From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755050AbbAHQX6 (ORCPT ); Thu, 8 Jan 2015 11:23:58 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54710 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753578AbbAHQX4 (ORCPT ); Thu, 8 Jan 2015 11:23:56 -0500 Message-ID: <54AEAF13.4050806@redhat.com> Date: Thu, 08 Jan 2015 17:23:47 +0100 From: Paolo Bonzini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , linux-kernel@vger.kernel.org CC: kvm@vger.kernel.org, Marcelo Tosatti Subject: Re: [PATCH] KVM: x86: allow TSC deadline timer on all hosts References: <1420729170-23768-1-git-send-email-rkrcmar@redhat.com> In-Reply-To: <1420729170-23768-1-git-send-email-rkrcmar@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/01/2015 15:59, Radim Krčmář wrote: > Emulation does not utilize the feature. Indeed... nice :) Applied to kvm/queue, thanks. Paolo > Signed-off-by: Radim Krčmář > --- > arch/x86/kvm/x86.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > 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 *kvm, 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 *kvm, long ext) > case KVM_CAP_TSC_CONTROL: > r = kvm_has_tsc_control; > break; > - case KVM_CAP_TSC_DEADLINE_TIMER: > - r = boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER); > - break; > default: > r = 0; > break; >