diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/svm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 442ca818c5a9..ef21804a5c5c 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -1155,7 +1155,20 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) case MSR_IA32_SYSENTER_ESP: svm->vmcb->save.sysenter_esp = data; break; + case MSR_K7_EVNTSEL0: + case MSR_K7_EVNTSEL1: + case MSR_K7_EVNTSEL2: + case MSR_K7_EVNTSEL3: + /* + * only support writing 0 to the performance counters for now + * to make Windows happy. Should be replaced by a real + * performance counter emulation later. + */ + if (data != 0) + goto unhandled; + break; default: + unhandled: return kvm_set_msr_common(vcpu, ecx, data); } return 0; |