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    SubjectRe: [PATCH 04/15] swiotlb: remove unnecessary swiotlb_bus_to_virt
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    On Mon, 2009-07-13 at 21:17 -0500, Becky Bruce wrote:
    >
    > phys_to_virt (also, virt_to_phys) is invalid for highmem addresses on
    > ppc.

    I would be surprised if x86 was any different here. Most of our highmem
    implementation comes straight from x86 :-)

    Cheers,
    Ben.




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