Re: + schedule_on_each_cpu-use-preempt_disable.patch added to -mm tree

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* [email protected] <[email protected]> wrote:

> -	mutex_lock(&workqueue_mutex);
> +	preempt_disable();		/* CPU hotplug */
>  	for_each_online_cpu(cpu) {
>  		INIT_WORK(per_cpu_ptr(works, cpu), func);
>  		__queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu),
>  				per_cpu_ptr(works, cpu));
>  	}
> -	mutex_unlock(&workqueue_mutex);
> +	preempt_enable();

Why not cpu_hotplug_lock()?

	Ingo
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