From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chao Gao <chao.gao@intel.com>
Subject: Re: [PATCH RESEND v9] VT-d: use correct BDF for VF to
 search VT-d unit
Date: Fri, 25 Aug 2017 21:51:38 +0800
Message-ID: <20170825135135.GA21245@op-computing>
References: <1503638821-45386-1-git-send-email-chao.gao@intel.com>
 <59A00C7A0200007800173A34@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>
Content-Disposition: inline
In-Reply-To: <59A00C7A0200007800173A34@prv-mh.provo.novell.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: Jan Beulich <JBeulich@suse.com>
Cc: Tim Deegan <tim@xen.org>, Kevin Tian <kevin.tian@intel.com>, Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, xen-devel@lists.xen.org, Crawford Eric R <Eric.R.Crawford@intel.com>, Roger Pau =?iso-8859-1?Q?Monn=E9?= <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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