From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yu Zhang <yu.c.zhang@linux.intel.com>
Subject: Re: [PATCH v4 3/3] x86/ioreq server: Add HVMOP to map
 guest ram with p2m_ioreq_server to an ioreq server.
Date: Mon, 20 Jun 2016 18:30:33 +0800
Message-ID: <5767C5C9.5090505@linux.intel.com>
References: <1463648711-26595-1-git-send-email-yu.c.zhang@linux.intel.com>
 <1463648711-26595-4-git-send-email-yu.c.zhang@linux.intel.com>
 <575FFC7E02000078000F4BA1@prv-mh.provo.novell.com>
 <576002FF.3030008@citrix.com>
 <5760234202000078000F4D38@prv-mh.provo.novell.com>
 <576124D1.1030503@citrix.com>
 <5761485002000078000F536B@prv-mh.provo.novell.com>
 <576271CF.8020202@linux.intel.com>
 <576293C602000078000F59AF@prv-mh.provo.novell.com>
 <5763CE32.7090803@citrix.com> <5767B15F.80506@linux.intel.com>
 <4d634904-fd09-1336-0023-3be37d6d698c@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>
In-Reply-To: <4d634904-fd09-1336-0023-3be37d6d698c@citrix.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>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: George Dunlap <george.dunlap@citrix.com>, Jan Beulich <JBeulich@suse.com>
Cc: Kevin Tian <kevin.tian@intel.com>, George Dunlap <george.dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Tim Deegan <tim@xen.org>, xen-devel@lists.xen.org, Paul Durrant <paul.durrant@citrix.com>, zhiyuan.lv@intel.com, JunNakajima <jun.nakajima@intel.com>
List-Id: xen-devel@lists.xenproject.org
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=