[PATCH 09/12] Allow read access to MSR_VM_VR v6

[Alexander Graf]

From: Joerg Roedel <[EMAIL PROTECTED]>

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 <[EMAIL PROTECTED]>
Signed-off-by: Alexander Graf <[EMAIL PROTECTED]>
---
 arch/x86/kvm/svm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index dea5684..123850a 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1882,6 +1882,9 @@ 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);
        }
-- 
1.5.6

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