From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH v2 3/3] xl: new "loglvl" command
Date: Wed, 16 Mar 2016 05:22:27 -0600
Message-ID: <56E9500302000078000DD11F@prv-mh.provo.novell.com>
References: <56D9C80702000078000D9910@prv-mh.provo.novell.com>
 <56D9CA6002000078000D9935@prv-mh.provo.novell.com>
 <20160308162055.GN31271@citrix.com>
 <56E6E58702000078000DC1DB@prv-mh.provo.novell.com>
 <20160314153658.GA22805@citrix.com>
 <56E6EB8702000078000DC214@prv-mh.provo.novell.com>
 <20160314160124.GB22805@citrix.com>
 <56E6FC4402000078000DC27E@prv-mh.provo.novell.com>
 <22246.61421.620405.649331@mariner.uk.xensource.com>
 <56E7C9D302000078000DC566@prv-mh.provo.novell.com>
 <20160315135851.GE31759@citrix.com>
 <56E8253E02000078000DC7E0@prv-mh.provo.novell.com>
 <22248.11400.362158.234499@mariner.uk.xensource.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 <JBeulich@suse.com>) id 1ag9X6-0007qu-Jt
 for xen-devel@lists.xenproject.org; Wed, 16 Mar 2016 11:22:32 +0000
In-Reply-To: <22248.11400.362158.234499@mariner.uk.xensource.com>
Content-Disposition: inline
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: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>, Wei Liu <wei.liu2@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org
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