On Tue, 2005-05-31 at 18:50 +1000, Nick Piggin wrote:
> 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).
It seems there is still a race between copy_process and wake_up_new_task
to me (cpu offline after copy_process). Am I missing anything?
Thanks,
Shaohua
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