KVM: SVM: Add microcode patch level dummy

VMware ESX checks if the microcode level is correct when using a barcelona
CPU, in order to see if it actually can use SVM. Let's tell it we're on the
safe side...

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b3a7a314d55c543124639e403bd4784522d99a58..3a60c3f04e65ed4afa8c5cf67c503112833c1456 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1928,6 +1928,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
        case MSR_VM_CR:
                *data = 0;
                break;
+       case MSR_IA32_UCODE_REV:
+               *data = 0x01000065;
+               break;
        default:
                return kvm_get_msr_common(vcpu, ecx, data);
        }