From patchwork Sat Jun 1 19:25:30 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raghavendra K T X-Patchwork-Id: 2648731 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 2EAF6DFE76 for ; Sat, 1 Jun 2013 19:21:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756033Ab3FATVV (ORCPT ); Sat, 1 Jun 2013 15:21:21 -0400 Received: from e28smtp09.in.ibm.com ([122.248.162.9]:55590 "EHLO e28smtp09.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755987Ab3FATVO (ORCPT ); Sat, 1 Jun 2013 15:21:14 -0400 Received: from /spool/local by e28smtp09.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 2 Jun 2013 00:47:02 +0530 Received: from d28dlp01.in.ibm.com (9.184.220.126) by e28smtp09.in.ibm.com (192.168.1.139) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 2 Jun 2013 00:47:00 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 22A38E004C; Sun, 2 Jun 2013 00:53:53 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r51JL2Z07012836; Sun, 2 Jun 2013 00:51:02 +0530 Received: from d28av01.in.ibm.com (loopback [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r51JL6vW032360; Sat, 1 Jun 2013 19:21:09 GMT Received: from [192.168.122.1] ([9.79.211.209]) by d28av01.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id r51JL308032316; Sat, 1 Jun 2013 19:21:03 GMT From: Raghavendra K T To: , , , , , , Cc: linux-doc@vger.kernel.org, , Raghavendra K T , , , , , , , , , , , , , , , , , , , , Date: Sun, 02 Jun 2013 00:55:30 +0530 Message-Id: <20130601192530.5966.90140.sendpatchset@codeblue> In-Reply-To: <20130601192125.5966.35563.sendpatchset@codeblue> References: <20130601192125.5966.35563.sendpatchset@codeblue> Subject: [PATCH RFC V9 14/19] kvm : Fold pv_unhalt flag into GET_MP_STATE ioctl to aid migration X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13060119-2674-0000-0000-000009318B8D Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org kvm : Fold pv_unhalt flag into GET_MP_STATE ioctl to aid migration From: Raghavendra K T During migration, any vcpu that got kicked but did not become runnable (still in halted state) should be runnable after migration. Signed-off-by: Raghavendra K T --- arch/x86/kvm/x86.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index f8bea30..92a9932 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6243,7 +6243,12 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { kvm_apic_accept_events(vcpu); - mp_state->mp_state = vcpu->arch.mp_state; + if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && + vcpu->arch.pv.pv_unhalted) + mp_state->mp_state = KVM_MP_STATE_RUNNABLE; + else + mp_state->mp_state = vcpu->arch.mp_state; + return 0; }