From: Christoph Lameter <cl@linux.com>
Date: Mon, 28 Feb 2011 10:02:24 +0000 (+0100)
Subject: percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support
X-Git-Tag: v2.6.39-rc1~491^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9ec40af0e18fb7d02106be148036c2ea490fdf9;p=pandora-kernel.git

percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support

Support this_cpu_cmpxchg_double() using the cmpxchg16b and cmpxchg8b
instructions.

-tj: s/percpu_cmpxchg16b/percpu_cmpxchg16b_double/ for consistency and
     other cosmetic changes.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

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