Messages in this thread | | | Date | Mon, 02 Aug 2010 08:47:53 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 9/9] x86: Detect whether we should use Xen SWIOTLB. |
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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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