From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Thu, 16 Aug 2012 20:40:26 +0000 (-0400)
Subject: xen/sysfs: Use XENVER_guest_handle to query UUID
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~30^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c13f8067745efc15f6ad0158b58d57c44104c25;p=pandora-kernel.git

xen/sysfs: Use XENVER_guest_handle to query UUID

This hypercall has been present since Xen 3.1, and is the preferred
method for a domain to obtain its UUID. Fall back to the xenstore method
if using an older version of Xen (which returns -ENOSYS).

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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