Messages in this thread Patch in this message | | | From | Xiao Guangrong <> | Subject | [PATCH 2/9] KVM: x86: allow guest to use cflushopt anc clwb | Date | Fri, 21 Aug 2015 12:50:04 +0800 |
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Pass its CPU feature to guest to enable them in guest
These are needed by nvdimm drivers
The specification locates at: https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- 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 2fbea25..962fc7d 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 = -- 2.4.3
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