Re: [PATCH 01/11] Added macro to check for AVX2 feature.

From: H. Peter Anvin
Date: Fri Mar 22 2013 - 20:21:40 EST


I really, really hate these macros... Not sure they are worth the extra noise.

Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> wrote:

>Macro to facilitate checking the availability of the AVX2 feature.
>
>Signed-off-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
>---
> arch/x86/include/asm/cpufeature.h | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/arch/x86/include/asm/cpufeature.h
>b/arch/x86/include/asm/cpufeature.h
>index 2d9075e..db98ec7 100644
>--- a/arch/x86/include/asm/cpufeature.h
>+++ b/arch/x86/include/asm/cpufeature.h
>@@ -313,6 +313,7 @@ extern const char * const x86_power_flags[32];
> #define cpu_has_cx16 boot_cpu_has(X86_FEATURE_CX16)
> #define cpu_has_eager_fpu boot_cpu_has(X86_FEATURE_EAGER_FPU)
> #define cpu_has_topoext boot_cpu_has(X86_FEATURE_TOPOEXT)
>+#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
>
> #ifdef CONFIG_X86_64
>

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