KVM: SVM: Allow read access to MSR_VM_VR
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>
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@ -1869,6 +1869,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
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case MSR_VM_HSAVE_PA:
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case MSR_VM_HSAVE_PA:
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*data = svm->hsave_msr;
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*data = svm->hsave_msr;
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break;
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break;
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case MSR_VM_CR:
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*data = 0;
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break;
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default:
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default:
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return kvm_get_msr_common(vcpu, ecx, data);
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return kvm_get_msr_common(vcpu, ecx, data);
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}
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}
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