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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.


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

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