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| author | Chao Peng <chao.p.peng@linux.intel.com> | 2014-10-22 11:35:24 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-11-03 12:07:30 +0100 |
| commit | 612263b30c900b534fa76609d314ed55c255a94e (patch) | |
| tree | 1606193c7c9f6939c8f291a5b41edcb2e79e5540 /arch/x86/kvm/cpuid.c | |
| parent | kvm: drop unsupported capabilities, fix documentation (diff) | |
| download | linux-612263b30c900b534fa76609d314ed55c255a94e.tar.xz linux-612263b30c900b534fa76609d314ed55c255a94e.zip | |
KVM: x86: Enable Intel AVX-512 for guest
Expose Intel AVX-512 feature bits to guest. Also add checks for
xcr0 AVX512 related bits according to spec:
http://download-software.intel.com/sites/default/files/managed/71/2e/319433-017.pdf
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 976e3a57f9ea..20d83217fb1d 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -317,7 +317,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, const u32 kvm_supported_word9_x86_features = F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) | - F(ADX) | F(SMAP); + F(ADX) | F(SMAP) | F(AVX512F) | F(AVX512PF) | F(AVX512ER) | + F(AVX512CD); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu(); |