From patchwork Tue Dec 1 12:51:32 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Glauber Costa X-Patchwork-Id: 39903 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 30593B6F16 for ; Wed, 2 Dec 2009 00:10:39 +1100 (EST) Received: from localhost ([127.0.0.1]:51165 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFSV2-0002i3-8O for incoming@patchwork.ozlabs.org; Tue, 01 Dec 2009 08:10:36 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFSD5-0005ZX-PV for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:52:04 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFSCz-0005WB-Pf for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:52:02 -0500 Received: from [199.232.76.173] (port=35009 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFSCz-0005W0-9E for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:51:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:12679) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NFSCy-0004rv-S5 for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:51:57 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nB1CptwU026781 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 1 Dec 2009 07:51:55 -0500 Received: from localhost.localdomain (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id nB1CphO2002534; Tue, 1 Dec 2009 07:51:54 -0500 From: Glauber Costa To: qemu-devel@nongnu.org Date: Tue, 1 Dec 2009 10:51:32 -0200 Message-Id: <1259671897-22232-7-git-send-email-glommer@redhat.com> In-Reply-To: <1259671897-22232-6-git-send-email-glommer@redhat.com> References: <1259671897-22232-1-git-send-email-glommer@redhat.com> <1259671897-22232-2-git-send-email-glommer@redhat.com> <1259671897-22232-3-git-send-email-glommer@redhat.com> <1259671897-22232-4-git-send-email-glommer@redhat.com> <1259671897-22232-5-git-send-email-glommer@redhat.com> <1259671897-22232-6-git-send-email-glommer@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Cc: aliguori@us.ibm.com, avi@redhat.com, agraf@suse.de Subject: [Qemu-devel] [PATCH v2 06/11] flush state in migration post_load X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This have already been identified in qemu-kvm. We have to synchronously tell the kernel about the APIC state. Otherwise, other cpus can see bogus state for this lapic. Signed-off-by: Glauber Costa --- hw/apic-kvm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/hw/apic-kvm.c b/hw/apic-kvm.c index 9e9790f..b2864b6 100644 --- a/hw/apic-kvm.c +++ b/hw/apic-kvm.c @@ -73,6 +73,8 @@ static int apic_post_load(void *opaque, int version_id) { APICState *s = opaque; + cpu_flush_state(s->cpu_env); + return kvm_set_lapic(s->cpu_env, &s->kvm_lapic_state); }