From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: Wed, 29 Apr 2015 21:10:13 +0000 (-0400)
Subject: xen/xenbus: Update xenbus event channel on resume
X-Git-Tag: omap-for-v4.2/omap1-v2~27^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16f1cf3ba7303228372d3756677bf7d10e79cf9f;p=pandora-kernel.git

xen/xenbus: Update xenbus event channel on resume

After a resume the hypervisor/tools may change xenbus event
channel number. We should re-query it.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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