linux-kernel - [PATCH] arm64: kconfig: allow support for memory failure handling

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Date:   Wed,  1 Feb 2017 14:38:35 -0700
From:   Tyler Baicar <tbaicar@...eaurora.org>
To:     catalin.marinas@....com, will.deacon@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     "Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>,
        Tyler Baicar <tbaicar@...eaurora.org>
Subject: [PATCH] arm64: kconfig: allow support for memory failure handling

From: "Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>

If ACPI_APEI and MEMORY_FAILURE is configured, select
ACPI_APEI_MEMORY_FAILURE. This enables memory failure recovery
when such memory failure is reported through ACPI APEI. APEI
(ACPI Platform Error Interfaces) provides a means for the
platform to convey error information to the kernel.

Declare ARCH_SUPPORTS_MEMORY_FAILURE, as arm64 does support
memory failure recovery attempt.

Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@...eaurora.org>
Signed-off-by: Tyler Baicar <tbaicar@...eaurora.org>
---
 arch/arm64/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index f92778d..4cd12a0 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -15,6 +15,8 @@ config ARM64
 	select ARCH_HAS_SG_CHAIN
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_USE_CMPXCHG_LOCKREF
+	select ACPI_APEI_MEMORY_FAILURE if ACPI_APEI && MEMORY_FAILURE
+	select ARCH_SUPPORTS_MEMORY_FAILURE
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_NUMA_BALANCING
 	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
-- 
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Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.