| Message ID | 20190124142709.8184-1-vkuznets@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | x86/kvm/hyper-v: don't announce GUEST IDLE MSR support | expand |
On 24/01/19 15:27, Vitaly Kuznetsov wrote: > 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> > --- > arch/x86/kvm/hyperv.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c > index c90a5352d158..ac44a681f065 100644 > --- a/arch/x86/kvm/hyperv.c > +++ b/arch/x86/kvm/hyperv.c > @@ -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; > > Queued, thanks. Paolo
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index c90a5352d158..ac44a681f065 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -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;
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> --- arch/x86/kvm/hyperv.c | 1 - 1 file changed, 1 deletion(-)