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    SubjectRe: BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable)


    On Tue, 17 Jun 2008, Andi Kleen wrote:
    >
    > Loads are not supposed to fault in copy_to_user(). Only stores are.

    Andi, just shut up already.

    It is "copy_user". Notice the lack of "from" or "to". That code handles
    *both* copy_to_user and copy_from_user.

    > If your patch fixes something then the main wrong thing is the caller
    > who passes a faulting source address.

    Andi, SHUT THE F*CK UP. Read the code. Read the patch. Sorry for ever
    involving you. I don't want to hear your idiotic whining.

    Linus


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