Re: Who uses hdx=bswap or hdx=swapdata?

From: Geert Uytterhoeven (
Date: Fri Jan 04 2002 - 04:09:46 EST

On Thu, 3 Jan 2002, Alan Cox wrote:
> > Is the hdx=bswap or hdx=swapdata option actually in use?
> > When is it needed?
> Certain M68K machines
> > The current implementation can cause data corruptions on SMP with PIO
> > transfers:
> >
> > Is it possible to remove the option entirely, or should it be fixed?
> Show me an SMP Atari ST 8)

IIRC it's used to access non-Atari IDE disks on Atari (which has a byte-swapped
IDE interface) and vice-versa.

So yes, you can use it on SMP machines, to access disks that were used before
on Atari.



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

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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