From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Stabellini <stefano@aporeto.com>
Subject: [DOC v1] Xen transport for 9pfs
Date: Tue, 29 Nov 2016 15:34:35 -0800 (PST)
Message-ID: <alpine.DEB.2.10.1611221126340.21858@sstabellini-ThinkPad-X260>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta6.messagelabs.com ([193.109.254.103])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <stefano@aporeto.com>) id 1cBrvJ-0006P1-O2
 for xen-devel@lists.xenproject.org; Tue, 29 Nov 2016 23:34:53 +0000
Received: by mail-pg0-f42.google.com with SMTP id p66so74617823pga.2
 for <xen-devel@lists.xenproject.org>; Tue, 29 Nov 2016 15:34:51 -0800 (PST)
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: xen-devel@lists.xenproject.org
Cc: stefano@aporeto.com, wei.liu2@citrix.com
List-Id: xen-devel@lists.xenproject.org
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==