Messages in this thread | | | Date | Thu, 5 Jun 2003 21:51:58 +0200 | From | Andi Kleen <> | Subject | Re: 2.4.21-rc7 AMD64 dpt_i2o fails compile |
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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.
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