From: Mathew McBride <matt@traverse.com.au> To: Shawn Guo <shawnguo@kernel.org>, Li Yang <leoyang.li@nxp.com>, Ioana Ciornei <ioana.ciornei@nxp.com>, Rob Herring <robh+dt@kernel.org>, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Mathew McBride <matt@traverse.com.au> Subject: [PATCH v3 2/5] arm64: dts: ls1088a: add missing PMU node Date: Tue, 10 Aug 2021 05:38:25 +0000 [thread overview] Message-ID: <20210810053828.4240-3-matt@traverse.com.au> (raw) In-Reply-To: <20210810053828.4240-1-matt@traverse.com.au> The Performance Manager Unit was not described in the DTS which meant performance event monitoring was not possible. This was exposed by a change to the PMU handling in KVM in 5.11-rc3 which now prevents a PMU being exposed to a guest when the host does not provide one: "KVM: arm64: Don't access PMCR_EL0 when no PMU is available" Signed-off-by: Mathew McBride <matt@traverse.com.au> --- arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi index 79ceadc9dc4a..f85e437f80b7 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi @@ -189,6 +189,11 @@ timer { <1 10 IRQ_TYPE_LEVEL_LOW>;/* Hypervisor PPI */ }; + pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>; + }; + psci { compatible = "arm,psci-0.2"; method = "smc"; -- 2.30.1
WARNING: multiple messages have this Message-ID (diff)
From: Mathew McBride <matt@traverse.com.au> To: Shawn Guo <shawnguo@kernel.org>, Li Yang <leoyang.li@nxp.com>, Ioana Ciornei <ioana.ciornei@nxp.com>, Rob Herring <robh+dt@kernel.org>, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Mathew McBride <matt@traverse.com.au> Subject: [PATCH v3 2/5] arm64: dts: ls1088a: add missing PMU node Date: Tue, 10 Aug 2021 05:38:25 +0000 [thread overview] Message-ID: <20210810053828.4240-3-matt@traverse.com.au> (raw) In-Reply-To: <20210810053828.4240-1-matt@traverse.com.au> The Performance Manager Unit was not described in the DTS which meant performance event monitoring was not possible. This was exposed by a change to the PMU handling in KVM in 5.11-rc3 which now prevents a PMU being exposed to a guest when the host does not provide one: "KVM: arm64: Don't access PMCR_EL0 when no PMU is available" Signed-off-by: Mathew McBride <matt@traverse.com.au> --- arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi index 79ceadc9dc4a..f85e437f80b7 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi @@ -189,6 +189,11 @@ timer { <1 10 IRQ_TYPE_LEVEL_LOW>;/* Hypervisor PPI */ }; + pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>; + }; + psci { compatible = "arm,psci-0.2"; method = "smc"; -- 2.30.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-08-10 5:39 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-22 4:24 [PATCH 0/5] Add Traverse Technologies Ten64 board DTS Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-22 4:24 ` [PATCH 1/5] arm64: dts: ls1088a: add internal PCS for DPMAC1 node Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-22 7:48 ` Ioana Ciornei 2021-07-22 7:48 ` Ioana Ciornei 2021-07-22 4:24 ` [PATCH 2/5] arm64: dts: ls1088a: add missing PMU node Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-23 8:36 ` Shawn Guo 2021-07-23 8:36 ` Shawn Guo 2021-07-22 4:24 ` [PATCH 3/5] dt-bindings: vendor-prefixes: add Traverse Technologies Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-22 4:24 ` [PATCH 4/5] dt-bindings: arm: fsl: Add Traverse Ten64 (LS1088A) board Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-22 4:24 ` [PATCH 5/5] arm64: dts: add device tree for Traverse Ten64 (LS1088A) Mathew McBride 2021-07-22 4:24 ` Mathew McBride 2021-07-22 8:44 ` Ioana Ciornei 2021-07-22 8:44 ` Ioana Ciornei 2021-07-23 9:46 ` Shawn Guo 2021-07-23 9:46 ` Shawn Guo 2021-07-26 7:12 ` [PATCH v2 0/5] Add Traverse Technologies Ten64 board DTS Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-26 7:12 ` [PATCH v2 1/5] arm64: dts: ls1088a: add internal PCS for DPMAC1 node Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-26 7:12 ` [PATCH v2 2/5] arm64: dts: ls1088a: add missing PMU node Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-26 7:12 ` [PATCH v2 3/5] dt-bindings: vendor-prefixes: add Traverse Technologies Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-29 22:41 ` Rob Herring 2021-07-29 22:41 ` Rob Herring 2021-07-26 7:12 ` [PATCH v2 4/5] dt-bindings: arm: fsl: Add Traverse Ten64 (LS1088A) board Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-29 22:45 ` Rob Herring 2021-07-29 22:45 ` Rob Herring 2021-07-26 7:12 ` [PATCH v2 5/5] arm64: dts: add device tree for Traverse Ten64 (LS1088A) Mathew McBride 2021-07-26 7:12 ` Mathew McBride 2021-07-29 22:45 ` Rob Herring 2021-07-29 22:45 ` Rob Herring 2021-08-10 5:38 ` [PATCH v3 0/5] Add Traverse Technologies Ten64 board DTS Mathew McBride 2021-08-10 5:38 ` Mathew McBride 2021-08-10 5:38 ` [PATCH v3 1/5] arm64: dts: ls1088a: add internal PCS for DPMAC1 node Mathew McBride 2021-08-10 5:38 ` Mathew McBride 2021-08-10 5:38 ` Mathew McBride [this message] 2021-08-10 5:38 ` [PATCH v3 2/5] arm64: dts: ls1088a: add missing PMU node Mathew McBride 2021-08-10 5:38 ` [PATCH v3 3/5] dt-bindings: vendor-prefixes: add Traverse Technologies Mathew McBride 2021-08-10 5:38 ` Mathew McBride 2021-08-10 5:38 ` [PATCH v3 4/5] dt-bindings: arm: fsl: Add Traverse Ten64 (LS1088A) board Mathew McBride 2021-08-10 5:38 ` Mathew McBride 2021-08-10 5:38 ` [PATCH v3 5/5] arm64: dts: add device tree for Traverse Ten64 (LS1088A) Mathew McBride 2021-08-10 5:38 ` Mathew McBride
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