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    Jes Sorensen writes:
    > >>>>> "Hiren" == MEHTA,HIREN (A-SanJose,ex1) <hiren_mehta@agilent.com> writes:
    >
    > Hiren> Then why do we have 64-bit dma_addr_t on ia64 ? -hiren
    >
    > Because on ia64 you will get back a 64 bit pointer if you use
    > pci_set_dma_mask() to set a 64 bit mask before calling the pci
    > functions in question.

    Please note that this is nonstandard and undocumented behavior.

    This is not a supported API at all, and the way 64-bit DMA will
    eventually be done across all platforms is likely to be different.

    Later,
    David S. Miller
    davem@redhat.com
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