From: Xiaoyao Li <xiaoyao.li@xxxxxxxxxxxxxxx> In the latest Intel SDM, CPUID.(EAX=7H,ECX=0):EDX[30] will enumerate the presence of the IA32_CORE_CAPABILITY MSR. Update GET_SUPPORTED_CPUID to expose this feature bit to user space, so that user space know this bit can be enabled in CPUID. Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxxxxxxxx> --- arch/x86/kvm/cpuid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index c07958b59f50..e0e17b9c65da 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -410,7 +410,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, /* cpuid 7.0.edx*/ const u32 kvm_cpuid_7_0_edx_x86_features = F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | - F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP); + F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(CORE_CAPABILITY) | + F(INTEL_STIBP); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu(); -- 2.7.4
