1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef SMPBOOT_H
3 #define SMPBOOT_H
4 
5 struct task_struct;
6 
7 #ifdef CONFIG_GENERIC_SMP_IDLE_THREAD
8 struct task_struct *idle_thread_get(unsigned int cpu);
9 void idle_thread_set_boot_cpu(void);
10 void idle_threads_init(void);
11 #else
idle_thread_get(unsigned int cpu)12 static inline struct task_struct *idle_thread_get(unsigned int cpu) { return NULL; }
idle_thread_set_boot_cpu(void)13 static inline void idle_thread_set_boot_cpu(void) { }
idle_threads_init(void)14 static inline void idle_threads_init(void) { }
15 #endif
16 
17 int smpboot_create_threads(unsigned int cpu);
18 int smpboot_park_threads(unsigned int cpu);
19 int smpboot_unpark_threads(unsigned int cpu);
20 
21 void __init cpuhp_threads_init(void);
22 
23 #endif
24