On Wed, Mar 16, 2005 at 06:35:28PM +0000, Keir Fraser wrote: > > On 16 Mar 2005, at 18:10, Christoph Hellwig wrote: > > >On Wed, Mar 16, 2005 at 10:01:07AM -0500, Rik van Riel wrote: > >>In the case of AGP, the AGPGART effectively _is_ the > >>IOMMU. Calculating the addresses right for programming > >>the AGPGART is probably worth fixing. > > > >Well, it's a half-assed one. And some systems have a real one. > > > >But the real problem is that virt_to_bus doesn't exist at all > >on architectures like ppc64, and this patch touches files like > >generic.c and backend.c that aren't PC-specific. So you > >effectively break agp support for them. > > The AGP driver is only configurable for ppc32, alpha, x86, x86_64 and > ia64, all of which have virt_to_bus.
and ppc64 now, which doesn't. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/