diff options
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 9 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 4 |
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 3d88ddf781d0..9ca32d969938 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -325,7 +325,7 @@ void kvm_set_cpu_caps(void) ); kvm_cpu_cap_mask(CPUID_7_ECX, - F(AVX512VBMI) | F(LA57) | 0 /*PKU*/ | 0 /*OSPKE*/ | F(RDPID) | + F(AVX512VBMI) | F(LA57) | F(PKU) | 0 /*OSPKE*/ | F(RDPID) | F(AVX512_VPOPCNTDQ) | F(UMIP) | F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | F(AVX512_VNNI) | F(AVX512_BITALG) | F(CLDEMOTE) | F(MOVDIRI) | F(MOVDIR64B) | 0 /*WAITPKG*/ @@ -334,6 +334,13 @@ void kvm_set_cpu_caps(void) if (cpuid_ecx(7) & F(LA57)) kvm_cpu_cap_set(X86_FEATURE_LA57); + /* + * PKU not yet implemented for shadow paging and requires OSPKE + * to be set on the host. Clear it if that is not the case + */ + if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE)) + kvm_cpu_cap_clear(X86_FEATURE_PKU); + kvm_cpu_cap_mask(CPUID_7_EDX, F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) | diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 170cc76a581f..0e4f7ff54e6a 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7282,10 +7282,6 @@ static __init void vmx_set_cpu_caps(void) if (vmx_pt_mode_is_host_guest()) kvm_cpu_cap_check_and_set(X86_FEATURE_INTEL_PT); - /* PKU is not yet implemented for shadow paging. */ - if (enable_ept && boot_cpu_has(X86_FEATURE_OSPKE)) - kvm_cpu_cap_check_and_set(X86_FEATURE_PKU); - if (vmx_umip_emulated()) kvm_cpu_cap_set(X86_FEATURE_UMIP); |