[PATCH 8/9] KVM: SVM: Use KVM-governed features to track SHSTK
From: John Allen
Date: Tue Oct 10 2023 - 16:04:11 EST
Use the KVM-governed features framework to track whether SHSTK can be by
both userspace and guest for SVM.
Signed-off-by: John Allen <john.allen@xxxxxxx>
---
arch/x86/kvm/svm/svm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index ee7c7d0a09ab..00a8cef3cbb8 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -4366,6 +4366,7 @@ static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_PFTHRESHOLD);
kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_VGIF);
kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_VNMI);
+ kvm_governed_feature_check_and_set(vcpu, X86_FEATURE_SHSTK);
svm_recalc_instruction_intercepts(vcpu, svm);
--
2.40.1