Joerg Roedel wrote: > This patch is a slightly improved version of a previously submitted patch. It > lets SVM ignore writes of the value 0 to the performance counter control > registers. Thus enabling them will still fail in the guest. This is required > to boot Windows Vista 64bit. > > Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]> > Signed-off-by: Markus Rechberger <[EMAIL PROTECTED]> > --- > drivers/kvm/svm.c | 11 +++++++++++ > 1 files changed, 11 insertions(+), 0 deletions(-) > > diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c > index 9f8564a..f81b871 100644 > --- a/drivers/kvm/svm.c > +++ b/drivers/kvm/svm.c > @@ -1155,6 +1155,17 @@ 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) > + break; > default: > return kvm_set_msr_common(vcpu, ecx, data); > } >
I changed the fall-thru here to something more explicit, in case someone wants to add more msrs. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
