Commit 61a6bd67 authored by Avi Kivity's avatar Avi Kivity
Browse files

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: default avatarAvi Kivity <avi@redhat.com>
parent 0f346074

arch/x86/kvm/x86.c

+2 −0
Original line number Diff line number Diff line
@@ -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: