Re: [BUG 2.6.25-rc3] scheduler/hotplug: some processes aredealocked when cpu is set to offline

From: Andrew Morton
Date: Fri Mar 07 2008 - 18:30:29 EST


On Fri, 7 Mar 2008 15:01:26 -0800
Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:

>
> Andrew, Please check if the appended patch fixes your power-off problem aswell.
> ...
>
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -5882,6 +5882,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
> break;
>
> case CPU_DOWN_PREPARE:
> + case CPU_DOWN_PREPARE_FROZEN:
> /* Update our root-domain */
> rq = cpu_rq(cpu);
> spin_lock_irqsave(&rq->lock, flags);

No, it does not.
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