KVM: x86: allow guest to use cflushopt and clwb
authorXiao Guangrong <guangrong.xiao@linux.intel.com>
Wed, 9 Sep 2015 06:05:50 +0000 (14:05 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 1 Oct 2015 13:06:35 +0000 (15:06 +0200)
Pass these CPU features to guest to enable them in guest

They are needed by nvdimm drivers

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/cpuid.c

index 2fbea2544f2437bc0ae50ef00288dc320effd81e..962fc7d7e0d4c18308e9a775c1b24e89ff817b0c 100644 (file)
@@ -348,7 +348,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
                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(AVX512F) | F(AVX512PF) | F(AVX512ER) |
-               F(AVX512CD);
+               F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB);
 
        /* cpuid 0xD.1.eax */
        const u32 kvm_supported_word10_x86_features =