From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
Subject: [PATCH v2 1/7] xenstore-read: add support for a retry
	open limit on xenstored
Date: Wed, 19 Mar 2014 13:58:47 -0700
Message-ID: <1395262733-11885-2-git-send-email-mcgrof@do-not-panic.com>
References: <1395262733-11885-1-git-send-email-mcgrof@do-not-panic.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.bemta4.messagelabs.com ([85.158.143.247])
	by lists.xen.org with esmtp (Exim 4.72)
	(envelope-from <mcgrof@gmail.com>) id 1WQNaJ-00051n-IQ
	for xen-devel@lists.xenproject.org; Wed, 19 Mar 2014 20:59:35 +0000
Received: by mail-pd0-f176.google.com with SMTP id r10so9197004pdi.35
	for <xen-devel@lists.xenproject.org>;
	Wed, 19 Mar 2014 13:59:18 -0700 (PDT)
In-Reply-To: <1395262733-11885-1-git-send-email-mcgrof@do-not-panic.com>
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>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: xen-devel@lists.xenproject.org
Cc: Ian Campbell <ian.campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, "Luis R. Rodriguez" <mcgrof@suse.com>, =?UTF-8?q?Jan=20R=C4=99korajski?= <baggins@pld-linux.org>, Ian Jackson <ian.jackson@eu.citrix.com>, Jacek Konieczny <jajcus@jajcus.net>, M A Young <m.a.young@durham.ac.uk>
List-Id: xen-devel@lists.xenproject.org
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