KVM: SVM: Advance instruction pointer in dr_intercept

In the dr_intercept function a new cpu-feature called decode-assists is implemented and used when available. This code-path does not advance the guest-rip causing the guest to dead-loop over mov-dr instructions. This is fixed by this patch. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Feb 22, 2011 · 2c46d2a · 2c46d2a
1 parent a0dc00b
commit 2c46d2a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
@@ -2777,6 +2777,8 @@ static int dr_interception(struct vcpu_svm *svm)
 			kvm_register_write(&svm->vcpu, reg, val);
 	}
 
+	skip_emulated_instruction(&svm->vcpu);
+
 	return 1;
 }