[PATCH 4/6] arm64: errata: Calling enable functions for CPU errata too
Catalin Marinas
catalin.marinas at arm.com
Fri Jun 24 08:34:24 PDT 2016
On Mon, May 09, 2016 at 05:49:48PM +0100, Andre Przywara wrote:
> Currently we call the (optional) enable function for CPU _features_
> only. As CPU _errata_ descriptions share the same data structure and
> having an enable function is useful for errata as well (for instance
> to set bits in SCTLR), lets call it when enumerating erratas too.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
> arch/arm64/include/asm/cpufeature.h | 2 ++
> arch/arm64/kernel/cpu_errata.c | 5 +++++
> arch/arm64/kernel/cpufeature.c | 4 ++--
> 3 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
> index b9b6494..cb8fb2c 100644
> --- a/arch/arm64/include/asm/cpufeature.h
> +++ b/arch/arm64/include/asm/cpufeature.h
> @@ -174,7 +174,9 @@ void __init setup_cpu_features(void);
>
> void update_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
> const char *info);
> +void enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps);
> void check_local_cpu_errata(void);
> +void __init enable_cpu_errata(void);
Nitpick: I would rather call this enable_errata_workarounds since errata
are already enabled by in hardware ;).
--
Catalin
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