From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 5E39F1B471; Fri, 4 Jan 2019 09:46:39 +0100 (CET) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C0A9381DFA; Fri, 4 Jan 2019 08:46:38 +0000 (UTC) Received: from [10.36.112.33] (ovpn-112-33.ams2.redhat.com [10.36.112.33]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2FE745D9C5; Fri, 4 Jan 2019 08:46:36 +0000 (UTC) To: Tiwei Bie , zhihong.wang@intel.com, dev@dpdk.org Cc: stable@dpdk.org References: <20190104040642.27463-1-tiwei.bie@intel.com> <20190104040642.27463-6-tiwei.bie@intel.com> From: Maxime Coquelin Message-ID: Date: Fri, 4 Jan 2019 09:46:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <20190104040642.27463-6-tiwei.bie@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 04 Jan 2019 08:46:38 +0000 (UTC) Subject: Re: [dpdk-dev] [PATCH 5/6] vhost: fix possible dead loop in vector filling X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Jan 2019 08:46:39 -0000 On 1/4/19 5:06 AM, Tiwei Bie wrote: > Fix a possible dead loop which may happen, e.g. when driver > created a loop in the desc list and lens in descs are zero. > > Fixes: fd68b4739d2c ("vhost: use buffer vectors in dequeue path") > Fixes: 2f3225a7d69b ("vhost: add vector filling support for packed ring") > Cc: stable@dpdk.org > > Signed-off-by: Tiwei Bie > --- > lib/librte_vhost/virtio_net.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > Reviewed-by: Maxime Coquelin Thanks, Maxime