From eb1c31b46800a476644cd63ab3bc7ef918b0a917 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Wed, 9 Sep 2015 14:05:50 +0800 Subject: [PATCH] KVM: x86: allow guest to use cflushopt and clwb Pass these CPU features to guest to enable them in guest They are needed by nvdimm drivers Signed-off-by: Xiao Guangrong Signed-off-by: Paolo Bonzini --- arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 2fbea2544f24..962fc7d7e0d4 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -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 = -- 2.20.1