- for_each_online_cpu(i) {
- struct stop_machine_data *smdata = &idle;
- struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
-
- if (!cpus) {
- if (i == first_cpu(cpu_online_map))
- smdata = &active;
- } else {
- if (cpu_isset(i, *cpus))
- smdata = &active;
- }
-
- threads[i] = kthread_create((void *)stop_cpu, smdata, "kstop%u",
- i);
- if (IS_ERR(threads[i])) {
- err = PTR_ERR(threads[i]);
- threads[i] = NULL;
- goto kill_threads;
- }
-
- /* Place it onto correct cpu. */
- kthread_bind(threads[i], i);
-
- /* Make it highest prio. */
- if (sched_setscheduler_nocheck(threads[i], SCHED_FIFO, ¶m))
- BUG();
- }
-
- /* We've created all the threads. Wake them all: hold this CPU so one