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                }

                head = &rq->migration_queue;

                if (list_empty(head)) {
                        spin_unlock_irq(&rq->lock);
                        schedule();
                        set_current_state(TASK_INTERRUPTIBLE);
                        continue;
                }
                req = list_entry(head->next, struct migration_req, list);
                list_del_init(head->next);

                spin_unlock(&rq->lock);
                __migrate_task(req->task, cpu, req->dest_cpu);
                local_irq_enable();

                complete(&req->done);
        }
        __set_current_state(TASK_RUNNING);
        return 0;

wait_to_die:
        /* Wait for kthread_stop */
        set_current_state(TASK_INTERRUPTIBLE);
        while (!kthread_should_stop()) {
                schedule();
                set_current_state(TASK_INTERRUPTIBLE);
        }
        __set_current_state(TASK_RUNNING);
        return 0;
}

#ifdef CONFIG_HOTPLUG_CPU

static int __migrate_task_irq(struct task_struct *p, int src_cpu, int dest_cpu)
{
        int ret;

        local_irq_disable();
        ret = __migrate_task(p, src_cpu, dest_cpu);