On Fri, Aug 17, 2007 at 09:28:00AM +0800, Herbert Xu wrote:
> On Thu, Aug 16, 2007 at 06:02:32PM -0700, Paul E. McKenney wrote:
> >
> > Yep. Or you can use atomic_dec_return() instead of using a barrier.
>
> Or you could use smp_mb__{before,after}_atomic_dec.
Yep. That would be an example of a barrier, either in the
atomic_dec() itself or in the smp_mb...().
Thanx, Paul
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