Shaohua Li wrote:
I must be over considering. Ok, how does this updated one look?
Looks like you've found a race, alright. Nice work!
I think it would be preferable to do the check in kernel/fork.c,
after the tasklist lock is taken (and you'll need to rediff the
patch for the -mm tree).
One problem with doing it in wake_up_new_task is that I think
some newly forked tasks don't get woken up by wake_up_new_task!
Thanks,
Nick
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