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SubjectRe: [PATCH 9/9] x86: Detect whether we should use Xen SWIOTLB.
On 08/02/2010 08:43 AM, FUJITA Tomonori wrote:
>
> That's the difficult part because IOMMUs are not
> interdependent. Hardware IOMMUs are related with swiotlb. GART and
> AMD-IOMMU are too.
>
> We could invent sorta IOMMU register interface and driver-ize IOMMUs
> but they can't be interdependent completely.

Of course. However, we need there to be as much structure to it as
there can be.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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