From mboxrd@z Thu Jan  1 00:00:00 1970
From: George Dunlap <george.dunlap@citrix.com>
Subject: Re: [PATCH 1/3] xen: sched: introduce the 'null'
 semi-static scheduler
Date: Mon, 27 Mar 2017 11:31:26 +0100
Message-ID: <070ec8e5-ee87-ef5f-e83c-099c9743e926@citrix.com>
References: <148977585611.29510.906390949919041674.stgit@Palanthas.fritz.box>
 <148977617833.29510.4160128186395621610.stgit@Palanthas.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.bemta3.messagelabs.com ([195.245.230.39])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <prvs=2520ccd0c=George.Dunlap@citrix.com>)
 id 1csRvu-0000LE-RK
 for xen-devel@lists.xenproject.org; Mon, 27 Mar 2017 10:31:30 +0000
In-Reply-To: <148977617833.29510.4160128186395621610.stgit@Palanthas.fritz.box>
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: Dario Faggioli <dario.faggioli@citrix.com>, xen-devel@lists.xenproject.org
Cc: Jonathan Davies <Jonathan.Davies@citrix.com>, Julien Grall <julien.grall@arm.com>, Stefano Stabellini <sstabellini@kernel.org>, Marcus Granado <marcus.granado@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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