Re: [PATCH] ARM64: mark cpus_have_hwcap as __maybe_unused

From: Catalin Marinas
Date: Thu Nov 12 2015 - 09:58:10 EST

On Thu, Nov 12, 2015 at 03:20:16PM +0100, Arnd Bergmann wrote:
> cpus_have_hwcap() is defined as a 'static' function an only used in
> one place that is inside of an #ifdef, so we get a warning when
> the only user is disabled:
> arch/arm64/kernel/cpufeature.c:699:13: warning: 'cpus_have_hwcap' defined but not used [-Wunused-function]
> This marks the function as __maybe_unused, so the compiler knows that
> it can drop the function definition without warning about it.
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 37b01d53ceef ("arm64/HWCAP: Use system wide safe values")
> ---
> Found on arm64 allnoconfig

I applied this patch and the other two you just posted. Thanks.

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