From mboxrd@z Thu Jan  1 00:00:00 1970
From: George Dunlap <george.dunlap@citrix.com>
Subject: Re: [PATCH] xen: RTDS: fix another instance of the
	'read NOW()' race
Date: Thu, 26 May 2016 09:38:24 +0100
Message-ID: <5746B600.4060201@citrix.com>
References: <146410241867.30357.7157102219398554511.stgit@Solace.fritz.box>
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.bemta6.messagelabs.com ([85.158.143.247])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <prvs=9477c40f0=George.Dunlap@citrix.com>)
 id 1b5qp3-0002hi-19
 for xen-devel@lists.xenproject.org; Thu, 26 May 2016 08:39:17 +0000
In-Reply-To: <146410241867.30357.7157102219398554511.stgit@Solace.fritz.box>
List-Unsubscribe: <http://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: <http://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: Dario Faggioli <dario.faggioli@citrix.com>, xen-devel@lists.xenproject.org
Cc: Wei Liu <wei.liu2@citrix.com>, Meng Xu <mengxu@cis.upenn.edu>, Jan Beulich <jbeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org
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