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:

quoted

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