From nobody Fri Oct 10 17:59:13 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1568796738; cv=none; d=zoho.com; s=zohoarc; b=K/LzZ8RBlnB/DhDvFR33pf9FJmDGtx4C5MoY+Yla2MwMc5t29Cm9a9Gxsdntb3bvVBIkAqDnbDgAP1PrQ0ygSexci6TXI6mlqkdrf1ia3ICX3IZzaTeGThoJ9wlueK3//eMn8+ln8CBMXpMEyjB3ZQT9Gcs8wyIjN0f8nmLkCdY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1568796738; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To:ARC-Authentication-Results; bh=qdjxcoNShXsvGAdxHYTxXqPn47knSupRzey1Exdvegk=; b=LpeEgEfavC4991XmoL5NXtYY6dm31q8F50H2KDbKGWESrjoxxOlJFQA0AH5Q0io7VM6xxquBEAhv6KPznZNsl4+LbQOuVMoMRiQmrpJJtQlnrUqo6+Ry4yqXUVaHSkQcJbImgNi1klayftcIoGFYqhn6wkrnXJGMehtk3IQF31A= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1568796738906725.190980951459; Wed, 18 Sep 2019 01:52:18 -0700 (PDT) Received: from localhost ([::1]:55998 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAVhA-0002Ih-Qk for importer@patchew.org; Wed, 18 Sep 2019 04:52:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50570) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAVfS-0001Mq-Hx for qemu-devel@nongnu.org; Wed, 18 Sep 2019 04:50:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iAVfQ-0006U4-IK for qemu-devel@nongnu.org; Wed, 18 Sep 2019 04:50:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33544) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iAVdn-0005NZ-M8 for qemu-devel@nongnu.org; Wed, 18 Sep 2019 04:50:28 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A86EAA3D381; Wed, 18 Sep 2019 08:48:46 +0000 (UTC) Received: from amorenoz.users.ipa.redhat.com (ovpn-117-92.ams2.redhat.com [10.36.117.92]) by smtp.corp.redhat.com (Postfix) with ESMTP id 10753600CC; Wed, 18 Sep 2019 08:48:42 +0000 (UTC) From: Adrian Moreno To: qemu-devel@nongnu.org Date: Wed, 18 Sep 2019 10:48:34 +0200 Message-Id: <20190918084834.9729-1-amorenoz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.68]); Wed, 18 Sep 2019 08:48:46 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2] vhost-user: save features if the char dev is closed 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: ddstreet@canonical.com, Adrian Moreno , Pei Zhang , "Michael S . Tsirkin" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" That way the state can be correctly restored when the device is opened again. This might happen if the backend is restarted. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=3D1738768 Reported-by: Pei Zhang Fixes: 6ab79a20af3a (do not call vhost_net_cleanup() on running net from ch= ar user event) Cc: ddstreet@canonical.com Cc: Michael S. Tsirkin Signed-off-by: Adrian Moreno --- net/vhost-user.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/vhost-user.c b/net/vhost-user.c index 51921de443..014199d600 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -235,6 +235,10 @@ static void chr_closed_bh(void *opaque) =20 s =3D DO_UPCAST(NetVhostUserState, nc, ncs[0]); =20 + if (s->vhost_net) { + s->acked_features =3D vhost_net_get_acked_features(s->vhost_net); + } + qmp_set_link(name, false, &err); =20 qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event, --=20 2.21.0