diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 1c3cc3e..1f34501 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -1143,6 +1143,12 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
 	case MSR_SYSCALL_MASK:
 		svm->vmcb->save.sfmask = data;
 		break;
+	case MSR_K7_EVNTSEL0:
+	case MSR_K7_EVNTSEL1:
+	case MSR_K7_EVNTSEL2:
+	case MSR_K7_EVNTSEL3:
+		/* discard those writes for now, required by vista 64bit */
+		break;
 #endif
 	case MSR_IA32_SYSENTER_CS:
 		svm->vmcb->save.sysenter_cs = data;