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| author | Avi Kivity <avi@redhat.com> | 2008-12-29 17:32:28 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 11:02:54 +0200 |
| commit | 61a6bd672bda3b9468bf5895c1be085c4e481138 (patch) | |
| tree | 639265f9c99b090a7b39b2ca901b6a30fd8ac56c /arch/x86/kvm/x86.c | |
| parent | 0f346074403bc109f9569f14b45cb09e83729032 (diff) | |
| download | lwn-61a6bd672bda3b9468bf5895c1be085c4e481138.tar.gz lwn-61a6bd672bda3b9468bf5895c1be085c4e481138.zip | |
KVM: Fallback support for MSR_VM_HSAVE_PA
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>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2a4f3a697343..c3fbe8c55c13 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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: |