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    SubjectRe: Zerocopy implementation issues
    On Sun, Apr 29, 2001 at 04:06:16AM -0700, David S. Miller wrote:
    > I understand that you are frustruated about this and it
    > requires you to touch some delicate assembly. But I'm
    > going to be blunt and say "tough", because everyone has
    > to implement this correctly. Just do it and get it
    > over with.

    I'm doing it _NOW_, but I'm having to rotate the checksum
    at the end if dst & 1, only to have it unrotated in an
    inefficient manner in csum_block_*. Seems a bit of a
    waste of CPU cycles.

    Russell King ( The developer of ARM Linux

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