From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paul Durrant <Paul.Durrant@citrix.com>
Subject: Re: [PATCH v3 12/12] x86/hvm/ioreq: add a new mappable
 resource type...
Date: Mon, 4 Sep 2017 15:04:18 +0000
Message-ID: <701192c6c3b44ba18a39c47f9d27bff0@AMSPEX02CL03.citrite.net>
References: <20170831093605.2757-1-paul.durrant@citrix.com>
 <20170831093605.2757-13-paul.durrant@citrix.com>
 <20170904150218.in6cujyxat6i4aem@MacBook-Pro-de-Roger.local>
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=4135cd284=Paul.Durrant@citrix.com>)
 id 1dosvX-0002BY-RM
 for xen-devel@lists.xenproject.org; Mon, 04 Sep 2017 15:04:39 +0000
In-Reply-To: <20170904150218.in6cujyxat6i4aem@MacBook-Pro-de-Roger.local>
Content-Language: en-US
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: Roger Pau Monne <roger.pau@citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, Andrew Cooper <Andrew.Cooper3@citrix.com>, "Tim (Xen.org)" <tim@xen.org>, Jan Beulich <jbeulich@suse.com>, Ian Jackson <Ian.Jackson@citrix.com>, "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
List-Id: xen-devel@lists.xenproject.org
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