From mboxrd@z Thu Jan  1 00:00:00 1970
From: Feng Wu <feng.wu@intel.com>
Subject: [PATCH v3 2/6] VMX: Properly handle pi when all the
	assigned devices are removed
Date: Wed, 31 Aug 2016 11:56:27 +0800
Message-ID: <1472615791-8664-3-git-send-email-feng.wu@intel.com>
References: <1472615791-8664-1-git-send-email-feng.wu@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <1472615791-8664-1-git-send-email-feng.wu@intel.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: xen-devel@lists.xen.org
Cc: kevin.tian@intel.com, Feng Wu <feng.wu@intel.com>, george.dunlap@eu.citrix.com, andrew.cooper3@citrix.com, dario.faggioli@citrix.com, jbeulich@suse.com
List-Id: xen-devel@lists.xenproject.org
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