On Tuesday 26 June 2007 21:59, Jeremy Fitzhardinge wrote:
> I'm looking at adding dom0 support to the pv-ops kernel. One of the
> obvious things we need is to support real device drivers, and the
> associated p->m translations for devices.
>
> I'm thinking the cleanest thing to do is make x86-64's dma-mapping.h
> with its dma_mapping_ops common to i386 and x86-64, so we can hook the
> Xen translations in there. Presumably we'll need to do this anyway to
> support VTd for 32-bit (but I don't know if that's a reasonable thing to
> do anyway).
>
> What do you think?
Ok, if you can do it without ifdefs.
And no swiotlb on i386; that is something that is completely broken
in upstream Xen and needs to be fixed properly anyways.
-Andi
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