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authorJoerg Roedel <joerg.roedel@amd.com>2008-11-25 14:17:09 -0500
committerAvi Kivity <avi@redhat.com>2009-03-24 05:02:47 -0400
commiteb6f302edff9da963e687bf6c15dcf88843b1c3b (patch)
tree82cee93464f4b2afd960f1748e05be46356ea642 /arch/x86/kvm/svm.c
parentcf74a78b229d07f77416d2fe1f029f183a8a31df (diff)
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>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4cb2920b1527..df5b41192661 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1869,6 +1869,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
1869 case MSR_VM_HSAVE_PA: 1869 case MSR_VM_HSAVE_PA:
1870 *data = svm->hsave_msr; 1870 *data = svm->hsave_msr;
1871 break; 1871 break;
1872 case MSR_VM_CR:
1873 *data = 0;
1874 break;
1872 default: 1875 default:
1873 return kvm_get_msr_common(vcpu, ecx, data); 1876 return kvm_get_msr_common(vcpu, ecx, data);
1874 } 1877 }