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    Subject[PATCH V2 0/7] swiotlb: changes for powerpc/highmem
    Date
    This is v2 of a series of fairly minor patches that get swiotlb
    working on 32-bit powerpc systems with HIGHMEM, plus some cleanup
    of the outdated comments in the code. I've made a couple of things
    weak that ppc needs to override, and have changed the prototypes
    for a couple of functions to include the hwdev pointer, which
    we need to ppc to convert bus addresses to and from phys/virt
    addresses. I've also fixed a build warning I've been seeing on
    ppc.

    In response to commentary on the previous series, I've also
    refactored the code a bit, altough I did this slightly
    differently than was suggested because I noticed we could use the
    new helper function in 2 places instead of one. I've reformatted
    a bit of code based on commentary as well.

    I have not tested this in any way on any non-ppc platforms,
    so commentary/testing from x86/ia64 folks is, once again,
    greatly appreciated.

    I'm going to be offline for the next week, but will respond to
    commentary as soon as I return.

    Cheers,
    Becky

    diffstat:
    arch/x86/kernel/pci-swiotlb.c | 2 +-
    include/linux/swiotlb.h | 3 +-
    lib/swiotlb.c | 115 ++++++++++++++++++++++-------------------
    3 files changed, 64 insertions(+), 56 deletions(-)



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