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>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b3a7a314d55c..3a60c3f04e65 100644
--- 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);
         }