Daniel Walker wrote:
On Thu, 2005-09-22 at 10:59 +1000, Nick Piggin wrote:
You need my atomic_cmpxchg patches that provide an atomic_cmpxchg
(and atomic_inc_not_zero) for all architectures.
It is racy, but why not just disable preemption ..
Well you haven't, that's the point. You *introduce* racy operation.
Anyway, no matter, atomic_cmpxchg will take care of this nicely.
--
SUSE Labs, Novell Inc.
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