From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <patrik.r.andersson@ericsson.com>
Received: from sessmg22.ericsson.net (sessmg22.ericsson.net [193.180.251.58])
 by dpdk.org (Postfix) with ESMTP id 7D1522E41
 for <dev@dpdk.org>; Mon, 11 Apr 2016 08:06:48 +0200 (CEST)
X-AuditID: c1b4fb3a-f79d86d000005b69-83-570b3ef7597d
Received: from ESESSHC008.ericsson.se (Unknown_Domain [153.88.183.42])
 by sessmg22.ericsson.net (Symantec Mail Security) with SMTP id
 1B.0F.23401.7FE3B075; Mon, 11 Apr 2016 08:06:48 +0200 (CEST)
Received: from [147.214.49.111] (153.88.183.153) by smtp.internal.ericsson.com
 (153.88.183.44) with Microsoft SMTP Server id 14.3.248.2;
 Mon, 11 Apr 2016 08:06:06 +0200
To: "Xie, Huawei" <huawei.xie@intel.com>, Christian Ehrhardt
 <christian.ehrhardt@canonical.com>, Daniele Di Proietto
 <diproiettod@vmware.com>
References: <1458292380-9258-1-git-send-email-patrik.r.andersson@ericsson.com>
 <C37D651A908B024F974696C65296B57B4C69D6C7@SHSMSX101.ccr.corp.intel.com>
 <570379F9.6020306@ericsson.com>
 <CAATJJ0LTPKe6hbnWM-noXDbCJ0Y2H6SErg7N8UL1vWuLC1qqLg@mail.gmail.com>
 <C37D651A908B024F974696C65296B57B4C6D90F2@SHSMSX101.ccr.corp.intel.com>
CC: "dev@dpdk.org" <dev@dpdk.org>, Thomas Monjalon
 <thomas.monjalon@6wind.com>, "Ananyev, Konstantin"
 <konstantin.ananyev@intel.com>, Yuanhan Liu <yuanhan.liu@linux.intel.com>
From: Patrik Andersson R <patrik.r.andersson@ericsson.com>
Organization: Ericsson AB
Message-ID: <570B3ECE.3050905@ericsson.com>
Date: Mon, 11 Apr 2016 08:06:06 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.6.0
MIME-Version: 1.0
In-Reply-To: <C37D651A908B024F974696C65296B57B4C6D90F2@SHSMSX101.ccr.corp.intel.com>
Content-Type: text/plain; charset="windows-1252"; format=flowed
Content-Transfer-Encoding: 7bit
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrGLMWRmVeSWpSXmKPExsUyM2K7lu4PO+5wg1P/2S3mrt7AbvHu03Ym
 i5fd99gt2meeZbJ4/2cRi8WXTdPZLK5PuMDqwO5xsf8Oo8eshl42j18LlrJ6LN7zkslj3slA
 j3fz37IFsEVx2aSk5mSWpRbp2yVwZcz6eYOlYD5bxeJV0xgbGH+xdDFycEgImEgseFjdxcgJ
 ZIpJXLi3nq2LkYtDSOAIo8Ss11eZIZw1jBIbmx6zgzQIC3hJvLpoDBIXEZjIKLH512oWkG4h
 gdNMEr962UFsZoHNjBJvfuiC2GwCVhLzti1jArH5BSQlNjTsZgaxeQW0Jd7eWA1mswioSrx4
 vw5sjqhAhMSTuScZIWoEJU7OfAIW5xQIkfi3ZSbYDcwC9hIPtpZBrJKX2P52DjPECToSr868
 ZZvAKDQLSfcshI5ZSDoWMDKvYhQtTi0uzk03MtJLLcpMLi7Oz9PLSy3ZxAiMjYNbflvtYDz4
 3PEQowAHoxIPrwIrd7gQa2JZcWXuIUYJDmYlEd4EU6AQb0piZVVqUX58UWlOavEhRmkOFiVx
 3pzIf2FCAumJJanZqakFqUUwWSYOTqkGxvW8JhO/KqyR3ZYmwap6e6rM6vBXfxak3PW98GM9
 22n1Cx/2hPgsZdy09Tvbzoav8wv2za1ffC+3/8vc69vv30s+fHzz5JI5rDevzfHO/3dvk67b
 wYNik8zzzjZ6dZv1Z78KOxzvMe9GnNSXxvOSimY/e3nmXNkUW7F8SruPxufYX5fW8i2z6f6u
 xFKckWioxVxUnAgADNySiYkCAAA=
Subject: Re: [dpdk-dev] [RFC] vhost user: add error handling for fd > 1023
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Mon, 11 Apr 2016 06:06:48 -0000

I fully agree with this course of action.

Thank you,

Patrik


On 04/08/2016 08:47 AM, Xie, Huawei wrote:
> On 4/7/2016 10:52 PM, Christian Ehrhardt wrote:
>> I totally agree to that there is no deterministic rule what to expect.
>> The only rule is that #fd certainly always is > #vhost_user devices.
>> In various setup variants I've crossed fd 1024 anywhere between 475
>> and 970 vhost_user ports.
>>
>> Once the discussion continues and we have an updates version of the
>> patch with some more agreement I hope I can help to test it.
> Thanks. Let us first temporarily fix this problem for robustness, then
> we consider whether upgrade to (e)poll.
> Will check the patch in detail later. Basically it should work but need
> check whether we need extra fixes elsewhere.