From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Liu <wei.liu2@citrix.com>
Subject: Re: [PATCH v4 11/12] x86/hvm/ioreq: defer mapping gfns
 until they are actually requsted
Date: Thu, 7 Sep 2017 13:00:17 +0100
Message-ID: <20170907120017.7imdnlgm33is7n3u@citrix.com>
References: <20170905113716.3960-1-paul.durrant@citrix.com>
 <20170905113716.3960-12-paul.durrant@citrix.com>
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 <prvs=416ab7091=wei.liu2@citrix.com>)
 id 1dpvTp-0003OE-Gn
 for xen-devel@lists.xenproject.org; Thu, 07 Sep 2017 12:00:21 +0000
Content-Disposition: inline
In-Reply-To: <20170905113716.3960-12-paul.durrant@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: Paul Durrant <paul.durrant@citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Jan Beulich <jbeulich@suse.com>, xen-devel@lists.xenproject.org
List-Id: xen-devel@lists.xenproject.org
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