>atomic_foo() should be ordered, at least that the idea behind it as
>far as I understand.
>
>Otherwise you want to look at mb(), rmb() and wmb(). mb() is a generic
>memory barrier, wmb() makes sure a write is issues before another
>write() and rmb() ... you get the idea ;-)
The last time I discussed this with Paul Mackerras, he told me that the
atomic_xxx functions were not expected to enforce ordering. (At this
time, the linuxppc versions didn't do a sync instruction for this
reason). I didn't check recent linuxppc versions however.
--
Perso. e-mail: <mailto:bh40@calva.net>
Work e-mail: <mailto:benh@mipsys.com>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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