Re: [PATCH]CPU hotplug breaks wake_up_new_task

[Shaohua Li]

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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