Exemplo n.º 1
0
static int queue_cpu_stop_work(struct cpu_stopper *stopper,
				struct cpu_stop_work *work)
{
       int ret=0;
	//printk("suspend_process_queue_cpu_stop_work smp=%u  enabled=%d\n",smp_processor_id(),stopper->enabled );
	if (stopper->enabled) {
		ret=wake_up_process(stopper->thread);// 1 -> success
		if(ret)
			list_add_tail(&work->list, &stopper->works);
	} else
		cpu_stop_signal_done(work->done, false);

	return ret;
}
Exemplo n.º 2
0
/* queue @work to @stopper.  if offline, @work is completed immediately */
static void cpu_stop_queue_work(struct cpu_stopper *stopper,
				struct cpu_stop_work *work)
{
	unsigned long flags;
	spin_lock_irqsave(&stopper->lock, flags);

	if (stopper->enabled) {
		list_add_tail(&work->list, &stopper->works);
		wake_up_process(stopper->thread);
	} else
		cpu_stop_signal_done(work->done, false);

	spin_unlock_irqrestore(&stopper->lock, flags);
}
/* queue @work to @stopper.  if offline, @work is completed immediately */
static void cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
{
	struct cpu_stopper *stopper = &per_cpu(cpu_stopper, cpu);
	struct task_struct *p = per_cpu(cpu_stopper_task, cpu);

	unsigned long flags;

	spin_lock_irqsave(&stopper->lock, flags);

	if (stopper->enabled) {
		list_add_tail(&work->list, &stopper->works);
		wake_up_process(p);
	} else
		cpu_stop_signal_done(work->done, false);

	spin_unlock_irqrestore(&stopper->lock, flags);
}