Re: [BUG] "sched: Remove rq->lock from the first half of ttwu()"locks up on ARM

[Peter Zijlstra]

On Thu, 2011-05-26 at 17:45 +0200, Oleg Nesterov wrote:
> Stupid question. Can't we fix this problem if we do
> 
>         -       if (p == current)
>         +       if (cpu == raw_smp_processor_id())
> 
> ?
> 
> I forgot the rules... but iirc task_cpu(p) can't be changed under us?

Easy enough to test.. brain gave out again,. hold on ;-)

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