From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dongli Zhang <dongli.zhang@oracle.com>
Subject: [PATCH v3 1/1] xen: move TLB-flush filtering out into
	populate_physmap during vm creation
Date: Thu,  8 Sep 2016 13:30:03 +0800
Message-ID: <1473312603-28581-1-git-send-email-dongli.zhang@oracle.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
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: sstabellini@kernel.org, wei.liu2@citrix.com, george.dunlap@eu.citrix.com, ian.jackson@eu.citrix.com, dario.faggioli@citrix.com, tim@xen.org, david.vrabel@citrix.com, jbeulich@suse.com, andrew.cooper3@citrix.com
List-Id: xen-devel@lists.xenproject.org
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=