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

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Date:	Fri, 22 Mar 2013 17:21:19 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Tim Chen <tim.c.chen@...ux.intel.com>,
	Herbert Xu <herbert@...dor.hengli.com.au>,
	"David S.Miller" <davem@...emloft.net>
CC:	Kirk Yap <kirk.s.yap@...el.com>,
	David Cote <david.m.cote@...el.com>,
	James Guilford <james.guilford@...el.com>,
	Wajdi Feghali <wajdi.k.feghali@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH 01/11] Added macro to check for AVX2 feature.

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

Tim Chen <tim.c.chen@...ux.intel.com> wrote:

>Macro to facilitate checking the availability of the AVX2 feature.
>
>Signed-off-by: Tim Chen <tim.c.chen@...ux.intel.com>
>---
> 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
> 

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
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