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    SubjectRe: [PATCH/RFC] Futex mmap_sem deadlock
    Chris Friesen wrote:
    > > down_read(&current->mm->mmap_sem);
    > > get_futex_key(...) etc.
    > > queue_me(...) etc.
    > > current->flags |= PF_MMAP_SEM; <- new
    > > ret = get_user(...);
    > > current->flags &= PF_MMAP_SEM; <- new
    > > /* the rest */
    >
    > Should the second new line be this (with the inverse)?
    >
    > current->flags &= ~PF_MMAP_SEM;

    Quiet! I was trying to sneak in a security hole! :)

    -- Jamie
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