From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lan Tianyu <tianyu.lan@intel.com>
Subject: Re: Xen virtual IOMMU high level design doc V2
Date: Fri, 28 Oct 2016 23:36:01 +0800
Message-ID: <18a9a925-a5ee-dd63-ba1a-b42d484c9777@intel.com>
References: <5746B3FA.6020401@intel.com> <5746DF93.8090803@citrix.com>
 <57480327.60609@intel.com> <78d122f0-c773-7fa3-1258-c551937c508e@intel.com>
 <575081E8.6070609@citrix.com>
 <AADFC41AFE54684AB9EE6CBC0274A5D15F88B441@SHSMSX101.ccr.corp.intel.com>
 <57518B78.6060604@citrix.com>
 <alpine.DEB.2.10.1606031724280.2590@sstabellini-ThinkPad-X260>
 <AADFC41AFE54684AB9EE6CBC0274A5D15F89160A@SHSMSX101.ccr.corp.intel.com>
 <alpine.DEB.2.10.1606071056430.14126@sstabellini-ThinkPad-X260>
 <AADFC41AFE54684AB9EE6CBC0274A5D15F89EBD6@SHSMSX101.ccr.corp.intel.com>
 <647d0b74-cecc-db33-1033-f7201c8a0af5@intel.com>
 <AADFC41AFE54684AB9EE6CBC0274A5D15F8DE707@SHSMSX101.ccr.corp.intel.com>
 <13fa96c1-4e66-e8a0-3b66-1c93ad2b6543@intel.com>
 <577BD8D002000078000FB3F7@prv-mh.provo.novell.com>
 <3f375a3e-0bbb-ca70-9ea2-e8a970a5dc72@intel.com>
 <4a8616a2-a576-aadc-993f-3d349f91f310@citrix.com>
 <884d6ac3-5f8a-a01a-f87d-26037b1069e3@intel.com>
 <561ba095-e75e-4847-def6-90933ca5ba20@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: <561ba095-e75e-4847-def6-90933ca5ba20@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: Andrew Cooper <andrew.cooper3@citrix.com>, Jan Beulich <JBeulich@suse.com>, Kevin Tian <kevin.tian@intel.com>, "yang.zhang.wz@gmail.com" <yang.zhang.wz@gmail.com>, Jun Nakajima <jun.nakajima@intel.com>, Stefano Stabellini <sstabellini@kernel.org>
Cc: "anthony.perard@citrix.com" <anthony.perard@citrix.com>, xuquan8@huawei.com, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, "ian.jackson@eu.citrix.com" <ian.jackson@eu.citrix.com>, Roger Pau Monne <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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