RE: RE: RE: [Xen-devel] AGP problems with 2.0.5

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> > I guess we'll just have to do a code review of radeon and 
> look to see
> > whether there are any duff assumptions...
> 
> I did not find any phys_to_virt() or such.
> What else do I need to look for.

Some of the stuff in drm_vm looks pretty scary at first glance. It would
be good to find out what code path its taking so we can concentrate on
where to look.

Knowing if the remap_pfn_range is called and completes OK would be
useful.

The code near the comment that says "It's AGP memory - find the real
physical page to map" is worth a closer look too.

Ian


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