Merge "sched: Take irq_sparse lock during the isolation"

	smp_call_function_any(&avail_cpus, timer_quiesce_cpu, &cpu, 1);

	watchdog_disable(cpu);

	irq_lock_sparse();

	stop_cpus(cpumask_of(cpu), do_isolation_work_cpu_stop, 0);

	irq_unlock_sparse();

	calc_load_migrate(rq);

	update_max_interval();