From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Date: Thu, 16 Oct 2014 21:02:15 +0000 (-0400)
Subject: x86/xen: Fix incorrect per_cpu accessor in xen_clocksource_read()
X-Git-Tag: fixes-against-v3.18-rc2~10^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3251f20b897f955ab7f153181b4ebfbb2317cbb9;p=pandora-kernel.git

x86/xen: Fix incorrect per_cpu accessor in xen_clocksource_read()

Commit 89cbc76768c2 ("x86: Replace __get_cpu_var uses") replaced
__get_cpu_var() with this_cpu_ptr() in xen_clocksource_read() in such a
way that instead of accessing a structure pointed to by a per-cpu pointer
we are trying to get to a per-cpu structure.

__this_cpu_read() of the pointer is the more appropriate accessor.

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