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x86, AVX-512: AVX-512 Feature Detection
authorFenghua Yu <fenghua.yu@intel.com>
Thu, 20 Feb 2014 21:24:50 +0000 (13:24 -0800)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 20 Feb 2014 21:56:55 +0000 (13:56 -0800)
commit8e5780fdeef7dc490b3f0b3a62704593721fa4f3
tree5005658878017297ba9dff597897e477c534d6ac
parent6d0abeca3242a88cab8232e4acd7e2bf088f3bc2
x86, AVX-512: AVX-512 Feature Detection

AVX-512 is an extention of AVX2. Its spec can be found at:
http://download-software.intel.com/sites/default/files/managed/71/2e/319433-017.pdf

This patch detects AVX-512 features by CPUID.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1392931491-33237-1-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org> # hw enabling
arch/x86/include/asm/cpufeature.h