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-rw-r--r--arch/x86/kvm/svm/svm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 8c858f80f399..253809216cc7 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1701,6 +1701,9 @@ void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
cr4 |= host_cr4_mce;
to_svm(vcpu)->vmcb->save.cr4 = cr4;
vmcb_mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR);
+
+ if ((cr4 ^ old_cr4) & (X86_CR4_OSXSAVE | X86_CR4_PKE))
+ kvm_update_cpuid_runtime(vcpu);
}
static void svm_set_segment(struct kvm_vcpu *vcpu,