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tile: support atomic64_dec_if_positive()
author
Chris Metcalf
<cmetcalf@tilera.com>
Fri, 1 Feb 2013 17:37:48 +0000
(12:37 -0500)
committer
Chris Metcalf
<cmetcalf@tilera.com>
Fri, 22 Mar 2013 19:47:00 +0000
(15:47 -0400)
Use the normal cmpxchg() idiom to implement this functionality.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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git.openpandora.org / pandora-kernel.git / commitdiff