Re: [PATCH] Introduce PCI <-> CPU address conversion [1/2]

Colin Ngam
2004-10-14T22:55:57Z

Matthew Wilcox wrote:

> On Thu, Oct 14, 2004 at 07:00:06PM +0100, Christoph Hellwig wrote:
> > For some architectures the sysdata is different for bus vs device, so
> > yes, we do want strict typechecking.
>
> How interesting. I was under the impression that dev->sysdata was always
> a copy of the bus's. If that's not guaranteed, then we're just going
> to have to dereference the additional pointer and use the bus' sysdata.

Hi Matthew,

On SGI's Altix system, the sysdata for the device is very much different than
the sysdata for the bus.

Thanks.

colin

>
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