From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH v4] x86/p2m: use large pages for MMIO
	mappings
Date: Mon, 25 Jan 2016 14:05:52 +0000
Message-ID: <1453730752.4320.164.camel@citrix.com>
References: <56A25C0602000078000CA367@prv-mh.provo.novell.com>
	<1453724207.4320.137.camel@citrix.com>
	<56A6371802000078000CAA6B@prv-mh.provo.novell.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.bemta5.messagelabs.com ([195.245.231.135])
	by lists.xen.org with esmtp (Exim 4.72)
	(envelope-from <prvs=825142af3=Ian.Campbell@citrix.com>)
	id 1aNhmG-0008OS-Ec
	for xen-devel@lists.xenproject.org; Mon, 25 Jan 2016 14:05:56 +0000
In-Reply-To: <56A6371802000078000CAA6B@prv-mh.provo.novell.com>
List-Unsubscribe: <http://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: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Jan Beulich <JBeulich@suse.com>
Cc: Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.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>, Jun Nakajima <jun.nakajima@intel.com>, xen-devel <xen-devel@lists.xenproject.org>, Keir Fraser <keir@xen.org>
List-Id: xen-devel@lists.xenproject.org
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