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authorAvi Kivity <avi@redhat.com>2008-12-29 10:32:28 -0500
committerAvi Kivity <avi@redhat.com>2009-03-24 05:02:54 -0400
commit61a6bd672bda3b9468bf5895c1be085c4e481138 (patch)
tree639265f9c99b090a7b39b2ca901b6a30fd8ac56c /arch
parent0f346074403bc109f9569f14b45cb09e83729032 (diff)
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')
-rw-r--r--arch/x86/kvm/x86.c2
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)
742 break; 742 break;
743 case MSR_IA32_UCODE_REV: 743 case MSR_IA32_UCODE_REV:
744 case MSR_IA32_UCODE_WRITE: 744 case MSR_IA32_UCODE_WRITE:
745 case MSR_VM_HSAVE_PA:
745 break; 746 break;
746 case 0x200 ... 0x2ff: 747 case 0x200 ... 0x2ff:
747 return set_msr_mtrr(vcpu, msr, data); 748 return set_msr_mtrr(vcpu, msr, data);
@@ -863,6 +864,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
863 case MSR_IA32_LASTBRANCHTOIP: 864 case MSR_IA32_LASTBRANCHTOIP:
864 case MSR_IA32_LASTINTFROMIP: 865 case MSR_IA32_LASTINTFROMIP:
865 case MSR_IA32_LASTINTTOIP: 866 case MSR_IA32_LASTINTTOIP:
867 case MSR_VM_HSAVE_PA:
866 data = 0; 868 data = 0;
867 break; 869 break;
868 case MSR_MTRRcap: 870 case MSR_MTRRcap: