Re: 2.4.21-rc7 AMD64 dpt_i2o fails compile

Andi Kleen (ak@suse.de)
Thu, 5 Jun 2003 21:51:58 +0200


On Thu, Jun 05, 2003 at 08:45:44PM +0100, Alan Cox wrote:
> On Iau, 2003-06-05 at 13:15, Andi Kleen wrote:
> > Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> >
> > > Fixing up dpt_i2o for the new DMA stuff is a major job. Fixing it for
> > > 64bit cleanness even more so.
> >
> > If the hardware/firmware supports 64bit pointers then at least AMD64
> > can work without the PCI DMA API.
>
> 32bit all around as far I as I can tell

Then fixing it to use the DMA code is best - you can use 32bit pointers
fine then. Just the code in the driver itself needs to be able to tolerate
a 64bit host.

-Andi
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