From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: [PATCH v2] xsplice: Don't perform multiple operations
	on same payload once work is scheduled.
Date: Fri, 29 Apr 2016 05:42:35 -0400
Message-ID: <1461922955-16207-1-git-send-email-konrad.wilk@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>
Received: from mail6.bemta5.messagelabs.com ([195.245.231.135])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <konrad@char.us.oracle.com>) id 1aw4x4-00038W-BK
 for xen-devel@lists.xenproject.org; Fri, 29 Apr 2016 09:43:10 +0000
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: xen-devel@lists.xenproject.org
Cc: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Ross Lagerwall <ross.lagerwall@citrix.com>, Jan Beulich <jbeulich@suse.com>, =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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