rculfhash: Ensure future-proof memory barrier semantic consistency
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 8 May 2012 21:09:46 +0000 (17:09 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 8 May 2012 21:09:46 +0000 (17:09 -0400)
Use cmm_smp_mb__before_uatomic_or() prior to the uatomic_or() in
_rcu_lfht_del() to ensure correct memory barrier semantic when we relax
(in the future) the barrier implementation of some architectures.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

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