Messages in this thread | | | From | Andi Kleen <> | Subject | Re: dma_mapping_ops for i386 | Date | Wed, 27 Jun 2007 00:21:11 +0200 |
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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.
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