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authorFenghua Yu <fenghua.yu@intel.com>2016-03-11 06:38:18 +0300
committerIngo Molnar <mingo@kernel.org>2016-03-12 19:30:53 +0300
commitd05004944206cbbf1c453e179768163731c7c6f1 (patch)
treeaff6ccf64d3b52b8f260b338c757468a7620c491 /include/linux/mm.h
parent10ee73865e9e4705ba8b3f4d6149e8e68d902bb7 (diff)
downloadlinux-d05004944206cbbf1c453e179768163731c7c6f1.tar.xz
x86/cpufeature: Enable new AVX-512 features
A few new AVX-512 instruction groups/features are added in cpufeatures.h for enuermation: AVX512DQ, AVX512BW, and AVX512VL. Clear the flags in fpu__xstate_clear_all_cpu_caps(). The specification for latest AVX-512 including the features can be found at: https://software.intel.com/sites/default/files/managed/07/b7/319433-023.pdf Note, I didn't enable the flags in KVM. Hopefully the KVM guys can pick up the flags and enable them in KVM. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Gleb Natapov <gleb@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com> Cc: Ravi V Shankar <ravi.v.shankar@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kvm@vger.kernel.org Link: http://lkml.kernel.org/r/1457667498-37357-1-git-send-email-fenghua.yu@intel.com [ Added more detailed feature descriptions. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
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