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KVM: SVM: Allow read access to MSR_VM_VR

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KVM tries to read the VM_CR MSR to find out if SVM was disabled by
the BIOS. So implement read support for this MSR to make nested
SVM running.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel 2008-11-25 20:17:09 +01:00 committed by Avi Kivity
parent cf74a78b22
commit eb6f302edf
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/svm.c
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@ -1869,6 +1869,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
case MSR_VM_HSAVE_PA:
*data = svm->hsave_msr;
break;
case MSR_VM_CR:
*data = 0;
break;
default:
return kvm_get_msr_common(vcpu, ecx, data);
}