xref: /OK3568_Linux_fs/kernel/include/linux/sched/hotplug.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _LINUX_SCHED_HOTPLUG_H
3*4882a593Smuzhiyun #define _LINUX_SCHED_HOTPLUG_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun  * Scheduler interfaces for hotplug CPU support:
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun extern int sched_cpu_starting(unsigned int cpu);
10*4882a593Smuzhiyun extern int sched_cpu_activate(unsigned int cpu);
11*4882a593Smuzhiyun extern int sched_cpus_activate(struct cpumask *cpus);
12*4882a593Smuzhiyun extern int sched_cpu_deactivate(unsigned int cpu);
13*4882a593Smuzhiyun extern int sched_cpus_deactivate_nosync(struct cpumask *cpus);
14*4882a593Smuzhiyun extern int sched_cpu_drain_rq(unsigned int cpu);
15*4882a593Smuzhiyun extern void sched_cpu_drain_rq_wait(unsigned int cpu);
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifdef CONFIG_HOTPLUG_CPU
18*4882a593Smuzhiyun extern int sched_cpu_dying(unsigned int cpu);
19*4882a593Smuzhiyun #else
20*4882a593Smuzhiyun # define sched_cpu_dying	NULL
21*4882a593Smuzhiyun #endif
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #ifdef CONFIG_HOTPLUG_CPU
24*4882a593Smuzhiyun extern void idle_task_exit(void);
25*4882a593Smuzhiyun #else
idle_task_exit(void)26*4882a593Smuzhiyun static inline void idle_task_exit(void) {}
27*4882a593Smuzhiyun #endif
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #endif /* _LINUX_SCHED_HOTPLUG_H */
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