From patchwork Fri Jan 23 10:01:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhangkun X-Patchwork-Id: 432115 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 2BDA214028F for ; Fri, 23 Jan 2015 21:03:15 +1100 (AEDT) Received: from localhost ([::1]:57946 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YEb57-0003Z7-Dy for incoming@patchwork.ozlabs.org; Fri, 23 Jan 2015 05:03:13 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37210) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YEb4c-00031O-Ov for qemu-devel@nongnu.org; Fri, 23 Jan 2015 05:02:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YEb4Y-0001yZ-Oe for qemu-devel@nongnu.org; Fri, 23 Jan 2015 05:02:42 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:41880) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YEb4Y-0001uM-3K for qemu-devel@nongnu.org; Fri, 23 Jan 2015 05:02:38 -0500 Received: from 172.24.2.119 (EHLO szxeml428-hub.china.huawei.com) ([172.24.2.119]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BAV33959; Fri, 23 Jan 2015 18:02:22 +0800 (CST) Received: from localhost (10.177.25.235) by szxeml428-hub.china.huawei.com (10.82.67.183) with Microsoft SMTP Server id 14.3.158.1; Fri, 23 Jan 2015 18:02:15 +0800 From: zhangkun To: Date: Fri, 23 Jan 2015 18:01:59 +0800 Message-ID: <1422007320-10756-1-git-send-email-zhang.zhangkun@huawei.com> X-Mailer: git-send-email 1.7.3.1.msysgit.0 MIME-Version: 1.0 X-Originating-IP: [10.177.25.235] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.54C21C2E.01B5, ss=1, re=0.001, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 25edc8a31b83a699f28a8eea39baefdd X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 119.145.14.66 Cc: zhangkun , jerry.lilijun@huawei.com, qianhuibin@huawei.com Subject: [Qemu-devel] [PATCH] bugfix: cannot remove chardev after the vhost-user does hot add/del pci device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: zhangkun step for vhost-user hotplug: 1.hot add chardev-add backend=socket,id=charnet0,path=/var/run/vhost-user/tap0 netdev_add type=vhost-user,id=hostnet0,chardev=charnet0 device_add virtio-net-pci,netdev=hostnet0,id=net0 2.hot del device_del net0 netdev_del hostnet0 chardev-remove charnet0 Signed-off-by: zhangkun --- net/vhost-user.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/vhost-user.c b/net/vhost-user.c index 24e050c..d6936ca 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -72,6 +72,7 @@ static void vhost_user_cleanup(NetClientState *nc) VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc); vhost_user_stop(s); + qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, NULL); qemu_purge_queued_packets(nc); }