From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH] KVM: x86: allow TSC deadline timer on all hosts Date: Thu, 08 Jan 2015 17:23:47 +0100 Message-ID: <54AEAF13.4050806@redhat.com> References: <1420729170-23768-1-git-send-email-rkrcmar@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, Marcelo Tosatti To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1420729170-23768-1-git-send-email-rkrcmar@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 08/01/2015 15:59, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: > Emulation does not utilize the feature. Indeed... nice :) Applied to kvm/queue, thanks. Paolo > Signed-off-by: Radim Kr=C4=8Dm=C3=A1=C5=99 > --- > arch/x86/kvm/x86.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) >=20 > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 933a373..ed879f1 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -2743,6 +2743,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kv= m, long ext) > case KVM_CAP_READONLY_MEM: > case KVM_CAP_HYPERV_TIME: > case KVM_CAP_IOAPIC_POLARITY_IGNORED: > + case KVM_CAP_TSC_DEADLINE_TIMER: > #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT > case KVM_CAP_ASSIGN_DEV_IRQ: > case KVM_CAP_PCI_2_3: > @@ -2781,9 +2782,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kv= m, long ext) > case KVM_CAP_TSC_CONTROL: > r =3D kvm_has_tsc_control; > break; > - case KVM_CAP_TSC_DEADLINE_TIMER: > - r =3D boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER); > - break; > default: > r =3D 0; > break; >=20