From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: [early RFC] ARM PCI Passthrough design document
Date: Fri, 10 Feb 2017 13:04:11 -0800 (PST)
Message-ID: <alpine.DEB.2.10.1702101301450.20549@sstabellini-ThinkPad-X260>
References: <5cf9128e-e845-2a89-f7c7-ac8616941ab9@linaro.org>
 <alpine.DEB.2.10.1701031541510.17742@sstabellini-ThinkPad-X260>
 <56a2cd48-f7cf-25ca-2bfe-cabf02d34df3@linaro.org>
 <alpine.DEB.2.10.1701241104180.10192@sstabellini-ThinkPad-X260>
 <8ca91073-09e7-57ca-9063-b47e0aced39d@linaro.org>
 <20170201105525.jm5uf6wpbzzeid4d@dhcp-3-221.uk.xensource.com>
 <alpine.DEB.2.10.1702011045120.17946@sstabellini-ThinkPad-X260>
 <20170210094837.der65tzuecla4zao@dhcp-3-221.uk.xensource.com>
 <d631440252da4fd8b6e03af8da4cf552@AMSPEX02CL03.citrite.net>
 <20170210125748.2636p25agqld5kg4@dhcp-3-221.uk.xensource.com>
 <03972711cbee4e6daebb897ead85025b@AMSPEX02CL03.citrite.net>
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.bemta3.messagelabs.com ([195.245.230.39])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <sstabellini@kernel.org>) id 1ccIMc-0005Ox-8C
 for xen-devel@lists.xenproject.org; Fri, 10 Feb 2017 21:04:18 +0000
In-Reply-To: <03972711cbee4e6daebb897ead85025b@AMSPEX02CL03.citrite.net>
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: "Edgar Iglesias (edgar.iglesias@xilinx.com)" <edgar.iglesias@xilinx.com>, Stefano Stabellini <sstabellini@kernel.org>, Wei Chen <Wei.Chen@arm.com>, Punit Agrawal <punit.agrawal@arm.com>, Steve Capper <Steve.Capper@arm.com>, Andrew Cooper <Andrew.Cooper3@citrix.com>, Jiandi An <anjiandi@codeaurora.org>, Julien Grall <julien.grall@linaro.org>, "alistair.francis@xilinx.com" <alistair.francis@xilinx.com>, Shanker Donthineni <shankerd@codeaurora.org>, xen-devel <xen-devel@lists.xenproject.org>, Anshul Makkar <anshul.makkar@citrix.com>, "manish.jaggi@caviumnetworks.com" <manish.jaggi@caviumnetworks.com>, Campbell Sean <scampbel@codeaurora.org>, Roger Pau Monne <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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