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 9 extern int sched_cpu_starting(unsigned int cpu); 10 extern int sched_cpu_activate(unsigned int cpu); 11 extern int sched_cpu_deactivate(unsigned int cpu); 12 13 #ifdef CONFIG_HOTPLUG_CPU 14 extern int sched_cpu_wait_empty(unsigned int cpu); 15 extern 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 22 extern void idle_task_exit(void); 23 #else idle_task_exit(void)24static inline void idle_task_exit(void) {} 25 #endif 26 27 #endif /* _LINUX_SCHED_HOTPLUG_H */ 28