x86, AVX-512: AVX-512 Feature Detection
authorFenghua Yu <fenghua.yu@intel.com>
Thu, 20 Feb 2014 21:24:50 +0000 (13:24 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 6 May 2014 14:59:26 +0000 (07:59 -0700)
commit05f4be82046529c44f01b42d905e57d1b2df4920
treee1c0254bc4bf3089766f34ea839f0e8d985a37ce
parentf88b98a743b5a59ff49b2e289009d00eff7d7c26
x86, AVX-512: AVX-512 Feature Detection

commit 8e5780fdeef7dc490b3f0b3a62704593721fa4f3 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/include/asm/cpufeature.h