]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
x86/kvm/hyper-v: don't announce GUEST IDLE MSR support
authorVitaly Kuznetsov <vkuznets@redhat.com>
Thu, 24 Jan 2019 14:27:09 +0000 (15:27 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 25 Jan 2019 17:52:34 +0000 (18:52 +0100)
HV_X64_MSR_GUEST_IDLE_AVAILABLE appeared in kvm_vcpu_ioctl_get_hv_cpuid()
by mistake: it announces support for HV_X64_MSR_GUEST_IDLE (0x400000F0)
which we don't support in KVM (yet).

Fixes: 2bc39970e932 ("x86/kvm/hyper-v: Introduce KVM_GET_SUPPORTED_HV_CPUID")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/hyperv.c

index c90a5352d158fa29ff72b42cd11efba0163225e2..ac44a681f06576321338014a20efe02d7bf3d6ef 100644 (file)
@@ -1832,7 +1832,6 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
                        ent->eax |= HV_X64_MSR_VP_INDEX_AVAILABLE;
                        ent->eax |= HV_X64_MSR_RESET_AVAILABLE;
                        ent->eax |= HV_MSR_REFERENCE_TSC_AVAILABLE;
-                       ent->eax |= HV_X64_MSR_GUEST_IDLE_AVAILABLE;
                        ent->eax |= HV_X64_ACCESS_FREQUENCY_MSRS;
                        ent->eax |= HV_X64_ACCESS_REENLIGHTENMENT;