Andrew Morton napsal(a):
> On Wed, 4 Apr 2007 23:45:38 +0200 (CEST) Jiri Slaby <[email protected]> wrote:
>
>> cyclades, remove volatiles
>
> The other changes seem uncontroversial, but this one has the potential
> to change runtime behaviour. And cyclades.c is a driver which some people
> actually use ;)
Well, don't you know anybody with Z card, please?
But all volatiles were
- used locally (loop variables, nonptr count read once from HW), so that nothing
has a chance to change them in the memory.
- accessed by readX/writeX (pointers to mapped HW) and that should be OK
> Have these changes been runtime-tested?
Yes this time :), I have at least PCI Y cyclades card within reach to test.
thanks,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
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