MMIO and gcc re-ordering issue

Geert Uytterhoeven geert at
Fri May 30 19:22:19 EST 2008

On Fri, 30 May 2008, Haavard Skinnemoen wrote:
> Maybe we need another interface that does not do byteswapping but
> provides stronger ordering guarantees?

The byte swapping depends on the device/bus.

So what happened to the old idea of putting the accessor function pointers
in the device/bus structure?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at

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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