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Subject[PATCH 33/40] KVM: Fallback support for MSR_VM_HSAVE_PA
Date
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>
---
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 2a4f3a6..c3fbe8c 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:
--
1.6.0.6


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