Allow FRED/LKGS/WRMSRNS to be exposed to guests, thus a guest OS could see these features when the guest is configured with FRED/LKGS/WRMSRNS in Qemu. A qemu patch is required to expose FRED/LKGS/WRMSRNS to KVM guests. Signed-off-by: Xin Li <xin3.li@xxxxxxxxx> Tested-by: Shan Kang <shan.kang@xxxxxxxxx> --- arch/x86/kvm/cpuid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index adba49afb5fe..afc1316d78ad 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -676,8 +676,8 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_mask(CPUID_7_1_EAX, F(AVX_VNNI) | F(AVX512_BF16) | F(CMPCCXADD) | - F(FZRM) | F(FSRS) | F(FSRC) | - F(AMX_FP16) | F(AVX_IFMA) | F(LAM) + F(FZRM) | F(FSRS) | F(FSRC) | F(FRED) | F(LKGS) | + F(WRMSRNS) | F(AMX_FP16) | F(AVX_IFMA) | F(LAM) ); kvm_cpu_cap_init_kvm_defined(CPUID_7_1_EDX, -- 2.43.0
