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KVM: Implement MSRs used by Hyper-V

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Hyper-V uses some MSRs, some of which are actually reserved for BIOS usage.

But let's be nice today and have it its way, because otherwise it fails
terribly.

[jaswinder: fix build for linux-next changes]

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf 2009-06-15 15:21:23 +02:00 committed by Avi Kivity
parent 0367b4330e
commit 3c5d0a44b0
1 changed files with 5 additions and 0 deletions
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5
arch/x86/kvm/svm.c
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@ -2131,6 +2131,11 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
case MSR_VM_HSAVE_PA:
svm->hsave_msr = data;
break;
case MSR_VM_CR:
case MSR_VM_IGNNE:
case MSR_K7_HWCR:
pr_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
break;
default:
return kvm_set_msr_common(vcpu, ecx, data);
}