From ee785c870d6f80380be6549772137a41c527d0ba Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Tue, 15 Aug 2023 13:36:52 -0700 Subject: KVM: nSVM: Use KVM-governed feature framework to track "vNMI enabled" Track "virtual NMI exposed to L1" via a governed feature flag instead of using a dedicated bit/flag in vcpu_svm. Note, checking KVM's capabilities instead of the "vnmi" param means that the code isn't strictly equivalent, as vnmi_enabled could have been set if nested=false where as that the governed feature cannot. But that's a glorified nop as the feature/flag is consumed only by paths that are gated by nSVM being enabled. Link: https://lore.kernel.org/r/20230815203653.519297-15-seanjc@google.com Signed-off-by: Sean Christopherson --- arch/x86/kvm/svm/svm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'arch/x86/kvm/svm/svm.c') diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index d8b7e0c71313..226b3a780d0f 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4274,8 +4274,7 @@ static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_PAUSEFILTER); kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_PFTHRESHOLD); kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_VGIF); - - svm->vnmi_enabled = vnmi && guest_cpuid_has(vcpu, X86_FEATURE_VNMI); + kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_VNMI); svm_recalc_instruction_intercepts(vcpu, svm); -- cgit v1.2.3