Update - Re: Open Sourced Glide on Linux PPC

[Geert Uytterhoeven]

On 27 Dec 1999, Peter Chang wrote:
> Geert Uytterhoeven <geert at linux-m68k.org> writes:
> > If you use the *mb() macros instead of eieio(), you don't have to use #ifdefs
> > and it'll work automagically on e.g. Alpha as well.
> 
> This I know less about, but these might fence more often than strictly necessary?

wmb() is a barrier for writing.
rmb() is a barrier for reading.
mb() is a barrier for both and thus the `safest'.

The main advantage is that these are defined for all architectures, unlike
eieio().

Gr{oetje,eeting}s,
--
Geert Uytterhoeven -- Linux/{m68k~Amiga,PPC~CHRP} -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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