/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_HOTPLUG_H
#define _LINUX_SCHED_HOTPLUG_H

/*
 * Scheduler interfaces for hotplug CPU support:
 */

extern int sched_cpu_starting(unsigned int cpu);
extern int sched_cpu_activate(unsigned int cpu);
extern int sched_cpus_activate(struct cpumask *cpus);
extern int sched_cpu_deactivate(unsigned int cpu);
extern int sched_cpus_deactivate_nosync(struct cpumask *cpus);
extern int sched_cpu_drain_rq(unsigned int cpu);
extern void sched_cpu_drain_rq_wait(unsigned int cpu);

#ifdef CONFIG_HOTPLUG_CPU
extern int sched_cpu_dying(unsigned int cpu);
#else
# define sched_cpu_dying	NULL
#endif

#ifdef CONFIG_HOTPLUG_CPU
extern void idle_task_exit(void);
#else
static inline void idle_task_exit(void) {}
#endif

#endif /* _LINUX_SCHED_HOTPLUG_H */