return true;
spin_unlock_irq(&gcwq->lock);
- /* CPU has come up inbetween, retry migration */
+ /*
+ * We've raced with CPU hot[un]plug. Give it a breather
+ * and retry migration. cond_resched() is required here;
+ * otherwise, we might deadlock against cpu_stop trying to
+ * bring down the CPU on non-preemptive kernel.
+ */
cpu_relax();
+ cond_resched();
}
}
worker->id = id;
if (!on_unbound_cpu)
- worker->task = kthread_create(worker_thread, worker,
- "kworker/%u:%d", gcwq->cpu, id);
+ worker->task = kthread_create_on_node(worker_thread,
+ worker,
+ cpu_to_node(gcwq->cpu),
+ "kworker/%u:%d", gcwq->cpu, id);
else
worker->task = kthread_create(worker_thread, worker,
"kworker/u:%d", id);