From nobody Wed Nov 12 05:29:32 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=1568748031; cv=none; d=zoho.com; s=zohoarc; b=buFORnm8Q5V49Na2rKvQsei9tp90JmbLoIeJ1N4S061mMrfMU+GM0KTWM7Aw6zHNQvDvr3s0MAkTFifFtAf3HeYoezVgRuJvnqVXtrKCOO9ER+jicltx8+C3RX0z11LrQ3o1zMMeIoy4lFkzcZWmQkBTf5atYlOrtLd9LViGrbM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1568748031; 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=j06NUPA4gx4hQZzJ5cWNMNjPuySbTBGyNLilxif3Rak=; b=PqzXpy+NFuEWJC3Pqc/KZGAnJ0nGLJMJozVrLpV/ftlpnQtz6eVHrfbpUa8HSLKolUuhuBPoTU6nEckcci8xCobqfJmS72G+YUg1fVkadY/4DRiXioWqQRvoW2uNAyO2miffc11jIMxFgCRFwh01pxlCufDyz1VSaHsnRFSz54k= 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 1568748031667123.68738390310568; Tue, 17 Sep 2019 12:20:31 -0700 (PDT) Received: from localhost ([::1]:51348 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAJ1Y-0000UV-2S for importer@patchew.org; Tue, 17 Sep 2019 15:20:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44028) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAJ0V-0008LN-9W for qemu-devel@nongnu.org; Tue, 17 Sep 2019 15:19:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iAJ0S-0003F4-Vv for qemu-devel@nongnu.org; Tue, 17 Sep 2019 15:19:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43918) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iAJ0P-0003B1-0Q for qemu-devel@nongnu.org; Tue, 17 Sep 2019 15:19:18 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3DE141893FA3; Tue, 17 Sep 2019 19:19:12 +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 DE9AD19C6A; Tue, 17 Sep 2019 19:19:10 +0000 (UTC) From: Adrian Moreno To: qemu-devel@nongnu.org Date: Tue, 17 Sep 2019 21:19:01 +0200 Message-Id: <20190917191901.28348-1-amorenoz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.70]); Tue, 17 Sep 2019 19:19:12 +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] 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 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/vhost-user.c b/net/vhost-user.c index 51921de443..acf20cb9e0 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -235,6 +235,13 @@ static void chr_closed_bh(void *opaque) =20 s =3D DO_UPCAST(NetVhostUserState, nc, ncs[0]); =20 + if (s->vhost_net) { + uint64_t features =3D vhost_net_get_acked_features(s->vhost_net); + if (features) { + s->acked_features =3D features; + } + } + qmp_set_link(name, false, &err); =20 qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event, --=20 2.21.0