Chris Metcalf adf6d9b30f tile: support atomic64_dec_if_positive()
Use the normal cmpxchg() idiom to implement this functionality.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2013-03-22 15:47:00 -04:00
..
2013-03-21 15:39:35 -04:00