From patchwork Tue Jul 16 07:10:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yan Zhao X-Patchwork-Id: 11045371 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 52B39746 for ; Tue, 16 Jul 2019 07:11:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F49C28450 for ; Tue, 16 Jul 2019 07:11:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 32F64285AA; Tue, 16 Jul 2019 07:11:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD86928450 for ; Tue, 16 Jul 2019 07:11:20 +0000 (UTC) Received: from localhost ([::1]:45778 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnHcN-0006U6-Ms for patchwork-qemu-devel@patchwork.kernel.org; Tue, 16 Jul 2019 03:11:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41662) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnHcG-00065g-97 for qemu-devel@nongnu.org; Tue, 16 Jul 2019 03:11:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hnHcC-0001JL-PG for qemu-devel@nongnu.org; Tue, 16 Jul 2019 03:11:09 -0400 Received: from mga01.intel.com ([192.55.52.88]:16826) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hnHc9-00018Y-QZ for qemu-devel@nongnu.org; Tue, 16 Jul 2019 03:11:07 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jul 2019 00:10:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,496,1557212400"; d="scan'208";a="161338225" Received: from joy-desktop.sh.intel.com ([10.239.13.126]) by orsmga008.jf.intel.com with ESMTP; 16 Jul 2019 00:10:53 -0700 From: Yan Zhao To: qemu-devel@nongnu.org Date: Tue, 16 Jul 2019 15:10:42 +0800 Message-Id: <1563261042-15974-1-git-send-email-yan.y.zhao@intel.com> X-Mailer: git-send-email 2.7.4 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.88 Subject: [Qemu-devel] [PATCH] migration: notify runstate immediately before vcpu stops X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kevin.tian@intel.com, cohuck@redhat.com, Yan Zhao , quintela@redhat.com, crosthwaite.peter@gmail.com, dgilbert@redhat.com, alex.williamson@redhat.com, pbonzini@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP for some devices to do live migration, it is needed to do something immediately before vcpu stops. add a notification here. Signed-off-by: Yan Zhao --- cpus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/cpus.c b/cpus.c index b09b702..d5d4abe 100644 --- a/cpus.c +++ b/cpus.c @@ -1068,6 +1068,7 @@ static int do_vm_stop(RunState state, bool send_stop) int ret = 0; if (runstate_is_running()) { + vm_state_notify(1, state); cpu_disable_ticks(); pause_all_vcpus(); runstate_set(state);