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percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support
authorChristoph Lameter <cl@linux.com>
Mon, 28 Feb 2011 10:02:24 +0000 (11:02 +0100)
committerTejun Heo <tj@kernel.org>
Mon, 28 Feb 2011 10:20:49 +0000 (11:20 +0100)
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>

No differences found
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