EFER.LMSLE is not supported in a KVM guest if it is not supported on the underlying hardware. Inform the guest by exposing the host's value of X86_FEATURE_NO_LMSLE in KVM_GET_SUPPORTED_CPUID. Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx> --- 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 75dcf7a72605..b4975467d686 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -670,7 +670,7 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_set(X86_FEATURE_GBPAGES); kvm_cpu_cap_mask(CPUID_8000_0008_EBX, - F(CLZERO) | F(XSAVEERPTR) | + F(CLZERO) | F(XSAVEERPTR) | F(NO_LMSLE) | F(WBNOINVD) | F(AMD_IBPB) | F(AMD_IBRS) | F(AMD_SSBD) | F(VIRT_SSBD) | F(AMD_SSB_NO) | F(AMD_STIBP) | F(AMD_STIBP_ALWAYS_ON) | __feature_bit(KVM_X86_FEATURE_PSFD) -- 2.37.3.968.ga6b4b080e4-goog