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    SubjectRe: x86: get rid of the insane TIF_ABI_PENDING bit
    On 02/15/2010 11:41 AM, Roland McGrath wrote:
    > It affects whatever uses is_compat_task(), but I can't see anything
    > where that matters except inside some particular syscall or for
    > syscall restart after signals.

    FWIW, the origin of this is checkin
    4d9bc79cd28b779610d9590b3a96a28a0f64a25a (2.6.18-rc1), which somewhat
    unhelpfully states "Make sure is_compat_task works early". It doesn't
    specify what the failure is if is_compat_task doesn't work early. On
    the other hand, it sure as heck seems better to set it and not need it
    than the other way around.


    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.

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