* Patch "kconfig: tinyconfig: provide whole choice blocks to avoid warnings" has been added to the 4.4-stable tree
@ 2016-09-22 15:42 gregkh
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From: gregkh @ 2016-09-22 15:42 UTC (permalink / raw)
To: arnd, akpm, gregkh, josh, mingo, torvalds, yamada.masahiro
Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
kconfig: tinyconfig: provide whole choice blocks to avoid warnings
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kconfig-tinyconfig-provide-whole-choice-blocks-to-avoid-warnings.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 236dec051078a8691950f56949612b4b74107e48 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 1 Sep 2016 16:14:47 -0700
Subject: kconfig: tinyconfig: provide whole choice blocks to avoid warnings
From: Arnd Bergmann <arnd@arndb.de>
commit 236dec051078a8691950f56949612b4b74107e48 upstream.
Using "make tinyconfig" produces a couple of annoying warnings that show
up for build test machines all the time:
.config:966:warning: override: NOHIGHMEM changes choice state
.config:965:warning: override: SLOB changes choice state
.config:963:warning: override: KERNEL_XZ changes choice state
.config:962:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
.config:933:warning: override: SLOB changes choice state
.config:930:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
.config:870:warning: override: SLOB changes choice state
.config:868:warning: override: KERNEL_XZ changes choice state
.config:867:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
I've made a previous attempt at fixing them and we discussed a number of
alternatives.
I tried changing the Makefile to use "merge_config.sh -n
$(fragment-list)" but couldn't get that to work properly.
This is yet another approach, based on the observation that we do want
to see a warning for conflicting 'choice' options, and that we can
simply make them non-conflicting by listing all other options as
disabled. This is a trivial patch that we can apply independent of
plans for other changes.
Link: http://lkml.kernel.org/r/20160829214952.1334674-2-arnd@arndb.de
Link: https://storage.kernelci.org/mainline/v4.7-rc6/x86-tinyconfig/build.log
https://patchwork.kernel.org/patch/9212749/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/configs/tiny.config | 2 ++
kernel/configs/tiny.config | 8 ++++++++
2 files changed, 10 insertions(+)
--- a/arch/x86/configs/tiny.config
+++ b/arch/x86/configs/tiny.config
@@ -1 +1,3 @@
CONFIG_NOHIGHMEM=y
+# CONFIG_HIGHMEM4G is not set
+# CONFIG_HIGHMEM64G is not set
--- a/kernel/configs/tiny.config
+++ b/kernel/configs/tiny.config
@@ -1,4 +1,12 @@
+# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+# CONFIG_KERNEL_GZIP is not set
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
CONFIG_KERNEL_XZ=y
+# CONFIG_KERNEL_LZO is not set
+# CONFIG_KERNEL_LZ4 is not set
CONFIG_OPTIMIZE_INLINING=y
+# CONFIG_SLAB is not set
+# CONFIG_SLUB is not set
CONFIG_SLOB=y
Patches currently in stable-queue which might be from arnd@arndb.de are
queue-4.4/mmc-dw_mmc-use-resource_size_t-to-store-physical-address.patch
queue-4.4/net-simplify-napi_synchronize-to-avoid-warnings.patch
queue-4.4/soc-qcom-spm-shut-up-uninitialized-variable-warning.patch
queue-4.4/kconfig-tinyconfig-provide-whole-choice-blocks-to-avoid-warnings.patch
queue-4.4/pinctrl-at91-pio4-use-pr-format-string-for-resource.patch
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2016-09-22 15:42 Patch "kconfig: tinyconfig: provide whole choice blocks to avoid warnings" has been added to the 4.4-stable tree gregkh
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