Messages in this thread | | | Date | Fri, 15 Dec 2006 09:31:12 +0100 | From | Ingo Molnar <> | Subject | Re: + schedule_on_each_cpu-use-preempt_disable.patch added to -mm tree |
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* akpm@osdl.org <akpm@osdl.org> 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()?
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