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Date: Sun, 4 Apr 2004 17:20:26 -0700
From: Randolph Chung <randolph@tausq.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [parisc-linux] ATOMIC_HASH brainfart
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Cc: Grant Grundler <grundler@parisc-linux.org>,
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> > Seems like someone was confused when they hacked ATOMIC_HASH macro.
> > Cacheline is 64 bytes not 256...but I've been told several times gcc
> > is smart enough to convert "foo/64" to "foo>>6"...then just use
> > the L1_CACHE_BYTES definition to indicate intent?
> 
> IFF foo is a constant or foo is unsigned. Looks fine to me

or you can even use L1_CACHE_SHIFT :)

randolph
-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/