#include <linux/file.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <trace/sched.h>
#define KTHREAD_NICE_LEVEL (-5)
*/
sched_setscheduler(create->result, SCHED_NORMAL, ¶m);
set_user_nice(create->result, KTHREAD_NICE_LEVEL);
- set_cpus_allowed(create->result, CPU_MASK_ALL);
+ set_cpus_allowed_ptr(create->result, CPU_MASK_ALL_PTR);
}
complete(&create->done);
}
*/
void kthread_bind(struct task_struct *k, unsigned int cpu)
{
- if (k->state != TASK_UNINTERRUPTIBLE) {
+ /* Must have done schedule() in kthread() before we set_task_cpu */
+ if (!wait_task_inactive(k, TASK_UNINTERRUPTIBLE)) {
WARN_ON(1);
return;
}
- /* Must have done schedule() in kthread() before we set_task_cpu */
- wait_task_inactive(k);
set_task_cpu(k, cpu);
k->cpus_allowed = cpumask_of_cpu(cpu);
k->rt.nr_cpus_allowed = 1;
/* It could exit after stop_info.k set, but before wake_up_process. */
get_task_struct(k);
+ trace_sched_kthread_stop(k);
+
/* Must init completion *before* thread sees kthread_stop_info.k */
init_completion(&kthread_stop_info.done);
smp_wmb();
ret = kthread_stop_info.err;
mutex_unlock(&kthread_stop_lock);
+ trace_sched_kthread_stop_ret(ret);
+
return ret;
}
EXPORT_SYMBOL(kthread_stop);
set_task_comm(tsk, "kthreadd");
ignore_signals(tsk);
set_user_nice(tsk, KTHREAD_NICE_LEVEL);
- set_cpus_allowed(tsk, CPU_MASK_ALL);
+ set_cpus_allowed_ptr(tsk, CPU_MASK_ALL_PTR);
current->flags |= PF_NOFREEZE | PF_FREEZER_NOSIG;