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    SubjectRe: x86: get rid of the insane TIF_ABI_PENDING bit
    On 02/15, H. Peter Anvin wrote:
    > 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.

    Perhaps Andi could explain us why this is needed,

    > On
    > the other hand, it sure as heck seems better to set it and not need it
    > than the other way around.

    Agreed, but otoh it is always good to understand the code. If we
    really have a reason for TS_COMPAT, a small comment can help other


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