct ahci_mvebu_plat_data *pdata;
 	struct ahci_host_priv *hpriv;
-	const struct mbus_dram_target_info *dram;
 	int rc;
 
+	pdata = of_device_get_match_data(&pdev->dev);
+	if (!pdata)
+		return -EINVAL;
+
 	hpriv = ahci_platform_get_resources(pdev, 0);
 	if (IS_ERR(hpriv))
 		return PTR_ERR(hpriv);
 
+	hpriv->plat_data = (void *)pdata;
+
 	rc = ahci_platform_enable_resources(hpriv);
 	if (rc)
 		return rc;
 
 	hpriv->stop_engine = ahci_mvebu_stop_engine;
 
-	if (of_device_is_compatible(pdev->dev.of_node,
-				    "marvell,armada-380-ahci")) {
-		dram = mv_mbus_dram_info();
-		if (!dram)
-			return -ENODEV;
-
-		ahci_mvebu_mbus_config(hpriv, dram);
-		ahci_mvebu_regret_option(hpriv);
+	pdata = hpriv->plat_data;
+	if (pdata->plat_config) {
+		rc = pdata->plat_config(hpriv);
+		if (rc)
+			goto disable_resources;
 	}
 
 	rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info,
@@ -190,9 +210,23 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
 	return rc;
 }
 
+static const struct ahci_mvebu_plat_data ahci_mvebu_armada_380_plat_data = {
+	.plat_config = ahci_mvebu_armada_380_config,
+};
+
+static const struct ahci_mvebu_plat_data ahci_mvebu_armada_3700_plat_data = {
+	.plat_config = NULL,
+};
+
 static const struct of_device_id ahci_mvebu_of_match[] = {
-	{ .compatible = "marvell,armada-380-ahci", },
-	{ .compatible = "marvell,armada-3700-ahci", },
+	{
+		.compatible = "marvell,armada-380-ahci",
+		.data = &ahci_mvebu_armada_380_plat_data,
+	},
+	{
+		.compatible = "marvell,armada-3700-ahci",
+		.data = &ahci_mvebu_armada_3700_plat_data,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, ahci_mvebu_of_match);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 173/219] PCI/MSI: Return -ENOSPC from pci_alloc_irq_vectors_affinity()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (163 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 172/219] ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 174/219] net/core/neighbour: fix kmemleak minimal reference count for hash tables Sasha Levin
                   ` (44 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ming Lei, Bjorn Helgaas, Jens Axboe, Keith Busch,
	Christoph Hellwig, Sasha Levin, linux-pci

From: Ming Lei <ming.lei@redhat.com>

[ Upstream commit 77f88abd4a6f73a1a68dbdc0e3f21575fd508fc3 ]

The API of pci_alloc_irq_vectors_affinity() says it returns -ENOSPC if
fewer than @min_vecs interrupt vectors are available for @dev.

However, if a device supports MSI-X but not MSI and a caller requests
@min_vecs that can't be satisfied by MSI-X, we previously returned -EINVAL
(from the failed attempt to enable MSI), not -ENOSPC.

When -ENOSPC is returned, callers may reduce the number IRQs they request
and try again.  Most callers can use the @min_vecs and @max_vecs
parameters to avoid this retry loop, but that doesn't work when using IRQ
affinity "nr_sets" because rebalancing the sets is driver-specific.

This return value bug has been present since pci_alloc_irq_vectors() was
added in v4.10 by aff171641d18 ("PCI: Provide sensible IRQ vector
alloc/free routines"), but it wasn't an issue because @min_vecs/@max_vecs
removed the need for callers to iteratively reduce the number of IRQs
requested and retry the allocation, so they didn't need to distinguish
-ENOSPC from -EINVAL.

In v5.0, 6da4b3ab9a6e ("genirq/affinity: Add support for allocating
interrupt sets") added IRQ sets to the interface, which reintroduced the
need to check for -ENOSPC and possibly reduce the number of IRQs requested
and retry the allocation.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/msi.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index af24ed50a2452..971dddf62374f 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1155,7 +1155,8 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs,
 				   const struct irq_affinity *affd)
 {
 	static const struct irq_affinity msi_default_affd;
-	int vecs = -ENOSPC;
+	int msix_vecs = -ENOSPC;
+	int msi_vecs = -ENOSPC;
 
 	if (flags & PCI_IRQ_AFFINITY) {
 		if (!affd)
@@ -1166,16 +1167,17 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs,
 	}
 
 	if (flags & PCI_IRQ_MSIX) {
-		vecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs,
-				affd);
-		if (vecs > 0)
-			return vecs;
+		msix_vecs = __pci_enable_msix_range(dev, NULL, min_vecs,
+						    max_vecs, affd);
+		if (msix_vecs > 0)
+			return msix_vecs;
 	}
 
 	if (flags & PCI_IRQ_MSI) {
-		vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, affd);
-		if (vecs > 0)
-			return vecs;
+		msi_vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs,
+						  affd);
+		if (msi_vecs > 0)
+			return msi_vecs;
 	}
 
 	/* use legacy irq if allowed */
@@ -1186,7 +1188,9 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs,
 		}
 	}
 
-	return vecs;
+	if (msix_vecs == -ENOSPC)
+		return -ENOSPC;
+	return msi_vecs;
 }
 EXPORT_SYMBOL(pci_alloc_irq_vectors_affinity);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 174/219] net/core/neighbour: fix kmemleak minimal reference count for hash tables
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (164 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 173/219] PCI/MSI: Return -ENOSPC from pci_alloc_irq_vectors_affinity() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 175/219] serial: 8250: Fix serial8250 initialization crash Sasha Levin
                   ` (43 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Konstantin Khlebnikov, Cong Wang, David S . Miller, Sasha Levin, netdev

From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

[ Upstream commit 01b833ab44c9e484060aad72267fc7e71beb559b ]

This should be 1 for normal allocations, 0 disables leak reporting.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Fixes: 85704cb8dcfd ("net/core/neighbour: tell kmemleak about hash tables")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/neighbour.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 4721793babed5..7597afee70680 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -370,7 +370,7 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int shift)
 		buckets = (struct neighbour __rcu **)
 			  __get_free_pages(GFP_ATOMIC | __GFP_ZERO,
 					   get_order(size));
-		kmemleak_alloc(buckets, size, 0, GFP_ATOMIC);
+		kmemleak_alloc(buckets, size, 1, GFP_ATOMIC);
 	}
 	if (!buckets) {
 		kfree(ret);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 175/219] serial: 8250: Fix serial8250 initialization crash
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (165 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 174/219] net/core/neighbour: fix kmemleak minimal reference count for hash tables Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 176/219] gpu: ipu-v3: pre: don't trigger update if buffer address doesn't change Sasha Levin
                   ` (42 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: He Zhe, Darwin Dingel, Greg Kroah-Hartman, Sasha Levin, linux-serial

From: He Zhe <zhe.he@windriver.com>

[ Upstream commit 352c4cf40c4a7d439fa5d30aa2160f54b394da82 ]

The initialization code of interrupt backoff work might reference NULL
pointer and cause the following crash, if no port was found.

[   10.017727] CPU 0 Unable to handle kernel paging request at virtual address 000001b0, epc == 807088e0, ra == 8070863c
---- snip ----
[   11.704470] [<807088e0>] serial8250_register_8250_port+0x318/0x4ac
[   11.747251] [<80708d74>] serial8250_probe+0x148/0x1c0
[   11.789301] [<80728450>] platform_drv_probe+0x40/0x94
[   11.830515] [<807264f8>] really_probe+0xf8/0x318
[   11.870876] [<80726b7c>] __driver_attach+0x110/0x12c
[   11.910960] [<80724374>] bus_for_each_dev+0x78/0xcc
[   11.951134] [<80725958>] bus_add_driver+0x200/0x234
[   11.989756] [<807273d8>] driver_register+0x84/0x148
[   12.029832] [<80d72f84>] serial8250_init+0x138/0x198
[   12.070447] [<80100e6c>] do_one_initcall+0x5c/0x2a0
[   12.110104] [<80d3a208>] kernel_init_freeable+0x370/0x484
[   12.150722] [<80a49420>] kernel_init+0x10/0xf8
[   12.191517] [<8010756c>] ret_from_kernel_thread+0x14/0x1c

This patch makes sure the initialization code can be reached only if a port
is found.

Fixes: 6d7f677a2afa ("serial: 8250: Rate limit serial port rx interrupts during input overruns")
Signed-off-by: He Zhe <zhe.he@windriver.com>
Reviewed-by: Darwin Dingel <darwin.dingel@alliedtelesis.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/8250/8250_core.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 0e65d4261f94c..69aaee5d7fe14 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1074,15 +1074,16 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
 
 			ret = 0;
 		}
-	}
 
-	/* Initialise interrupt backoff work if required */
-	if (up->overrun_backoff_time_ms > 0) {
-		uart->overrun_backoff_time_ms = up->overrun_backoff_time_ms;
-		INIT_DELAYED_WORK(&uart->overrun_backoff,
-				  serial_8250_overrun_backoff_work);
-	} else {
-		uart->overrun_backoff_time_ms = 0;
+		/* Initialise interrupt backoff work if required */
+		if (up->overrun_backoff_time_ms > 0) {
+			uart->overrun_backoff_time_ms =
+				up->overrun_backoff_time_ms;
+			INIT_DELAYED_WORK(&uart->overrun_backoff,
+					serial_8250_overrun_backoff_work);
+		} else {
+			uart->overrun_backoff_time_ms = 0;
+		}
 	}
 
 	mutex_unlock(&serial_mutex);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 176/219] gpu: ipu-v3: pre: don't trigger update if buffer address doesn't change
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (166 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 175/219] serial: 8250: Fix serial8250 initialization crash Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 177/219] sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe Sasha Levin
                   ` (41 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Lucas Stach, Philipp Zabel, Sasha Levin, dri-devel

From: Lucas Stach <l.stach@pengutronix.de>

[ Upstream commit eb0200a4357da100064971689d3a0e9e3cf57f33 ]

On a NOP double buffer update where current buffer address is the same
as the next buffer address, the SDW_UPDATE bit clears too late. As we
are now using this bit to determine when it is safe to signal flip
completion to userspace this will delay completion of atomic commits
where one plane doesn't change the buffer by a whole frame period.

Fix this by remembering the last buffer address and just skip the
double buffer update if it would not change the buffer address.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[p.zabel@pengutronix.de: initialize last_bufaddr in ipu_pre_configure]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/ipu-v3/ipu-pre.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index 2f8db9d625514..4a28f3fbb0a28 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -106,6 +106,7 @@ struct ipu_pre {
 	void			*buffer_virt;
 	bool			in_use;
 	unsigned int		safe_window_end;
+	unsigned int		last_bufaddr;
 };
 
 static DEFINE_MUTEX(ipu_pre_list_mutex);
@@ -185,6 +186,7 @@ void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
 
 	writel(bufaddr, pre->regs + IPU_PRE_CUR_BUF);
 	writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF);
+	pre->last_bufaddr = bufaddr;
 
 	val = IPU_PRE_PREF_ENG_CTRL_INPUT_PIXEL_FORMAT(0) |
 	      IPU_PRE_PREF_ENG_CTRL_INPUT_ACTIVE_BPP(active_bpp) |
@@ -242,7 +244,11 @@ void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr)
 	unsigned short current_yblock;
 	u32 val;
 
+	if (bufaddr == pre->last_bufaddr)
+		return;
+
 	writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF);
+	pre->last_bufaddr = bufaddr;
 
 	do {
 		if (time_after(jiffies, timeout)) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 177/219] sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (167 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 176/219] gpu: ipu-v3: pre: don't trigger update if buffer address doesn't change Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 178/219] ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel Sasha Levin
                   ` (40 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Edward Cree, David S . Miller, Sasha Levin, netdev

From: Edward Cree <ecree@solarflare.com>

[ Upstream commit 3366463513f544c12c6b88c13da4462ee9e7a1a1 ]

Use a bitmap to keep track of which partition types we've already seen;
 for duplicates, return -EEXIST from efx_ef10_mtd_probe_partition() and
 thus skip adding that partition.
Duplicate partitions occur because of the A/B backup scheme used by newer
 sfc NICs.  Prior to this patch they cause sysfs_warn_dup errors because
 they have the same name, causing us not to expose any MTDs at all.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/sfc/ef10.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 7eeac3d6cfe89..a497aace7e4f4 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -6042,22 +6042,25 @@ static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = {
 	{ NVRAM_PARTITION_TYPE_LICENSE,		   0,    0, "sfc_license" },
 	{ NVRAM_PARTITION_TYPE_PHY_MIN,		   0xff, 0, "sfc_phy_fw" },
 };
+#define EF10_NVRAM_PARTITION_COUNT	ARRAY_SIZE(efx_ef10_nvram_types)
 
 static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
 					struct efx_mcdi_mtd_partition *part,
-					unsigned int type)
+					unsigned int type,
+					unsigned long *found)
 {
 	MCDI_DECLARE_BUF(inbuf, MC_CMD_NVRAM_METADATA_IN_LEN);
 	MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_METADATA_OUT_LENMAX);
 	const struct efx_ef10_nvram_type_info *info;
 	size_t size, erase_size, outlen;
+	int type_idx = 0;
 	bool protected;
 	int rc;
 
-	for (info = efx_ef10_nvram_types; ; info++) {
-		if (info ==
-		    efx_ef10_nvram_types + ARRAY_SIZE(efx_ef10_nvram_types))
+	for (type_idx = 0; ; type_idx++) {
+		if (type_idx == EF10_NVRAM_PARTITION_COUNT)
 			return -ENODEV;
+		info = efx_ef10_nvram_types + type_idx;
 		if ((type & ~info->type_mask) == info->type)
 			break;
 	}
@@ -6070,6 +6073,13 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
 	if (protected)
 		return -ENODEV; /* hide it */
 
+	/* If we've already exposed a partition of this type, hide this
+	 * duplicate.  All operations on MTDs are keyed by the type anyway,
+	 * so we can't act on the duplicate.
+	 */
+	if (__test_and_set_bit(type_idx, found))
+		return -EEXIST;
+
 	part->nvram_type = type;
 
 	MCDI_SET_DWORD(inbuf, NVRAM_METADATA_IN_TYPE, type);
@@ -6098,6 +6108,7 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
 static int efx_ef10_mtd_probe(struct efx_nic *efx)
 {
 	MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX);
+	DECLARE_BITMAP(found, EF10_NVRAM_PARTITION_COUNT);
 	struct efx_mcdi_mtd_partition *parts;
 	size_t outlen, n_parts_total, i, n_parts;
 	unsigned int type;
@@ -6126,11 +6137,13 @@ static int efx_ef10_mtd_probe(struct efx_nic *efx)
 	for (i = 0; i < n_parts_total; i++) {
 		type = MCDI_ARRAY_DWORD(outbuf, NVRAM_PARTITIONS_OUT_TYPE_ID,
 					i);
-		rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type);
-		if (rc == 0)
-			n_parts++;
-		else if (rc != -ENODEV)
+		rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type,
+						  found);
+		if (rc == -EEXIST || rc == -ENODEV)
+			continue;
+		if (rc)
 			goto fail;
+		n_parts++;
 	}
 
 	rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 178/219] ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (168 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 177/219] sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 179/219] decnet: fix DN_IFREQ_SIZE Sasha Levin
                   ` (39 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: wenxu, David S . Miller, Sasha Levin, netdev

From: wenxu <wenxu@ucloud.cn>

[ Upstream commit d71b57532d70c03f4671dd04e84157ac6bf021b0 ]

ip l add dev tun type gretap key 1000
ip a a dev tun 10.0.0.1/24

Packets with tun-id 1000 can be recived by tun dev. But packet can't
be sent through dev tun for non-tunnel-dst

With this patch: tunnel-dst can be get through lwtunnel like beflow:
ip r a 10.0.0.7 encap ip dst 172.168.0.11 dev tun

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/ip_tunnel.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index c4f5602308edc..054d01c16dc6a 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -644,13 +644,19 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 	dst = tnl_params->daddr;
 	if (dst == 0) {
 		/* NBMA tunnel */
+		struct ip_tunnel_info *tun_info;
 
 		if (!skb_dst(skb)) {
 			dev->stats.tx_fifo_errors++;
 			goto tx_error;
 		}
 
-		if (skb->protocol == htons(ETH_P_IP)) {
+		tun_info = skb_tunnel_info(skb);
+		if (tun_info && (tun_info->mode & IP_TUNNEL_INFO_TX) &&
+		    ip_tunnel_info_af(tun_info) == AF_INET &&
+		    tun_info->key.u.ipv4.dst)
+			dst = tun_info->key.u.ipv4.dst;
+		else if (skb->protocol == htons(ETH_P_IP)) {
 			rt = skb_rtable(skb);
 			dst = rt_nexthop(rt, inner_iph->daddr);
 		}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 179/219] decnet: fix DN_IFREQ_SIZE
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (169 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 178/219] ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 180/219] net/smc: prevent races between smc_lgr_terminate() and smc_conn_free() Sasha Levin
                   ` (38 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Johannes Berg, David S . Miller, Sasha Levin, linux-decnet-user, netdev

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit 50c2936634bcb1db78a8ca63249236810c11a80f ]

Digging through the ioctls with Al because of the previous
patches, we found that on 64-bit decnet's dn_dev_ioctl()
is wrong, because struct ifreq::ifr_ifru is actually 24
bytes (not 16 as expected from struct sockaddr) due to the
ifru_map and ifru_settings members.

Clearly, decnet expects the ioctl to be called with a struct
like
  struct ifreq_dn {
    char ifr_name[IFNAMSIZ];
    struct sockaddr_dn ifr_addr;
  };

since it does
  struct ifreq *ifr = ...;
  struct sockaddr_dn *sdn = (struct sockaddr_dn *)&ifr->ifr_addr;

This means that DN_IFREQ_SIZE is too big for what it wants on
64-bit, as it is
  sizeof(struct ifreq) - sizeof(struct sockaddr) +
  sizeof(struct sockaddr_dn)

This assumes that sizeof(struct sockaddr) is the size of ifr_ifru
but that isn't true.

Fix this to use offsetof(struct ifreq, ifr_ifru).

This indeed doesn't really matter much - the result is that we
copy in/out 8 bytes more than we should on 64-bit platforms. In
case the "struct ifreq_dn" lands just on the end of a page though
it might lead to faults.

As far as I can tell, it has been like this forever, so it seems
very likely that nobody cares.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/decnet/dn_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index bfd43e8f2c06e..3235540f6adff 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -56,7 +56,7 @@
 #include <net/dn_neigh.h>
 #include <net/dn_fib.h>
 
-#define DN_IFREQ_SIZE (sizeof(struct ifreq) - sizeof(struct sockaddr) + sizeof(struct sockaddr_dn))
+#define DN_IFREQ_SIZE (offsetof(struct ifreq, ifr_ifru) + sizeof(struct sockaddr_dn))
 
 static char dn_rt_all_end_mcast[ETH_ALEN] = {0xAB,0x00,0x00,0x04,0x00,0x00};
 static char dn_rt_all_rt_mcast[ETH_ALEN]  = {0xAB,0x00,0x00,0x03,0x00,0x00};
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 180/219] net/smc: prevent races between smc_lgr_terminate() and smc_conn_free()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (170 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 179/219] decnet: fix DN_IFREQ_SIZE Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 181/219] net/smc: don't wait for send buffer space when data was already sent Sasha Levin
                   ` (37 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Karsten Graul, Ursula Braun, David S . Miller, Sasha Levin,
	linux-s390, netdev

From: Karsten Graul <kgraul@linux.ibm.com>

[ Upstream commit 77f838ace755d2f466536c44dac6c856f62cd901 ]

To prevent races between smc_lgr_terminate() and smc_conn_free() add an
extra check of the lgr field before accessing it, and cancel a delayed
free_work when a new smc connection is created.
This fixes the problem that free_work cleared the lgr variable but
smc_lgr_terminate() or smc_conn_free() still access it in parallel.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/smc/smc_core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 18daebcef1813..2c9baf8bf1189 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -128,6 +128,8 @@ static void smc_lgr_unregister_conn(struct smc_connection *conn)
 {
 	struct smc_link_group *lgr = conn->lgr;
 
+	if (!lgr)
+		return;
 	write_lock_bh(&lgr->conns_lock);
 	if (conn->alert_token_local) {
 		__smc_lgr_unregister_conn(conn);
@@ -612,6 +614,8 @@ int smc_conn_create(struct smc_sock *smc, bool is_smcd, int srv_first_contact,
 			local_contact = SMC_REUSE_CONTACT;
 			conn->lgr = lgr;
 			smc_lgr_register_conn(conn); /* add smc conn to lgr */
+			if (delayed_work_pending(&lgr->free_work))
+				cancel_delayed_work(&lgr->free_work);
 			write_unlock_bh(&lgr->conns_lock);
 			break;
 		}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 181/219] net/smc: don't wait for send buffer space when data was already sent
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (171 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 180/219] net/smc: prevent races between smc_lgr_terminate() and smc_conn_free() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 182/219] mm/hotplug: invalid PFNs from pfn_to_online_page() Sasha Levin
                   ` (36 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Karsten Graul, Ursula Braun, David S . Miller, Sasha Levin,
	linux-s390, netdev

From: Karsten Graul <kgraul@linux.ibm.com>

[ Upstream commit 6889b36da78a21a312d8b462c1fa25a03c2ff192 ]

When there is no more send buffer space and at least 1 byte was already
sent then return to user space. The wait is only done when no data was
sent by the sendmsg() call.
This fixes smc_tx_sendmsg() which tried to always send all user data and
started to wait for free send buffer space when needed. During this wait
the user space program was blocked in the sendmsg() call and hence not
able to receive incoming data. When both sides were in such a situation
then the connection stalled forever.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/smc/smc_tx.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 28361aef99825..f1f621675db01 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -163,12 +163,11 @@ int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len)
 			conn->local_tx_ctrl.prod_flags.urg_data_pending = 1;
 
 		if (!atomic_read(&conn->sndbuf_space) || conn->urg_tx_pend) {
+			if (send_done)
+				return send_done;
 			rc = smc_tx_wait(smc, msg->msg_flags);
-			if (rc) {
-				if (send_done)
-					return send_done;
+			if (rc)
 				goto out_err;
-			}
 			continue;
 		}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 182/219] mm/hotplug: invalid PFNs from pfn_to_online_page()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (172 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 181/219] net/smc: don't wait for send buffer space when data was already sent Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 183/219] xfs: end sync buffer I/O properly on shutdown error Sasha Levin
                   ` (35 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Qian Cai, Michal Hocko, Oscar Salvador, Catalin Marinas,
	Vlastimil Babka, Andrew Morton, Linus Torvalds, Sasha Levin,
	linux-mm

From: Qian Cai <cai@lca.pw>

[ Upstream commit b13bc35193d9e7a8c050a24928ca5c9e7c9a009b ]

On an arm64 ThunderX2 server, the first kmemleak scan would crash [1]
with CONFIG_DEBUG_VM_PGFLAGS=y due to page_to_nid() found a pfn that is
not directly mapped (MEMBLOCK_NOMAP).  Hence, the page->flags is
uninitialized.

This is due to the commit 9f1eb38e0e11 ("mm, kmemleak: little
optimization while scanning") starts to use pfn_to_online_page() instead
of pfn_valid().  However, in the CONFIG_MEMORY_HOTPLUG=y case,
pfn_to_online_page() does not call memblock_is_map_memory() while
pfn_valid() does.

Historically, the commit 68709f45385a ("arm64: only consider memblocks
with NOMAP cleared for linear mapping") causes pages marked as nomap
being no long reassigned to the new zone in memmap_init_zone() by
calling __init_single_page().

Since the commit 2d070eab2e82 ("mm: consider zone which is not fully
populated to have holes") introduced pfn_to_online_page() and was
designed to return a valid pfn only, but it is clearly broken on arm64.

Therefore, let pfn_to_online_page() call pfn_valid_within(), so it can
handle nomap thanks to the commit f52bb98f5ade ("arm64: mm: always
enable CONFIG_HOLES_IN_ZONE"), while it will be optimized away on
architectures where have no HOLES_IN_ZONE.

[1]
  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000006
  Mem abort info:
    ESR = 0x96000005
    Exception class = DABT (current EL), IL = 32 bits
    SET = 0, FnV = 0
    EA = 0, S1PTW = 0
  Data abort info:
    ISV = 0, ISS = 0x00000005
    CM = 0, WnR = 0
  Internal error: Oops: 96000005 [#1] SMP
  CPU: 60 PID: 1408 Comm: kmemleak Not tainted 5.0.0-rc2+ #8
  pstate: 60400009 (nZCv daif +PAN -UAO)
  pc : page_mapping+0x24/0x144
  lr : __dump_page+0x34/0x3dc
  sp : ffff00003a5cfd10
  x29: ffff00003a5cfd10 x28: 000000000000802f
  x27: 0000000000000000 x26: 0000000000277d00
  x25: ffff000010791f56 x24: ffff7fe000000000
  x23: ffff000010772f8b x22: ffff00001125f670
  x21: ffff000011311000 x20: ffff000010772f8b
  x19: fffffffffffffffe x18: 0000000000000000
  x17: 0000000000000000 x16: 0000000000000000
  x15: 0000000000000000 x14: ffff802698b19600
  x13: ffff802698b1a200 x12: ffff802698b16f00
  x11: ffff802698b1a400 x10: 0000000000001400
  x9 : 0000000000000001 x8 : ffff00001121a000
  x7 : 0000000000000000 x6 : ffff0000102c53b8
  x5 : 0000000000000000 x4 : 0000000000000003
  x3 : 0000000000000100 x2 : 0000000000000000
  x1 : ffff000010772f8b x0 : ffffffffffffffff
  Process kmemleak (pid: 1408, stack limit = 0x(____ptrval____))
  Call trace:
   page_mapping+0x24/0x144
   __dump_page+0x34/0x3dc
   dump_page+0x28/0x4c
   kmemleak_scan+0x4ac/0x680
   kmemleak_scan_thread+0xb4/0xdc
   kthread+0x12c/0x13c
   ret_from_fork+0x10/0x18
  Code: d503201f f9400660 36000040 d1000413 (f9400661)
  ---[ end trace 4d4bd7f573490c8e ]---
  Kernel panic - not syncing: Fatal exception
  SMP: stopping secondary CPUs
  Kernel Offset: disabled
  CPU features: 0x002,20000c38
  Memory Limit: none
  ---[ end Kernel panic - not syncing: Fatal exception ]---

Link: http://lkml.kernel.org/r/20190122132916.28360-1-cai@lca.pw
Fixes: 9f1eb38e0e11 ("mm, kmemleak: little optimization while scanning")
Signed-off-by: Qian Cai <cai@lca.pw>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/memory_hotplug.h | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 34a28227068dc..3040bedee1991 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -21,14 +21,16 @@ struct vmem_altmap;
  * walkers which rely on the fully initialized page->flags and others
  * should use this rather than pfn_valid && pfn_to_page
  */
-#define pfn_to_online_page(pfn)				\
-({							\
-	struct page *___page = NULL;			\
-	unsigned long ___nr = pfn_to_section_nr(pfn);	\
-							\
-	if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr))\
-		___page = pfn_to_page(pfn);		\
-	___page;					\
+#define pfn_to_online_page(pfn)					   \
+({								   \
+	struct page *___page = NULL;				   \
+	unsigned long ___pfn = pfn;				   \
+	unsigned long ___nr = pfn_to_section_nr(___pfn);	   \
+								   \
+	if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \
+	    pfn_valid_within(___pfn))				   \
+		___page = pfn_to_page(___pfn);			   \
+	___page;						   \
 })
 
 /*
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 183/219] xfs: end sync buffer I/O properly on shutdown error
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (173 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 182/219] mm/hotplug: invalid PFNs from pfn_to_online_page() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 184/219] net/smc: fix sender_free computation Sasha Levin
                   ` (34 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Brian Foster, Dave Chinner, Darrick J . Wong, Sasha Levin, linux-xfs

From: Brian Foster <bfoster@redhat.com>

[ Upstream commit 465fa17f4a303d9fdff9eac4d45f91ece92e96ca ]

As of commit e339dd8d8b ("xfs: use sync buffer I/O for sync delwri
queue submission"), the delwri submission code uses sync buffer I/O
for sync delwri I/O. Instead of waiting on async I/O to unlock the
buffer, it uses the underlying sync I/O completion mechanism.

If delwri buffer submission fails due to a shutdown scenario, an
error is set on the buffer and buffer completion never occurs. This
can cause xfs_buf_delwri_submit() to deadlock waiting on a
completion event.

We could check the error state before waiting on such buffers, but
that doesn't serialize against the case of an error set via a racing
I/O completion. Instead, invoke I/O completion in the shutdown case
regardless of buffer I/O type.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/xfs/xfs_buf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index e839907e8492f..78173870502ce 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1470,8 +1470,7 @@ __xfs_buf_submit(
 		xfs_buf_ioerror(bp, -EIO);
 		bp->b_flags &= ~XBF_DONE;
 		xfs_buf_stale(bp);
-		if (bp->b_flags & XBF_ASYNC)
-			xfs_buf_ioend(bp);
+		xfs_buf_ioend(bp);
 		return -EIO;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 184/219] net/smc: fix sender_free computation
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (174 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 183/219] xfs: end sync buffer I/O properly on shutdown error Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 185/219] blktrace: Show requests without sector Sasha Levin
                   ` (33 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ursula Braun, David S . Miller, Sasha Levin, linux-s390, netdev

From: Ursula Braun <ubraun@linux.ibm.com>

[ Upstream commit b8649efad879c69c7ab1f19ce8814fcabef1f72b ]

In some scenarios a separate consumer cursor update is necessary.
The decision is made in smc_tx_consumer_cursor_update(). The
sender_free computation could be wrong:

The rx confirmed cursor is always smaller than or equal to the
rx producer cursor. The parameters in the smc_curs_diff() call
have to be exchanged, otherwise sender_free might even be negative.

And if more data arrives local_rx_ctrl.prod might be updated, enabling
a cursor difference between local_rx_ctrl.prod and rx confirmed cursor
larger than the RMB size. This case is not covered by smc_curs_diff().
Thus function smc_curs_diff_large() is introduced here.

If a recvmsg() is processed in parallel, local_tx_ctrl.cons might
change during smc_cdc_msg_send. Make sure rx_curs_confirmed is updated
with the actually sent local_tx_ctrl.cons value.

Fixes: e82f2e31f559 ("net/smc: optimize consumer cursor updates")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/smc/smc_cdc.c |  5 +++--
 net/smc/smc_cdc.h | 26 +++++++++++++++++++++++++-
 net/smc/smc_tx.c  |  3 ++-
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index ed5dcf03fe0b6..8f691b5a44ddf 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -96,6 +96,7 @@ int smc_cdc_msg_send(struct smc_connection *conn,
 		     struct smc_wr_buf *wr_buf,
 		     struct smc_cdc_tx_pend *pend)
 {
+	union smc_host_cursor cfed;
 	struct smc_link *link;
 	int rc;
 
@@ -107,10 +108,10 @@ int smc_cdc_msg_send(struct smc_connection *conn,
 	conn->local_tx_ctrl.seqno = conn->tx_cdc_seq;
 	smc_host_msg_to_cdc((struct smc_cdc_msg *)wr_buf,
 			    &conn->local_tx_ctrl, conn);
+	smc_curs_copy(&cfed, &((struct smc_host_cdc_msg *)wr_buf)->cons, conn);
 	rc = smc_wr_tx_send(link, (struct smc_wr_tx_pend_priv *)pend);
 	if (!rc)
-		smc_curs_copy(&conn->rx_curs_confirmed,
-			      &conn->local_tx_ctrl.cons, conn);
+		smc_curs_copy(&conn->rx_curs_confirmed, &cfed, conn);
 
 	return rc;
 }
diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h
index 934df4473a7ce..2377a51772d51 100644
--- a/net/smc/smc_cdc.h
+++ b/net/smc/smc_cdc.h
@@ -135,7 +135,9 @@ static inline void smc_curs_copy_net(union smc_cdc_cursor *tgt,
 #endif
 }
 
-/* calculate cursor difference between old and new, where old <= new */
+/* calculate cursor difference between old and new, where old <= new and
+ * difference cannot exceed size
+ */
 static inline int smc_curs_diff(unsigned int size,
 				union smc_host_cursor *old,
 				union smc_host_cursor *new)
@@ -160,6 +162,28 @@ static inline int smc_curs_comp(unsigned int size,
 	return smc_curs_diff(size, old, new);
 }
 
+/* calculate cursor difference between old and new, where old <= new and
+ * difference may exceed size
+ */
+static inline int smc_curs_diff_large(unsigned int size,
+				      union smc_host_cursor *old,
+				      union smc_host_cursor *new)
+{
+	if (old->wrap < new->wrap)
+		return min_t(int,
+			     (size - old->count) + new->count +
+			     (new->wrap - old->wrap - 1) * size,
+			     size);
+
+	if (old->wrap > new->wrap) /* wrap has switched from 0xffff to 0x0000 */
+		return min_t(int,
+			     (size - old->count) + new->count +
+			     (new->wrap + 0xffff - old->wrap) * size,
+			     size);
+
+	return max_t(int, 0, (new->count - old->count));
+}
+
 static inline void smc_host_cursor_to_cdc(union smc_cdc_cursor *peer,
 					  union smc_host_cursor *local,
 					  struct smc_connection *conn)
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index f1f621675db01..0ecbbdc337b82 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -595,7 +595,8 @@ void smc_tx_consumer_update(struct smc_connection *conn, bool force)
 	if (to_confirm > conn->rmbe_update_limit) {
 		smc_curs_copy(&prod, &conn->local_rx_ctrl.prod, conn);
 		sender_free = conn->rmb_desc->len -
-			      smc_curs_diff(conn->rmb_desc->len, &prod, &cfed);
+			      smc_curs_diff_large(conn->rmb_desc->len,
+						  &cfed, &prod);
 	}
 
 	if (conn->local_rx_ctrl.prod_flags.cons_curs_upd_req ||
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 185/219] blktrace: Show requests without sector
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (175 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 184/219] net/smc: fix sender_free computation Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 186/219] net/smc: fix byte_order for rx_curs_confirmed Sasha Levin
                   ` (32 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jan Kara, Johannes Thumshirn, Jens Axboe, Sasha Levin

From: Jan Kara <jack@suse.cz>

[ Upstream commit 0803de78049fe1b0baf44bcddc727b036fb9139b ]

Currently, blktrace will not show requests that don't have any data as
rq->__sector is initialized to -1 which is out of device range and thus
discarded by act_log_check(). This is most notably the case for cache
flush requests sent to the device. Fix the problem by making
blk_rq_trace_sector() return 0 for requests without initialized sector.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/blktrace_api.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 8804753805ac5..7bb2d8de9f308 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -116,7 +116,13 @@ extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes);
 
 static inline sector_t blk_rq_trace_sector(struct request *rq)
 {
-	return blk_rq_is_passthrough(rq) ? 0 : blk_rq_pos(rq);
+	/*
+	 * Tracing should ignore starting sector for passthrough requests and
+	 * requests where starting sector didn't get set.
+	 */
+	if (blk_rq_is_passthrough(rq) || blk_rq_pos(rq) == (sector_t)-1)
+		return 0;
+	return blk_rq_pos(rq);
 }
 
 static inline unsigned int blk_rq_trace_nr_sectors(struct request *rq)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 186/219] net/smc: fix byte_order for rx_curs_confirmed
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (176 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 185/219] blktrace: Show requests without sector Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 187/219] tipc: fix skb may be leaky in tipc_link_input Sasha Levin
                   ` (31 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ursula Braun, David S . Miller, Sasha Levin, linux-s390, netdev

From: Ursula Braun <ubraun@linux.ibm.com>

[ Upstream commit ccc8ca9b90acb45a3309f922b2591b07b4e070ec ]

The recent change in the rx_curs_confirmed assignment disregards
byte order, which causes problems on little endian architectures.
This patch fixes it.

Fixes: b8649efad879 ("net/smc: fix sender_free computation") (net-tree)
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/smc/smc_cdc.c |  4 +---
 net/smc/smc_cdc.h | 19 ++++++++++---------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index 8f691b5a44ddf..333e4353498f8 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -106,9 +106,7 @@ int smc_cdc_msg_send(struct smc_connection *conn,
 
 	conn->tx_cdc_seq++;
 	conn->local_tx_ctrl.seqno = conn->tx_cdc_seq;
-	smc_host_msg_to_cdc((struct smc_cdc_msg *)wr_buf,
-			    &conn->local_tx_ctrl, conn);
-	smc_curs_copy(&cfed, &((struct smc_host_cdc_msg *)wr_buf)->cons, conn);
+	smc_host_msg_to_cdc((struct smc_cdc_msg *)wr_buf, conn, &cfed);
 	rc = smc_wr_tx_send(link, (struct smc_wr_tx_pend_priv *)pend);
 	if (!rc)
 		smc_curs_copy(&conn->rx_curs_confirmed, &cfed, conn);
diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h
index 2377a51772d51..34d2e1450320a 100644
--- a/net/smc/smc_cdc.h
+++ b/net/smc/smc_cdc.h
@@ -186,26 +186,27 @@ static inline int smc_curs_diff_large(unsigned int size,
 
 static inline void smc_host_cursor_to_cdc(union smc_cdc_cursor *peer,
 					  union smc_host_cursor *local,
+					  union smc_host_cursor *save,
 					  struct smc_connection *conn)
 {
-	union smc_host_cursor temp;
-
-	smc_curs_copy(&temp, local, conn);
-	peer->count = htonl(temp.count);
-	peer->wrap = htons(temp.wrap);
+	smc_curs_copy(save, local, conn);
+	peer->count = htonl(save->count);
+	peer->wrap = htons(save->wrap);
 	/* peer->reserved = htons(0); must be ensured by caller */
 }
 
 static inline void smc_host_msg_to_cdc(struct smc_cdc_msg *peer,
-				       struct smc_host_cdc_msg *local,
-				       struct smc_connection *conn)
+				       struct smc_connection *conn,
+				       union smc_host_cursor *save)
 {
+	struct smc_host_cdc_msg *local = &conn->local_tx_ctrl;
+
 	peer->common.type = local->common.type;
 	peer->len = local->len;
 	peer->seqno = htons(local->seqno);
 	peer->token = htonl(local->token);
-	smc_host_cursor_to_cdc(&peer->prod, &local->prod, conn);
-	smc_host_cursor_to_cdc(&peer->cons, &local->cons, conn);
+	smc_host_cursor_to_cdc(&peer->prod, &local->prod, save, conn);
+	smc_host_cursor_to_cdc(&peer->cons, &local->cons, save, conn);
 	peer->prod_flags = local->prod_flags;
 	peer->conn_state_flags = local->conn_state_flags;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 187/219] tipc: fix skb may be leaky in tipc_link_input
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (177 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 186/219] net/smc: fix byte_order for rx_curs_confirmed Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 188/219] ASoC: samsung: i2s: Fix prescaler setting for the secondary DAI Sasha Levin
                   ` (30 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hoang Le, Ying Xue, Jon Maloy, David S . Miller, Sasha Levin,
	netdev, tipc-discussion

From: Hoang Le <hoang.h.le@dektech.com.au>

[ Upstream commit 7384b538d3aed2ed49d3575483d17aeee790fb06 ]

When we free skb at tipc_data_input, we return a 'false' boolean.
Then, skb passed to subcalling tipc_link_input in tipc_link_rcv,

<snip>
1303 int tipc_link_rcv:
...
1354    if (!tipc_data_input(l, skb, l->inputq))
1355        rc |= tipc_link_input(l, skb, l->inputq);
</snip>

Fix it by simple changing to a 'true' boolean when skb is being free-ed.
Then, tipc_link_rcv will bypassed to subcalling tipc_link_input as above
condition.

Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <maloy@donjonn.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/tipc/link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/link.c b/net/tipc/link.c
index 6344aca4487b6..0fbf8ea18ce04 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1114,7 +1114,7 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb,
 	default:
 		pr_warn("Dropping received illegal msg type\n");
 		kfree_skb(skb);
-		return false;
+		return true;
 	};
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 188/219] ASoC: samsung: i2s: Fix prescaler setting for the secondary DAI
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (178 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 187/219] tipc: fix skb may be leaky in tipc_link_input Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 189/219] sfc: initialise found bitmap in efx_ef10_mtd_probe Sasha Levin
                   ` (29 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sylwester Nawrocki, Krzysztof Kozlowski, Mark Brown, Sasha Levin,
	alsa-devel

From: Sylwester Nawrocki <s.nawrocki@samsung.com>

[ Upstream commit 323fb7b947b265753de34703dbbf8acc8ea3a4de ]

Make sure i2s->rclk_srcrate is properly initialized also during
playback through the secondary DAI.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/samsung/i2s.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index ce00fe2f6aae3..d4bde4834ce5f 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -604,6 +604,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
 	unsigned int fmt)
 {
 	struct i2s_dai *i2s = to_info(dai);
+	struct i2s_dai *other = get_other_dai(i2s);
 	int lrp_shift, sdf_shift, sdf_mask, lrp_rlow, mod_slave;
 	u32 mod, tmp = 0;
 	unsigned long flags;
@@ -661,7 +662,8 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
 		 * CLK_I2S_RCLK_SRC clock is not exposed so we ensure any
 		 * clock configuration assigned in DT is not overwritten.
 		 */
-		if (i2s->rclk_srcrate == 0 && i2s->clk_data.clks == NULL)
+		if (i2s->rclk_srcrate == 0 && i2s->clk_data.clks == NULL &&
+		    other->clk_data.clks == NULL)
 			i2s_set_sysclk(dai, SAMSUNG_I2S_RCLKSRC_0,
 							0, SND_SOC_CLOCK_IN);
 		break;
@@ -699,6 +701,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 {
 	struct i2s_dai *i2s = to_info(dai);
+	struct i2s_dai *other = get_other_dai(i2s);
 	u32 mod, mask = 0, val = 0;
 	struct clk *rclksrc;
 	unsigned long flags;
@@ -784,6 +787,9 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
 	i2s->frmclk = params_rate(params);
 
 	rclksrc = i2s->clk_table[CLK_I2S_RCLK_SRC];
+	if (!rclksrc || IS_ERR(rclksrc))
+		rclksrc = other->clk_table[CLK_I2S_RCLK_SRC];
+
 	if (rclksrc && !IS_ERR(rclksrc))
 		i2s->rclk_srcrate = clk_get_rate(rclksrc);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 189/219] sfc: initialise found bitmap in efx_ef10_mtd_probe
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (179 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 188/219] ASoC: samsung: i2s: Fix prescaler setting for the secondary DAI Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 190/219] geneve: change NET_UDP_TUNNEL dependency to select Sasha Levin
                   ` (28 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Bert Kenward, David S . Miller, Sasha Levin, netdev

From: Bert Kenward <bkenward@solarflare.com>

[ Upstream commit c65285428b6e7797f1bb063f33b0ae7e93397b7b ]

The bitmap of found partitions in efx_ef10_mtd_probe was not
initialised, causing partitions to be suppressed based off whatever
value was in the bitmap at the start.

Fixes: 3366463513f5 ("sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe")
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/sfc/ef10.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index a497aace7e4f4..1f971d31ec302 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -6108,7 +6108,7 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
 static int efx_ef10_mtd_probe(struct efx_nic *efx)
 {
 	MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX);
-	DECLARE_BITMAP(found, EF10_NVRAM_PARTITION_COUNT);
+	DECLARE_BITMAP(found, EF10_NVRAM_PARTITION_COUNT) = { 0 };
 	struct efx_mcdi_mtd_partition *parts;
 	size_t outlen, n_parts_total, i, n_parts;
 	unsigned int type;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 190/219] geneve: change NET_UDP_TUNNEL dependency to select
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (180 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 189/219] sfc: initialise found bitmap in efx_ef10_mtd_probe Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 191/219] net: fix possible overflow in __sk_mem_raise_allocated() Sasha Levin
                   ` (27 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Matteo Croce, Andrea Claudi, Davide Caratti, David S . Miller,
	Sasha Levin, netdev

From: Matteo Croce <mcroce@redhat.com>

[ Upstream commit a7603ac1fc8ce1409f8ff70e6ce505f308b2c002 ]

Due to the depends on NET_UDP_TUNNEL, at the moment it is impossible to
compile GENEVE if no other protocol depending on NET_UDP_TUNNEL is
selected.

Fix this changing the depends to a select, and drop NET_IP_TUNNEL from the
select list, as it already depends on NET_UDP_TUNNEL.

Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reviewed-and-tested-by: Andrea Claudi <aclaudi@redhat.com>
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 619bf1498a662..0652caad57ec1 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -197,9 +197,9 @@ config VXLAN
 
 config GENEVE
        tristate "Generic Network Virtualization Encapsulation"
-       depends on INET && NET_UDP_TUNNEL
+       depends on INET
        depends on IPV6 || !IPV6
-       select NET_IP_TUNNEL
+       select NET_UDP_TUNNEL
        select GRO_CELLS
        ---help---
 	  This allows one to create geneve virtual interfaces that provide
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 191/219] net: fix possible overflow in __sk_mem_raise_allocated()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (181 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 190/219] geneve: change NET_UDP_TUNNEL dependency to select Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 192/219] net: ip_gre: do not report erspan_ver for gre or gretap Sasha Levin
                   ` (26 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Eric Dumazet, David S . Miller, Sasha Levin, netdev

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit 5bf325a53202b8728cf7013b72688c46071e212e ]

With many active TCP sockets, fat TCP sockets could fool
__sk_mem_raise_allocated() thanks to an overflow.

They would increase their share of the memory, instead
of decreasing it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/net/sock.h | 2 +-
 net/core/sock.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 0252c0d003104..4545a9ecc2193 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1272,7 +1272,7 @@ static inline void sk_sockets_allocated_inc(struct sock *sk)
 	percpu_counter_inc(sk->sk_prot->sockets_allocated);
 }
 
-static inline int
+static inline u64
 sk_sockets_allocated_read_positive(struct sock *sk)
 {
 	return percpu_counter_read_positive(sk->sk_prot->sockets_allocated);
diff --git a/net/core/sock.c b/net/core/sock.c
index 6c11078217769..f49bcaf1deefa 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2435,7 +2435,7 @@ int __sk_mem_raise_allocated(struct sock *sk, int size, int amt, int kind)
 	}
 
 	if (sk_has_memory_pressure(sk)) {
-		int alloc;
+		u64 alloc;
 
 		if (!sk_under_memory_pressure(sk))
 			return 1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 192/219] net: ip_gre: do not report erspan_ver for gre or gretap
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (182 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 191/219] net: fix possible overflow in __sk_mem_raise_allocated() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 193/219] net: ip6_gre: do not report erspan_ver for ip6gre or ip6gretap Sasha Levin
                   ` (25 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lorenzo Bianconi, David S . Miller, Sasha Levin, netdev

From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>

[ Upstream commit 2bdf700e538828d6456150b9319e5f689b062d54 ]

Report erspan version field to userspace in ipgre_fill_info just for
erspan tunnels. The issue can be triggered with the following reproducer:

$ip link add name gre1 type gre local 192.168.0.1 remote 192.168.1.1
$ip link set dev gre1 up
$ip -d link sh gre1
13: gre1@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1476 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/gre 192.168.0.1 peer 192.168.1.1 promiscuity 0 minmtu 0 maxmtu 0
    gre remote 192.168.1.1 local 192.168.0.1 ttl inherit erspan_ver 0 addrgenmode eui64 numtxqueues 1 numrxqueues 1

Fixes: f551c91de262 ("net: erspan: introduce erspan v2 for ip_gre")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/ip_gre.c | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 758a0f86d499f..1cb6142532536 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1469,9 +1469,23 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	struct ip_tunnel_parm *p = &t->parms;
 	__be16 o_flags = p->o_flags;
 
-	if ((t->erspan_ver == 1 || t->erspan_ver == 2) &&
-	    !t->collect_md)
-		o_flags |= TUNNEL_KEY;
+	if (t->erspan_ver == 1 || t->erspan_ver == 2) {
+		if (!t->collect_md)
+			o_flags |= TUNNEL_KEY;
+
+		if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))
+			goto nla_put_failure;
+
+		if (t->erspan_ver == 1) {
+			if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))
+				goto nla_put_failure;
+		} else {
+			if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))
+				goto nla_put_failure;
+			if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))
+				goto nla_put_failure;
+		}
+	}
 
 	if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
 	    nla_put_be16(skb, IFLA_GRE_IFLAGS,
@@ -1507,19 +1521,6 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 			goto nla_put_failure;
 	}
 
-	if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))
-		goto nla_put_failure;
-
-	if (t->erspan_ver == 1) {
-		if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))
-			goto nla_put_failure;
-	} else if (t->erspan_ver == 2) {
-		if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))
-			goto nla_put_failure;
-		if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))
-			goto nla_put_failure;
-	}
-
 	return 0;
 
 nla_put_failure:
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 193/219] net: ip6_gre: do not report erspan_ver for ip6gre or ip6gretap
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (183 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 192/219] net: ip_gre: do not report erspan_ver for gre or gretap Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 194/219] sctp: don't compare hb_timer expire date before starting it Sasha Levin
                   ` (24 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lorenzo Bianconi, David S . Miller, Sasha Levin, netdev

From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>

[ Upstream commit 103d0244d29fcaf38f1339d4538919bbbc051490 ]

Report erspan version field to userspace in ip6gre_fill_info just for
erspan_v6 tunnels. Moreover report IFLA_GRE_ERSPAN_INDEX only for
erspan version 1.
The issue can be triggered with the following reproducer:

$ip link add name gre6 type ip6gre local 2001::1 remote 2002::2
$ip link set gre6 up
$ip -d link sh gre6
14: grep6@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1448 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/gre6 2001::1 peer 2002::2 promiscuity 0 minmtu 0 maxmtu 0
    ip6gre remote 2002::2 local 2001::1 hoplimit 64 encaplimit 4 tclass 0x00 flowlabel 0x00000 erspan_index 0 erspan_ver 0 addrgenmode eui64

Fixes: 94d7d8f29287 ("ip6_gre: add erspan v2 support")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv6/ip6_gre.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index dee4113f21a9a..8fd28edd6ac57 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -2135,9 +2135,23 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	struct __ip6_tnl_parm *p = &t->parms;
 	__be16 o_flags = p->o_flags;
 
-	if ((p->erspan_ver == 1 || p->erspan_ver == 2) &&
-	    !p->collect_md)
-		o_flags |= TUNNEL_KEY;
+	if (p->erspan_ver == 1 || p->erspan_ver == 2) {
+		if (!p->collect_md)
+			o_flags |= TUNNEL_KEY;
+
+		if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, p->erspan_ver))
+			goto nla_put_failure;
+
+		if (p->erspan_ver == 1) {
+			if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
+				goto nla_put_failure;
+		} else {
+			if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, p->dir))
+				goto nla_put_failure;
+			if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, p->hwid))
+				goto nla_put_failure;
+		}
+	}
 
 	if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
 	    nla_put_be16(skb, IFLA_GRE_IFLAGS,
@@ -2152,8 +2166,7 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	    nla_put_u8(skb, IFLA_GRE_ENCAP_LIMIT, p->encap_limit) ||
 	    nla_put_be32(skb, IFLA_GRE_FLOWINFO, p->flowinfo) ||
 	    nla_put_u32(skb, IFLA_GRE_FLAGS, p->flags) ||
-	    nla_put_u32(skb, IFLA_GRE_FWMARK, p->fwmark) ||
-	    nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
+	    nla_put_u32(skb, IFLA_GRE_FWMARK, p->fwmark))
 		goto nla_put_failure;
 
 	if (nla_put_u16(skb, IFLA_GRE_ENCAP_TYPE,
@@ -2171,19 +2184,6 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 			goto nla_put_failure;
 	}
 
-	if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, p->erspan_ver))
-		goto nla_put_failure;
-
-	if (p->erspan_ver == 1) {
-		if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, p->index))
-			goto nla_put_failure;
-	} else if (p->erspan_ver == 2) {
-		if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, p->dir))
-			goto nla_put_failure;
-		if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, p->hwid))
-			goto nla_put_failure;
-	}
-
 	return 0;
 
 nla_put_failure:
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 194/219] sctp: don't compare hb_timer expire date before starting it
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (184 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 193/219] net: ip6_gre: do not report erspan_ver for ip6gre or ip6gretap Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 195/219] bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id() Sasha Levin
                   ` (23 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Maciej Kwiecien, Marcin Stojek, Alexander Sverdlin,
	Marcelo Ricardo Leitner, David S . Miller, Sasha Levin,
	linux-sctp, netdev

From: Maciej Kwiecien <maciej.kwiecien@nokia.com>

[ Upstream commit d1f20c03f48102e52eb98b8651d129b83134cae4 ]

hb_timer might not start at all for a particular transport because its
start is conditional. In a result a node is not sending heartbeats.

Function sctp_transport_reset_hb_timer has two roles:
    - initial start of hb_timer for a given transport,
    - update expire date of hb_timer for a given transport.
The function is optimized to update timer's expire only if it is before
a new calculated one but this comparison is invalid for a timer which
has not yet started. Such a timer has expire == 0 and if a new expire
value is bigger than (MAX_JIFFIES / 2 + 2) then "time_before" macro will
fail and timer will not start resulting in no heartbeat packets send by
the node.

This was found when association was initialized within first 5 mins
after system boot due to jiffies init value which is near to MAX_JIFFIES.

Test kernel version: 4.9.154 (ARCH=arm)
hb_timer.expire = 0;                //initialized, not started timer
new_expire = MAX_JIFFIES / 2 + 2;   //or more
time_before(hb_timer.expire, new_expire) == false

Fixes: ba6f5e33bdbb ("sctp: avoid refreshing heartbeat timer too often")
Reported-by: Marcin Stojek <marcin.stojek@nokia.com>
Tested-by: Marcin Stojek <marcin.stojek@nokia.com>
Signed-off-by: Maciej Kwiecien <maciej.kwiecien@nokia.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/sctp/transport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 033696e6f74fb..ad158d311ffae 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -207,7 +207,8 @@ void sctp_transport_reset_hb_timer(struct sctp_transport *transport)
 
 	/* When a data chunk is sent, reset the heartbeat interval.  */
 	expires = jiffies + sctp_transport_timeout(transport);
-	if (time_before(transport->hb_timer.expires, expires) &&
+	if ((time_before(transport->hb_timer.expires, expires) ||
+	     !timer_pending(&transport->hb_timer)) &&
 	    !mod_timer(&transport->hb_timer,
 		       expires + prandom_u32_max(transport->rto)))
 		sctp_transport_hold(transport);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 195/219] bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (185 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 194/219] sctp: don't compare hb_timer expire date before starting it Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 196/219] mmc: core: align max segment size with logical block size Sasha Levin
                   ` (22 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peng Sun, Martin KaFai Lau, Daniel Borkmann, Sasha Levin, netdev, bpf

From: Peng Sun <sironhide0null@gmail.com>

[ Upstream commit 781e62823cb81b972dc8652c1827205cda2ac9ac ]

In bpf/syscall.c, bpf_map_get_fd_by_id() use bpf_map_inc_not_zero()
to increase the refcount, both map->refcnt and map->usercnt. Then, if
bpf_map_new_fd() fails, should handle map->usercnt too.

Fixes: bd5f5f4ecb78 ("bpf: Add BPF_MAP_GET_FD_BY_ID")
Signed-off-by: Peng Sun <sironhide0null@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 6e544e364821e..90bb0c05c10e9 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1887,7 +1887,7 @@ static int bpf_map_get_fd_by_id(const union bpf_attr *attr)
 
 	fd = bpf_map_new_fd(map, f_flags);
 	if (fd < 0)
-		bpf_map_put(map);
+		bpf_map_put_with_uref(map);
 
 	return fd;
 }
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 196/219] mmc: core: align max segment size with logical block size
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (186 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 195/219] bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 197/219] net: dev: Use unsigned integer as an argument to left-shift Sasha Levin
                   ` (21 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ming Lei, Naresh Kamboju, Christoph Hellwig, Faiz Abbas,
	linux-block, Ulf Hansson, Sasha Levin, linux-mmc

From: Ming Lei <ming.lei@redhat.com>

[ Upstream commit c53336c8f5f29043fded57912cc06c24e12613d7 ]

Logical block size is the lowest possible block size that the storage
device can address. Max segment size is often related with controller's
DMA capability. And it is reasonable to align max segment size with
logical block size.

SDHCI sets un-aligned max segment size, and causes ADMA error, so
fix it by aligning max segment size with logical block size.

Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Faiz Abbas <faiz_abbas@ti.com>
Cc: linux-block@vger.kernel.org
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mmc/core/block.c | 6 ------
 drivers/mmc/core/queue.c | 9 ++++++++-
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index eee004fb3c3e3..527ab15c421f9 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2384,12 +2384,6 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 	snprintf(md->disk->disk_name, sizeof(md->disk->disk_name),
 		 "mmcblk%u%s", card->host->index, subname ? subname : "");
 
-	if (mmc_card_mmc(card))
-		blk_queue_logical_block_size(md->queue.queue,
-					     card->ext_csd.data_sector_size);
-	else
-		blk_queue_logical_block_size(md->queue.queue, 512);
-
 	set_capacity(md->disk, size);
 
 	if (mmc_host_cmd23(card->host)) {
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 18aae28845ec9..becc6594a8a47 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -355,6 +355,7 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
 {
 	struct mmc_host *host = card->host;
 	u64 limit = BLK_BOUNCE_HIGH;
+	unsigned block_size = 512;
 
 	if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask)
 		limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT;
@@ -368,7 +369,13 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
 	blk_queue_max_hw_sectors(mq->queue,
 		min(host->max_blk_count, host->max_req_size / 512));
 	blk_queue_max_segments(mq->queue, host->max_segs);
-	blk_queue_max_segment_size(mq->queue, host->max_seg_size);
+
+	if (mmc_card_mmc(card))
+		block_size = card->ext_csd.data_sector_size;
+
+	blk_queue_logical_block_size(mq->queue, block_size);
+	blk_queue_max_segment_size(mq->queue,
+			round_down(host->max_seg_size, block_size));
 
 	INIT_WORK(&mq->recovery_work, mmc_mq_recovery_handler);
 	INIT_WORK(&mq->complete_work, mmc_blk_mq_complete_work);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 197/219] net: dev: Use unsigned integer as an argument to left-shift
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (187 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 196/219] mmc: core: align max segment size with logical block size Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 199/219] bpf: drop refcount if bpf_map_new_fd() fails in map_create() Sasha Levin
                   ` (20 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Andy Shevchenko, David S . Miller, Sasha Levin, netdev

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

[ Upstream commit f4d7b3e23d259c44f1f1c39645450680fcd935d6 ]

1 << 31 is Undefined Behaviour according to the C standard.
Use U type modifier to avoid theoretical overflow.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/netdevice.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8c2fec0bcb265..5ada5fd9652dd 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3790,7 +3790,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
 	if (debug_value == 0)	/* no output */
 		return 0;
 	/* set low N bits */
-	return (1 << debug_value) - 1;
+	return (1U << debug_value) - 1;
 }
 
 static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 199/219] bpf: drop refcount if bpf_map_new_fd() fails in map_create()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (188 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 197/219] net: dev: Use unsigned integer as an argument to left-shift Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 200/219] net: hns3: Change fw error code NOT_EXEC to NOT_SUPPORTED Sasha Levin
                   ` (19 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peng Sun, Martin KaFai Lau, Alexei Starovoitov, Daniel Borkmann,
	Sasha Levin, netdev, bpf

From: Peng Sun <sironhide0null@gmail.com>

[ Upstream commit 352d20d611414715353ee65fc206ee57ab1a6984 ]

In bpf/syscall.c, map_create() first set map->usercnt to 1, a file
descriptor is supposed to return to userspace. When bpf_map_new_fd()
fails, drop the refcount.

Fixes: bd5f5f4ecb78 ("bpf: Add BPF_MAP_GET_FD_BY_ID")
Signed-off-by: Peng Sun <sironhide0null@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 90bb0c05c10e9..596959288eb9e 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -559,12 +559,12 @@ static int map_create(union bpf_attr *attr)
 	err = bpf_map_new_fd(map, f_flags);
 	if (err < 0) {
 		/* failed to allocate fd.
-		 * bpf_map_put() is needed because the above
+		 * bpf_map_put_with_uref() is needed because the above
 		 * bpf_map_alloc_id() has published the map
 		 * to the userspace and the userspace may
 		 * have refcnt-ed it through BPF_MAP_GET_FD_BY_ID.
 		 */
-		bpf_map_put(map);
+		bpf_map_put_with_uref(map);
 		return err;
 	}
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 200/219] net: hns3: Change fw error code NOT_EXEC to NOT_SUPPORTED
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (189 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 199/219] bpf: drop refcount if bpf_map_new_fd() fails in map_create() Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 201/219] net: hns3: fix PFC not setting problem for DCB module Sasha Levin
                   ` (18 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yunsheng Lin, Peng Li, Huazhong Tan, David S . Miller,
	Sasha Levin, netdev

From: Yunsheng Lin <linyunsheng@huawei.com>

[ Upstream commit 4a402f47cfce904051cd8b31bef4fe2910d9dce9 ]

According to firmware error code definition, the error code of 2
means NOT_SUPPORTED, this patch changes it to NOT_SUPPORTED.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 2 ++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 68026a5ad7e77..8fe3a0d2e5f1c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -260,6 +260,8 @@ int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num)
 
 			if (desc_ret == HCLGE_CMD_EXEC_SUCCESS)
 				retval = 0;
+			else if (desc_ret == HCLGE_CMD_NOT_SUPPORTED)
+				retval = -EOPNOTSUPP;
 			else
 				retval = -EIO;
 			hw->cmq.last_status = desc_ret;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 821d4c2f84bd3..d7520686509fd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -39,7 +39,7 @@ struct hclge_cmq_ring {
 enum hclge_cmd_return_status {
 	HCLGE_CMD_EXEC_SUCCESS	= 0,
 	HCLGE_CMD_NO_AUTH	= 1,
-	HCLGE_CMD_NOT_EXEC	= 2,
+	HCLGE_CMD_NOT_SUPPORTED	= 2,
 	HCLGE_CMD_QUEUE_FULL	= 3,
 };
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 201/219] net: hns3: fix PFC not setting problem for DCB module
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (190 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 200/219] net: hns3: Change fw error code NOT_EXEC to NOT_SUPPORTED Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 202/219] net: hns3: fix an issue for hclgevf_ae_get_hdev Sasha Levin
                   ` (17 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yunsheng Lin, Peng Li, Huazhong Tan, David S . Miller,
	Sasha Levin, netdev

From: Yunsheng Lin <linyunsheng@huawei.com>

[ Upstream commit d3ad430ac531e65f29c9737f86744c425c9173ef ]

The PFC enabling is based on user priority, currently it is
based on TC, which may cause PFC not setting correctly when pri
to TC mapping is not one to one relation.

This patch adds pfc_en in tm_info to fix it.

Fixes: cacde272dd00 ("net: hns3: Add hclge_dcb module for the support of DCB feature")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c  | 7 ++++---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 1 +
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c   | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
index 92f19384e2585..a75d7c826fc2b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
@@ -245,6 +245,9 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc)
 	    hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE)
 		return -EINVAL;
 
+	if (pfc->pfc_en == hdev->tm_info.pfc_en)
+		return 0;
+
 	prio_tc = hdev->tm_info.prio_tc;
 	pfc_map = 0;
 
@@ -257,10 +260,8 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc)
 		}
 	}
 
-	if (pfc_map == hdev->tm_info.hw_pfc_map)
-		return 0;
-
 	hdev->tm_info.hw_pfc_map = pfc_map;
+	hdev->tm_info.pfc_en = pfc->pfc_en;
 
 	return hclge_pause_setup_hw(hdev);
 }
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 1528fb3fa6be6..260b1e7796908 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -249,6 +249,7 @@ struct hclge_tm_info {
 	struct hclge_tc_info tc_info[HNAE3_MAX_TC];
 	enum hclge_fc_mode fc_mode;
 	u8 hw_pfc_map; /* Allow for packet drop or not on this TC */
+	u8 pfc_en;	/* PFC enabled or not for user priority */
 };
 
 struct hclge_comm_stats_str {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index 11e9259ca0407..daf364e421b73 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
@@ -1162,7 +1162,7 @@ static int hclge_pfc_setup_hw(struct hclge_dev *hdev)
 				HCLGE_RX_MAC_PAUSE_EN_MSK;
 
 	return hclge_pfc_pause_en_cfg(hdev, enable_bitmap,
-				      hdev->tm_info.hw_pfc_map);
+				      hdev->tm_info.pfc_en);
 }
 
 /* Each Tc has a 1024 queue sets to backpress, it divides to
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 202/219] net: hns3: fix an issue for hclgevf_ae_get_hdev
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (191 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 201/219] net: hns3: fix PFC not setting problem for DCB module Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 203/219] net: hns3: fix an issue for hns3_update_new_int_gl Sasha Levin
                   ` (16 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peng Li, Huazhong Tan, David S . Miller, Sasha Levin, netdev

From: Peng Li <lipeng321@huawei.com>

[ Upstream commit eed9535f9f716a532ec0c5d6cc7a48584acdf435 ]

HNS3 VF driver support NIC and Roce, hdev stores NIC
handle and Roce handle, should use correct parameter for
container_of.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 5570fb5dc2eb4..f6a579220ec18 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -26,7 +26,12 @@ MODULE_DEVICE_TABLE(pci, ae_algovf_pci_tbl);
 static inline struct hclgevf_dev *hclgevf_ae_get_hdev(
 	struct hnae3_handle *handle)
 {
-	return container_of(handle, struct hclgevf_dev, nic);
+	if (!handle->client)
+		return container_of(handle, struct hclgevf_dev, nic);
+	else if (handle->client->type == HNAE3_CLIENT_ROCE)
+		return container_of(handle, struct hclgevf_dev, roce);
+	else
+		return container_of(handle, struct hclgevf_dev, nic);
 }
 
 static int hclgevf_tqps_update_stats(struct hnae3_handle *handle)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 203/219] net: hns3: fix an issue for hns3_update_new_int_gl
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (192 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 202/219] net: hns3: fix an issue for hclgevf_ae_get_hdev Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 204/219] iommu/amd: Fix NULL dereference bug in match_hid_uid Sasha Levin
                   ` (15 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peng Li, Huazhong Tan, David S . Miller, Sasha Levin, netdev

From: Peng Li <lipeng321@huawei.com>

[ Upstream commit 6241e71e7207102ffc733991f7a00f74098d7da0 ]

HNS3 supports setting rx-usecs|tx-usecs as 0, but it will not
update dynamically when adaptive-tx or adaptive-rx is enable.
This patch removes the Redundant check.

Fixes: a95e1f8666e9 ("net: hns3: change the time interval of int_gl calculating")
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 0ccfa6a845353..0ea791e0ae0f5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2377,7 +2377,7 @@ static bool hns3_get_new_int_gl(struct hns3_enet_ring_group *ring_group)
 	u32 time_passed_ms;
 	u16 new_int_gl;
 
-	if (!ring_group->coal.int_gl || !tqp_vector->last_jiffies)
+	if (!tqp_vector->last_jiffies)
 		return false;
 
 	if (ring_group->total_packets == 0) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 204/219] iommu/amd: Fix NULL dereference bug in match_hid_uid
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (193 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 203/219] net: hns3: fix an issue for hns3_update_new_int_gl Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 205/219] apparmor: delete the dentry in aafs_remove() to avoid a leak Sasha Levin
                   ` (14 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Aaron Ma, Joerg Roedel, Sasha Levin, iommu

From: Aaron Ma <aaron.ma@canonical.com>

[ Upstream commit bb6bccba390c7d743c1e4427de4ef284c8cc6869 ]

Add a non-NULL check to fix potential NULL pointer dereference
Cleanup code to call function once.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Fixes: 2bf9a0a12749b ('iommu/amd: Add iommu support for ACPI HID devices')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd_iommu.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 1f2ed44de2438..fe18804a50083 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -139,10 +139,14 @@ static struct lock_class_key reserved_rbtree_key;
 static inline int match_hid_uid(struct device *dev,
 				struct acpihid_map_entry *entry)
 {
+	struct acpi_device *adev = ACPI_COMPANION(dev);
 	const char *hid, *uid;
 
-	hid = acpi_device_hid(ACPI_COMPANION(dev));
-	uid = acpi_device_uid(ACPI_COMPANION(dev));
+	if (!adev)
+		return -ENODEV;
+
+	hid = acpi_device_hid(adev);
+	uid = acpi_device_uid(adev);
 
 	if (!hid || !(*hid))
 		return -ENODEV;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 205/219] apparmor: delete the dentry in aafs_remove() to avoid a leak
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (194 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 204/219] iommu/amd: Fix NULL dereference bug in match_hid_uid Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 206/219] scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery Sasha Levin
                   ` (13 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Chris Coulson, John Johansen, Sasha Levin, linux-security-module

From: Chris Coulson <chris.coulson@canonical.com>

[ Upstream commit 201218e4d3dfa1346e30997f48725acce3f26d01 ]

Although the apparmorfs dentries are always dropped from the dentry cache
when the usage count drops to zero, there is no guarantee that this will
happen in aafs_remove(), as another thread might still be using it. In
this scenario, this means that the dentry will temporarily continue to
appear in the results of lookups, even after the call to aafs_remove().

In the case of removal of a profile - it also causes simple_rmdir()
on the profile directory to fail, as the directory won't be empty until
the usage counts of all child dentries have decreased to zero. This
results in the dentry for the profile directory leaking and appearing
empty in the file system tree forever.

Signed-off-by: Chris Coulson <chris.coulson@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 security/apparmor/apparmorfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 40e3a098f6fb5..d95a7e41a29d4 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -361,6 +361,7 @@ static void aafs_remove(struct dentry *dentry)
 			simple_rmdir(dir, dentry);
 		else
 			simple_unlink(dir, dentry);
+		d_delete(dentry);
 		dput(dentry);
 	}
 	inode_unlock(dir);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 206/219] scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (195 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 205/219] apparmor: delete the dentry in aafs_remove() to avoid a leak Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 207/219] ACPI / APEI: Don't wait to serialise with oops messages when panic()ing Sasha Levin
                   ` (12 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: John Garry, Jian Luo, Martin K . Petersen, Sasha Levin, linux-scsi

From: John Garry <john.garry@huawei.com>

[ Upstream commit cec9771d2e954650095aa37a6a97722c8194e7d2 ]

   +----------+             +----------+
   |          |             |          |
   |          |--- 3.0 G ---|          |--- 6.0 G --- SAS  disk
   |          |             |          |
   |          |--- 3.0 G ---|          |--- 6.0 G --- SAS  disk
   |initiator |             |          |
   | device   |--- 3.0 G ---| Expander |--- 6.0 G --- SAS  disk
   |          |             |          |
   |          |--- 3.0 G ---|          |--- 6.0 G --- SATA disk  -->failed to connect
   |          |             |          |
   |          |             |          |--- 6.0 G --- SATA disk  -->failed to connect
   |          |             |          |
   +----------+             +----------+

According to Serial Attached SCSI - 1.1 (SAS-1.1):
If an expander PHY attached to a SATA PHY is using a physical link rate
greater than the maximum connection rate supported by the pathway from an
STP initiator port, a management application client should use the SMP PHY
CONTROL function (see 10.4.3.10) to set the PROGRAMMED MAXIMUM PHYSICAL
LINK RATE field of the expander PHY to the maximum connection rate
supported by the pathway from that STP initiator port.

Currently libsas does not support checking if this condition occurs, nor
rectifying when it does.

Such a condition is not at all common, however it has been seen on some
pre-silicon environments where the initiator PHY only supports a 1.5 Gbit
maximum linkrate, mated with 12G expander PHYs and 3/6G SATA phy.

This patch adds support for checking and rectifying this condition during
initial device discovery only.

We do support checking min pathway connection rate during revalidation phase,
when new devices can be detected in the topology. However we do not
support in the case of the the user reprogramming PHY linkrates, such that
min pathway condition is not met/maintained.

A note on root port PHY rates:
The libsas root port PHY rates calculation is broken. Libsas sets the
rates (min, max, and current linkrate) of a root port to the same linkrate
of the first PHY member of that same port. In doing so, it assumes that
all other PHYs which subsequently join the port to have the same
negotiated linkrate, when they could actually be different.

In practice this doesn't happen, as initiator and expander PHYs are
normally initialised with consistent min/max linkrates.

This has not caused an issue so far, so leave alone for now.

Tested-by: Jian Luo <luojian5@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/libsas/sas_expander.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index b141d1061f38e..23b5516e80304 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -817,6 +817,26 @@ static struct domain_device *sas_ex_discover_end_dev(
 
 #ifdef CONFIG_SCSI_SAS_ATA
 	if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) {
+		if (child->linkrate > parent->min_linkrate) {
+			struct sas_phy_linkrates rates = {
+				.maximum_linkrate = parent->min_linkrate,
+				.minimum_linkrate = parent->min_linkrate,
+			};
+			int ret;
+
+			pr_notice("ex %016llx phy%02d SATA device linkrate > min pathway connection rate, attempting to lower device linkrate\n",
+				   SAS_ADDR(child->sas_addr), phy_id);
+			ret = sas_smp_phy_control(parent, phy_id,
+						  PHY_FUNC_LINK_RESET, &rates);
+			if (ret) {
+				pr_err("ex %016llx phy%02d SATA device could not set linkrate (%d)\n",
+				       SAS_ADDR(child->sas_addr), phy_id, ret);
+				goto out_free;
+			}
+			pr_notice("ex %016llx phy%02d SATA device set linkrate successfully\n",
+				  SAS_ADDR(child->sas_addr), phy_id);
+			child->linkrate = child->min_linkrate;
+		}
 		res = sas_get_ata_info(child, phy);
 		if (res)
 			goto out_free;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 207/219] ACPI / APEI: Don't wait to serialise with oops messages when panic()ing
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (196 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 206/219] scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 208/219] ACPI / APEI: Switch estatus pool to use vmalloc memory Sasha Levin
                   ` (11 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: James Morse, Borislav Petkov, Rafael J . Wysocki, Sasha Levin,
	linux-acpi

From: James Morse <james.morse@arm.com>

[ Upstream commit 78b0b690f6558ed788dccafa45965325dd11ba89 ]

oops_begin() exists to group printk() messages with the oops message
printed by die(). To reach this caller we know that platform firmware
took this error first, then notified the OS via NMI with a 'panic'
severity.

Don't wait for another CPU to release the die-lock before panic()ing,
our only goal is to print this fatal error and panic().

This code is always called in_nmi(), and since commit 42a0bb3f7138
("printk/nmi: generic solution for safe printk in NMI"), it has been
safe to call printk() from this context. Messages are batched in a
per-cpu buffer and printed via irq-work, or a call back from panic().

Link: https://patchwork.kernel.org/patch/10313555/
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/apei/ghes.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index f008ba7c9cedc..0c46b79e31b1e 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -33,7 +33,6 @@
 #include <linux/interrupt.h>
 #include <linux/timer.h>
 #include <linux/cper.h>
-#include <linux/kdebug.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
 #include <linux/ratelimit.h>
@@ -949,7 +948,6 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
 
 		sev = ghes_severity(ghes->estatus->error_severity);
 		if (sev >= GHES_SEV_PANIC) {
-			oops_begin();
 			ghes_print_queued_estatus();
 			__ghes_panic(ghes);
 		}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 208/219] ACPI / APEI: Switch estatus pool to use vmalloc memory
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (197 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 207/219] ACPI / APEI: Don't wait to serialise with oops messages when panic()ing Sasha Levin
@ 2019-11-22  5:48 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 209/219] scsi: hisi_sas: shutdown axi bus to avoid exception CQ returned Sasha Levin
                   ` (10 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:48 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: James Morse, Borislav Petkov, Rafael J . Wysocki, Sasha Levin,
	linux-acpi

From: James Morse <james.morse@arm.com>

[ Upstream commit 0ac234be1a9497498e57d958f4251f5257b116b4 ]

The ghes code is careful to parse and round firmware's advertised
memory requirements for CPER records, up to a maximum of 64K.
However when ghes_estatus_pool_expand() does its work, it splits
the requested size into PAGE_SIZE granules.

This means if firmware generates 5K of CPER records, and correctly
describes this in the table, __process_error() will silently fail as it
is unable to allocate more than PAGE_SIZE.

Switch the estatus pool to vmalloc() memory. On x86 vmalloc() memory
may fault and be fixed up by vmalloc_fault(). To prevent this call
vmalloc_sync_all() before an NMI handler could discover the memory.

Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/apei/ghes.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 0c46b79e31b1e..73177b8a07bd1 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -170,40 +170,40 @@ static int ghes_estatus_pool_init(void)
 	return 0;
 }
 
-static void ghes_estatus_pool_free_chunk_page(struct gen_pool *pool,
+static void ghes_estatus_pool_free_chunk(struct gen_pool *pool,
 					      struct gen_pool_chunk *chunk,
 					      void *data)
 {
-	free_page(chunk->start_addr);
+	vfree((void *)chunk->start_addr);
 }
 
 static void ghes_estatus_pool_exit(void)
 {
 	gen_pool_for_each_chunk(ghes_estatus_pool,
-				ghes_estatus_pool_free_chunk_page, NULL);
+				ghes_estatus_pool_free_chunk, NULL);
 	gen_pool_destroy(ghes_estatus_pool);
 }
 
 static int ghes_estatus_pool_expand(unsigned long len)
 {
-	unsigned long i, pages, size, addr;
-	int ret;
+	unsigned long size, addr;
 
 	ghes_estatus_pool_size_request += PAGE_ALIGN(len);
 	size = gen_pool_size(ghes_estatus_pool);
 	if (size >= ghes_estatus_pool_size_request)
 		return 0;
-	pages = (ghes_estatus_pool_size_request - size) / PAGE_SIZE;
-	for (i = 0; i < pages; i++) {
-		addr = __get_free_page(GFP_KERNEL);
-		if (!addr)
-			return -ENOMEM;
-		ret = gen_pool_add(ghes_estatus_pool, addr, PAGE_SIZE, -1);
-		if (ret)
-			return ret;
-	}
 
-	return 0;
+	addr = (unsigned long)vmalloc(PAGE_ALIGN(len));
+	if (!addr)
+		return -ENOMEM;
+
+	/*
+	 * New allocation must be visible in all pgd before it can be found by
+	 * an NMI allocating from the pool.
+	 */
+	vmalloc_sync_all();
+
+	return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
 }
 
 static int map_gen_v2(struct ghes *ghes)
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 209/219] scsi: hisi_sas: shutdown axi bus to avoid exception CQ returned
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (198 preceding siblings ...)
  2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 208/219] ACPI / APEI: Switch estatus pool to use vmalloc memory Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 210/219] scsi: libsas: Check SMP PHY control function result Sasha Levin
                   ` (9 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Xiang Chen, John Garry, Martin K . Petersen, Sasha Levin, linux-scsi

From: Xiang Chen <chenxiang66@hisilicon.com>

[ Upstream commit 5c31b0c677531c2b8b4e29b3cfb923df663f39b7 ]

When injecting 2 bit ECC error, it will cause fatal AXI interrupts. Before
the recovery of SAS controller reset, the internal of SAS controller is in
error. If CQ interrupts return at the time, actually it is exception CQ
interrupt, and it may cause resource release in disorder.

To avoid the exception situation, shutdown AXI bus after fatal AXI
interrupt. In SAS controller reset, it will restart AXI bus. For later
version of v3 hw, hardware will shutdown AXI bus for this situation, so
just fix current ver of v3 hw.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 3922b17e2ea39..675768ee648e7 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -1520,6 +1520,7 @@ static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p)
 	u32 irq_value, irq_msk;
 	struct hisi_hba *hisi_hba = p;
 	struct device *dev = hisi_hba->dev;
+	struct pci_dev *pdev = hisi_hba->pci_dev;
 	int i;
 
 	irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
@@ -1551,6 +1552,17 @@ static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p)
 				error->msg, irq_value);
 			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
 		}
+
+		if (pdev->revision < 0x21) {
+			u32 reg_val;
+
+			reg_val = hisi_sas_read32(hisi_hba,
+						  AXI_MASTER_CFG_BASE +
+						  AM_CTRL_GLOBAL);
+			reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
+			hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+					 AM_CTRL_GLOBAL, reg_val);
+		}
 	}
 
 	if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 210/219] scsi: libsas: Check SMP PHY control function result
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (199 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 209/219] scsi: hisi_sas: shutdown axi bus to avoid exception CQ returned Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 211/219] RDMA/hns: Fix the bug with updating rq head pointer when flush cqe Sasha Levin
                   ` (8 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: John Garry, Jian Luo, Martin K . Petersen, Sasha Levin, linux-scsi

From: John Garry <john.garry@huawei.com>

[ Upstream commit 01929a65dfa13e18d89264ab1378854a91857e59 ]

Currently the SMP PHY control execution result is checked, however the
function result for the command is not.

As such, we may be missing all potential errors, like SMP FUNCTION FAILED,
INVALID REQUEST FRAME LENGTH, etc., meaning the PHY control request has
failed.

In some scenarios we need to ensure the function result is accepted, so add
a check for this.

Tested-by: Jian Luo <luojian5@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/libsas/sas_expander.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 23b5516e80304..c6ed75b6abeec 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -614,7 +614,14 @@ int sas_smp_phy_control(struct domain_device *dev, int phy_id,
 	}
 
 	res = smp_execute_task(dev, pc_req, PC_REQ_SIZE, pc_resp,PC_RESP_SIZE);
-
+	if (res) {
+		pr_err("ex %016llx phy%02d PHY control failed: %d\n",
+		       SAS_ADDR(dev->sas_addr), phy_id, res);
+	} else if (pc_resp[2] != SMP_RESP_FUNC_ACC) {
+		pr_err("ex %016llx phy%02d PHY control failed: function result 0x%x\n",
+		       SAS_ADDR(dev->sas_addr), phy_id, pc_resp[2]);
+		res = pc_resp[2];
+	}
 	kfree(pc_resp);
 	kfree(pc_req);
 	return res;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 211/219] RDMA/hns: Fix the bug with updating rq head pointer when flush cqe
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (200 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 210/219] scsi: libsas: Check SMP PHY control function result Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 212/219] RDMA/hns: Bugfix for the scene without receiver queue Sasha Levin
                   ` (7 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Lijun Ou, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Lijun Ou <oulijun@huawei.com>

[ Upstream commit 9c6ccc035c209dda07685e8dba829a203ba17499 ]

When flush cqe with srq, the driver disable to update the rq head pointer
into the hardware.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index cf878e1b71fc1..587db5cf3be15 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3499,13 +3499,16 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
 		roce_set_field(qpc_mask->byte_160_sq_ci_pi,
 			       V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M,
 			       V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, 0);
-		roce_set_field(context->byte_84_rq_ci_pi,
+
+		if (!ibqp->srq) {
+			roce_set_field(context->byte_84_rq_ci_pi,
 			       V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M,
 			       V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S,
 			       hr_qp->rq.head);
-		roce_set_field(qpc_mask->byte_84_rq_ci_pi,
+			roce_set_field(qpc_mask->byte_84_rq_ci_pi,
 			       V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M,
 			       V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0);
+		}
 	}
 
 	if (attr_mask & IB_QP_AV) {
@@ -3967,7 +3970,8 @@ static void hns_roce_set_qps_to_err(struct hns_roce_dev *hr_dev, u32 qpn)
 	if (hr_qp->ibqp.uobject) {
 		if (hr_qp->sdb_en == 1) {
 			hr_qp->sq.head = *(int *)(hr_qp->sdb.virt_addr);
-			hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
+			if (hr_qp->rdb_en == 1)
+				hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
 		} else {
 			dev_warn(hr_dev->dev, "flush cqe is unsupported in userspace!\n");
 			return;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 212/219] RDMA/hns: Bugfix for the scene without receiver queue
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (201 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 211/219] RDMA/hns: Fix the bug with updating rq head pointer when flush cqe Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 213/219] RDMA/hns: Fix the state of rereg mr Sasha Levin
                   ` (6 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Lijun Ou, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Lijun Ou <oulijun@huawei.com>

[ Upstream commit 4d103905eb1e4f14cb62fcf962c9d35da7005dea ]

In some application scenario, the user could not have receive queue when
run rdma write or read operation.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_qp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 2fa4fb17f6d3c..44729ae5f11cd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -503,7 +503,8 @@ static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr)
 static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr)
 {
 	if (attr->qp_type == IB_QPT_XRC_INI ||
-	    attr->qp_type == IB_QPT_XRC_TGT || attr->srq)
+	    attr->qp_type == IB_QPT_XRC_TGT || attr->srq ||
+	    !attr->cap.max_recv_wr)
 		return 0;
 
 	return 1;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 213/219] RDMA/hns: Fix the state of rereg mr
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (202 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 212/219] RDMA/hns: Bugfix for the scene without receiver queue Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 214/219] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp Sasha Levin
                   ` (5 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Yixian Liu, Jason Gunthorpe, Sasha Levin, linux-rdma

From: Yixian Liu <liuyixian@huawei.com>

[ Upstream commit ab22bf05216a6bb4812448f3a8609489047cf311 ]

The state of mr after reregister operation should be set to valid
state. Otherwise, it will keep the same as the state before reregistered.

Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 587db5cf3be15..9ab3ab3c4219f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1773,6 +1773,9 @@ static int hns_roce_v2_rereg_write_mtpt(struct hns_roce_dev *hr_dev,
 	struct hns_roce_v2_mpt_entry *mpt_entry = mb_buf;
 	int ret = 0;
 
+	roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M,
+		       V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID);
+
 	if (flags & IB_MR_REREG_PD) {
 		roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M,
 			       V2_MPT_BYTE_4_PD_S, pdn);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 214/219] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (203 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 213/219] RDMA/hns: Fix the state of rereg mr Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 215/219] ASoC: rt5645: Headphone Jack sense inverts on the LattePanda board Sasha Levin
                   ` (4 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: YueHaibing, Jason Gunthorpe, Sasha Levin, linux-rdma

From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 4e69cf1fe2c52d189acdd06c1fd99cc258aba61f ]

The the below commit, hns_roce_v2_modify_qp is called inside spinlock
while using GFP_KERNEL. Change it to GFP_ATOMIC.

Fixes: 0425e3e6e0c7 ("RDMA/hns: Support flush cqe for hip08 in kernel space")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 9ab3ab3c4219f..2caa95ed966c5 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3442,7 +3442,7 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
 	struct device *dev = hr_dev->dev;
 	int ret = -EINVAL;
 
-	context = kcalloc(2, sizeof(*context), GFP_KERNEL);
+	context = kcalloc(2, sizeof(*context), GFP_ATOMIC);
 	if (!context)
 		return -ENOMEM;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 215/219] ASoC: rt5645: Headphone Jack sense inverts on the LattePanda board
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (204 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 214/219] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 216/219] f2fs: fix to data block override node segment by mistake Sasha Levin
                   ` (3 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Hui Wang, Mark Brown, Sasha Levin, alsa-devel

From: Hui Wang <hui.wang@canonical.com>

[ Upstream commit 406dcbc55a0a20fd155be889a4a0c4b812f7c18e ]

The LattePanda board has a sound card chtrt5645, when there is nothing
plugged in the headphone jack, the system thinks the headphone is
plugged in, while we plug a headphone in the jack, the system thinks
the headphone is unplugged.

If adding quirk=0x21 in the module parameter, the headphone jack can
work well. So let us fix it via platform_data.

https://bugs.launchpad.net/bugs/182459
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/rt5645.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 1dc70f452c1b9..f842db498c741 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3662,6 +3662,11 @@ static const struct rt5645_platform_data jd_mode3_platform_data = {
 	.jd_mode = 3,
 };
 
+static const struct rt5645_platform_data lattepanda_board_platform_data = {
+	.jd_mode = 2,
+	.inv_jd1_1 = true
+};
+
 static const struct dmi_system_id dmi_platform_data[] = {
 	{
 		.ident = "Chrome Buddy",
@@ -3759,6 +3764,15 @@ static const struct dmi_system_id dmi_platform_data[] = {
 		},
 		.driver_data = (void *)&intel_braswell_platform_data,
 	},
+	{
+		.ident = "LattePanda board",
+		.matches = {
+		  DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		  DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
+		  DMI_EXACT_MATCH(DMI_BOARD_VERSION, "Default string"),
+		},
+		.driver_data = (void *)&lattepanda_board_platform_data,
+	},
 	{ }
 };
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 216/219] f2fs: fix to data block override node segment by mistake
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (205 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 215/219] ASoC: rt5645: Headphone Jack sense inverts on the LattePanda board Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 217/219] powerpc/pseries/dlpar: Fix a missing check in dlpar_parse_cc_property() Sasha Levin
                   ` (2 subsequent siblings)
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: zhengliang, Chao Yu, Jaegeuk Kim, Sasha Levin, linux-f2fs-devel

From: zhengliang <zhengliang6@huawei.com>

[ Upstream commit a0770e13c8da83bdb64738c0209ab02dd3cfff8b ]

v4: Rearrange the previous three versions.

The following scenario could lead to data block override by mistake.

TASK A            |  TASK kworker                                            |     TASK B                                            |       TASK C
                  |                                                          |                                                       |
open              |                                                          |                                                       |
write             |                                                          |                                                       |
close             |                                                          |                                                       |
                  |  f2fs_write_data_pages                                   |                                                       |
                  |    f2fs_write_cache_pages                                |                                                       |
                  |      f2fs_outplace_write_data                            |                                                       |
                  |        f2fs_allocate_data_block (get block in seg S,     |                                                       |
                  |                                  S is full, and only     |                                                       |
                  |                                  have this valid data    |                                                       |
                  |                                  block)                  |                                                       |
                  |          allocate_segment                                |                                                       |
                  |          locate_dirty_segment (mark S as PRE)            |                                                       |
                  |        f2fs_submit_page_write (submit but is not         |                                                       |
                  |                                written on dev)           |                                                       |
unlink            |                                                          |                                                       |
 iput_final       |                                                          |                                                       |
  f2fs_drop_inode |                                                          |                                                       |
    f2fs_truncate |                                                          |                                                       |
 (not evict)      |                                                          |                                                       |
                  |                                                          | write_checkpoint                                      |
                  |                                                          |  flush merged bio but not wait file data writeback    |
                  |                                                          |  set_prefree_as_free (mark S as FREE)                 |
                  |                                                          |                                                       | update NODE/DATA
                  |                                                          |                                                       | allocate_segment (select S)
                  |     writeback done                                       |                                                       |

So we need to guarantee io complete before truncate inode in f2fs_drop_inode.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Zheng Liang <zhengliang6@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/super.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index d9106bbe7df63..d01998ed32343 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -890,6 +890,10 @@ static int f2fs_drop_inode(struct inode *inode)
 			sb_start_intwrite(inode->i_sb);
 			f2fs_i_size_write(inode, 0);
 
+			f2fs_submit_merged_write_cond(F2FS_I_SB(inode),
+					inode, NULL, 0, DATA);
+			truncate_inode_pages_final(inode->i_mapping);
+
 			if (F2FS_HAS_BLOCKS(inode))
 				f2fs_truncate(inode);
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 217/219] powerpc/pseries/dlpar: Fix a missing check in dlpar_parse_cc_property()
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (206 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 216/219] f2fs: fix to data block override node segment by mistake Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 218/219] xdp: fix cpumap redirect SKB creation bug Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 219/219] mtd: Remove a debug trace in mtdpart.c Sasha Levin
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gen Zhang, Michael Ellerman, Sasha Levin, linuxppc-dev

From: Gen Zhang <blackgod016574@gmail.com>

[ Upstream commit efa9ace68e487ddd29c2b4d6dd23242158f1f607 ]

In dlpar_parse_cc_property(), 'prop->name' is allocated by kstrdup().
kstrdup() may return NULL, so it should be checked and handle error.
And prop should be freed if 'prop->name' is NULL.

Signed-off-by: Gen Zhang <blackgod016574@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/platforms/pseries/dlpar.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index e3010b14aea51..c5ffcadab7302 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -63,6 +63,10 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa)
 
 	name = (char *)ccwa + be32_to_cpu(ccwa->name_offset);
 	prop->name = kstrdup(name, GFP_KERNEL);
+	if (!prop->name) {
+		dlpar_free_cc_property(prop);
+		return NULL;
+	}
 
 	prop->length = be32_to_cpu(ccwa->prop_length);
 	value = (char *)ccwa + be32_to_cpu(ccwa->prop_offset);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 218/219] xdp: fix cpumap redirect SKB creation bug
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (207 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 217/219] powerpc/pseries/dlpar: Fix a missing check in dlpar_parse_cc_property() Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 219/219] mtd: Remove a debug trace in mtdpart.c Sasha Levin
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jesper Dangaard Brouer, Alexei Starovoitov, Sasha Levin, netdev, bpf

From: Jesper Dangaard Brouer <brouer@redhat.com>

[ Upstream commit 676e4a6fe703f2dae699ee9d56f14516f9ada4ea ]

We want to avoid leaking pointer info from xdp_frame (that is placed in
top of frame) like commit 6dfb970d3dbd ("xdp: avoid leaking info stored in
frame data on page reuse"), and followup commit 97e19cce05e5 ("bpf:
reserve xdp_frame size in xdp headroom") that reserve this headroom.

These changes also affected how cpumap constructed SKBs, as xdpf->headroom
size changed, the skb data starting point were in-effect shifted with 32
bytes (sizeof xdp_frame). This was still okay, as the cpumap frame_size
calculation also included xdpf->headroom which were reduced by same amount.

A bug was introduced in commit 77ea5f4cbe20 ("bpf/cpumap: make sure
frame_size for build_skb is aligned if headroom isn't"), where the
xdpf->headroom became part of the SKB_DATA_ALIGN rounding up. This
round-up to find the frame_size is in principle still correct as it does
not exceed the 2048 bytes frame_size (which is max for ixgbe and i40e),
but the 32 bytes offset of pkt_data_start puts this over the 2048 bytes
limit. This cause skb_shared_info to spill into next frame. It is a little
hard to trigger, as the SKB need to use above 15 skb_shinfo->frags[] as
far as I calculate. This does happen in practise for TCP streams when
skb_try_coalesce() kicks in.

KASAN can be used to detect these wrong memory accesses, I've seen:
 BUG: KASAN: use-after-free in skb_try_coalesce+0x3cb/0x760
 BUG: KASAN: wild-memory-access in skb_release_data+0xe2/0x250

Driver veth also construct a SKB from xdp_frame in this way, but is not
affected, as it doesn't reserve/deduct the room (used by xdp_frame) from
the SKB headroom. Instead is clears the pointers via xdp_scrub_frame(),
and allows SKB to use this area.

The fix in this patch is to do like veth and instead allow SKB to (re)use
the area occupied by xdp_frame, by clearing via xdp_scrub_frame().  (This
does kill the idea of the SKB being able to access (mem) info from this
area, but I guess it was a bad idea anyhow, and it was already killed by
the veth changes.)

Fixes: 77ea5f4cbe20 ("bpf/cpumap: make sure frame_size for build_skb is aligned if headroom isn't")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/cpumap.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 8974b3755670e..3c18260403dde 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -162,10 +162,14 @@ static void cpu_map_kthread_stop(struct work_struct *work)
 static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
 					 struct xdp_frame *xdpf)
 {
+	unsigned int hard_start_headroom;
 	unsigned int frame_size;
 	void *pkt_data_start;
 	struct sk_buff *skb;
 
+	/* Part of headroom was reserved to xdpf */
+	hard_start_headroom = sizeof(struct xdp_frame) +  xdpf->headroom;
+
 	/* build_skb need to place skb_shared_info after SKB end, and
 	 * also want to know the memory "truesize".  Thus, need to
 	 * know the memory frame size backing xdp_buff.
@@ -183,15 +187,15 @@ static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
 	 * is not at a fixed memory location, with mixed length
 	 * packets, which is bad for cache-line hotness.
 	 */
-	frame_size = SKB_DATA_ALIGN(xdpf->len + xdpf->headroom) +
+	frame_size = SKB_DATA_ALIGN(xdpf->len + hard_start_headroom) +
 		SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 
-	pkt_data_start = xdpf->data - xdpf->headroom;
+	pkt_data_start = xdpf->data - hard_start_headroom;
 	skb = build_skb(pkt_data_start, frame_size);
 	if (!skb)
 		return NULL;
 
-	skb_reserve(skb, xdpf->headroom);
+	skb_reserve(skb, hard_start_headroom);
 	__skb_put(skb, xdpf->len);
 	if (xdpf->metasize)
 		skb_metadata_set(skb, xdpf->metasize);
@@ -205,6 +209,9 @@ static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
 	 * - RX ring dev queue index	(skb_record_rx_queue)
 	 */
 
+	/* Allow SKB to reuse area used by xdp_frame */
+	xdp_scrub_frame(xdpf);
+
 	return skb;
 }
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 215+ messages in thread

* [PATCH AUTOSEL 4.19 219/219] mtd: Remove a debug trace in mtdpart.c
  2019-11-22  5:45 [PATCH AUTOSEL 4.19 008/219] ARM: dts: imx51: Fix memory node duplication Sasha Levin
                   ` (208 preceding siblings ...)
  2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 218/219] xdp: fix cpumap redirect SKB creation bug Sasha Levin
@ 2019-11-22  5:49 ` Sasha Levin
  209 siblings, 0 replies; 215+ messages in thread
From: Sasha Levin @ 2019-11-22  5:49 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Boris Brezillon, Sasha Levin, linux