From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Subject: Re: [PATCH V3 2/7] COLO-Proxy: Setup userspace
 colo-proxy on primary side
Date: Tue, 21 Feb 2017 21:12:55 +0800
Message-ID: <f7234d7d-c5fa-ea54-fc7e-dfc0bace4d92@cn.fujitsu.com>
References: <1487297909-1885-1-git-send-email-zhangchen.fnst@cn.fujitsu.com>
 <1487297909-1885-3-git-send-email-zhangchen.fnst@cn.fujitsu.com>
 <20170220155545.gjvcls4xg6hkhpwy@citrix.com>
 <7120966a-6b84-6dba-06fb-003d7cb7da2d@cn.fujitsu.com>
 <20170221095320.aa65ev22kbdvr3cp@citrix.com>
 <d0624dcd-3c9c-8a33-3dcc-f9757c2cb8d4@cn.fujitsu.com>
 <20170221111801.p3ifery243saaupo@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta3.messagelabs.com ([195.245.230.39])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <zhangchen.fnst@cn.fujitsu.com>) id 1cgAGH-0006fn-5w
 for xen-devel@lists.xenproject.org; Tue, 21 Feb 2017 13:13:45 +0000
In-Reply-To: <20170221111801.p3ifery243saaupo@citrix.com>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Wei Liu <wei.liu2@citrix.com>
Cc: zhangchen.fnst@cn.fujitsu.com, Li Zhijian <lizhijian@cn.fujitsu.com>, eddie <eddie.dong@intel.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Yang Hongyang <imhy.yang@gmail.com>, Xen devel <xen-devel@lists.xenproject.org>, Bian Naimeng <biannm@cn.fujitsu.com>
List-Id: xen-devel@lists.xenproject.org
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