[PATCH] arm64: kconfig: allow support for memory failure handling
Punit Agrawal
punit.agrawal at arm.com
Fri Feb 3 08:27:27 PST 2017
Tyler Baicar <tbaicar at codeaurora.org> writes:
> From: "Jonathan (Zhixiong) Zhang" <zjzhang at codeaurora.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 at codeaurora.org>
> Signed-off-by: Tyler Baicar <tbaicar at codeaurora.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
Although enabling support for memory failure handling makes sense in the
architecture config, it feels out of place to select
ACPI_APEI_MEMORY_FAILURE here.
Maybe key it off of CONFIG_APEI?
Thanks,
Punit
> select ARCH_SUPPORTS_ATOMIC_RMW
> select ARCH_SUPPORTS_NUMA_BALANCING
> select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
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