Merge "sched/core: Keep rq online after cpu isolation"

	sched_ttwu_pending();

	/* Update our root-domain */

	raw_spin_lock(&rq->lock);

	/*

	 * Temporarily mark the rq as offline. This will allow us to

	 * move tasks off the CPU.

	 */

	if (rq->rd) {

		BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));

		set_rq_offline(rq);

	}

	migrate_tasks(rq, false);

	if (rq->rd)

		set_rq_online(rq);

	raw_spin_unlock(&rq->lock);

	/*

		raw_spin_lock_irqsave(&rq->lock, flags);

		rq->age_stamp = sched_clock_cpu(cpu);

		if (rq->rd) {

			BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));

			set_rq_online(rq);

		}

		raw_spin_unlock_irqrestore(&rq->lock, flags);

	}