LXR linux/include/linux/sched/hotplug.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _LINUX_SCHED_HOTPLUG_H
   3#define _LINUX_SCHED_HOTPLUG_H
   4
   5/*
   6 * Scheduler interfaces for hotplug CPU support:
   7 */
   8
   9extern int sched_cpu_starting(unsigned int cpu);
  10extern int sched_cpu_activate(unsigned int cpu);
  11extern int sched_cpu_deactivate(unsigned int cpu);
  12
  13#ifdef CONFIG_HOTPLUG_CPU
  14extern int sched_cpu_wait_empty(unsigned int cpu);
  15extern int sched_cpu_dying(unsigned int cpu);
  16#else
  17# define sched_cpu_wait_empty   NULL
  18# define sched_cpu_dying        NULL
  19#endif
  20
  21#ifdef CONFIG_HOTPLUG_CPU
  22extern void idle_task_exit(void);
  23#else
  24static inline void idle_task_exit(void) {}
  25#endif
  26
  27#endif /* _LINUX_SCHED_HOTPLUG_H */
  28