Re: [PATCH] arp_queue: serializing unlink + kfree_skb

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

On Fri, Feb 04, 2005 at 01:27:05AM +1100, Anton Blanchard wrote:
> 
> Architectures should guarantee that any of the atomics and bitops that
> return values order in both directions. So you dont need the
> smp_mb__before_atomic_dec here.

I wasn't aware of this requirement before.  However, if this is so,
why don't we get rid of the smp_mb__* macros?

Cheers,
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