From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751453AbdIMVdt (ORCPT ); Wed, 13 Sep 2017 17:33:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37696 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751125AbdIMVdp (ORCPT ); Wed, 13 Sep 2017 17:33:45 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com AA4C5804E3 Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=pbonzini@redhat.com Subject: Re: [PATCH 2/2] KVM: X86: Don't block vCPU if there is pending exception To: Wanpeng Li , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Wanpeng Li References: <1505300641-7292-1-git-send-email-wanpeng.li@hotmail.com> From: Paolo Bonzini Message-ID: <2079607d-d7f1-b901-3fdc-71da0a85d53c@redhat.com> Date: Wed, 13 Sep 2017 23:33:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <1505300641-7292-1-git-send-email-wanpeng.li@hotmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 13 Sep 2017 21:33:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/09/2017 13:04, Wanpeng Li wrote: > From: Wanpeng Li > > Don't block vCPU if there is pending exception. > > Cc: Paolo Bonzini > Cc: Radim Krčmář > Signed-off-by: Wanpeng Li > --- > arch/x86/kvm/x86.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 6069af8..1a0dce4 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -8452,6 +8452,9 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) > if (vcpu->arch.pv.pv_unhalted) > return true; > > + if (vcpu->arch.exception.pending) > + return true; > + > if (kvm_test_request(KVM_REQ_NMI, vcpu) || > (vcpu->arch.nmi_pending && > kvm_x86_ops->nmi_allowed(vcpu))) > Ok for 4.14-rc. Reviewed-by: Paolo Bonzini Paolo