this patch discards MSR writes to the Performance Event-Select
Registers, this is the first issue why vista seems to fail although now
vista ends up in an endless loop a bit later.
Qemu currently also discards those writes.
Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]>
Signed-off-by: Markus Rechberger <[EMAIL PROTECTED]>
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;
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