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KVM: Fallback support for MSR_VM_HSAVE_PA

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Since we advertise MSR_VM_HSAVE_PA, userspace will attempt to read it
even on Intel.  Implement fake support for this MSR to avoid the
warnings.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2008-12-29 17:32:28 +02:00
parent 0f34607440
commit 61a6bd672b
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kvm/x86.c
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@ -742,6 +742,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
break;
case MSR_IA32_UCODE_REV:
case MSR_IA32_UCODE_WRITE:
case MSR_VM_HSAVE_PA:
break;
case 0x200 ... 0x2ff:
return set_msr_mtrr(vcpu, msr, data);
@ -863,6 +864,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
case MSR_IA32_LASTBRANCHTOIP:
case MSR_IA32_LASTINTFROMIP:
case MSR_IA32_LASTINTTOIP:
case MSR_VM_HSAVE_PA:
data = 0;
break;
case MSR_MTRRcap: