diff options
| -rw-r--r-- | include/linux/cpu.h | 15 | ||||
| -rw-r--r-- | kernel/cpu.c | 2 |
2 files changed, 5 insertions, 12 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index b886dc17f2f3..e571128ad99a 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -93,22 +93,16 @@ extern bool cpuhp_tasks_frozen; { .notifier_call = fn, .priority = pri }; \ __register_cpu_notifier(&fn##_nb); \ } -#else /* #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */ -#define cpu_notifier(fn, pri) do { (void)(fn); } while (0) -#define __cpu_notifier(fn, pri) do { (void)(fn); } while (0) -#endif /* #else #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */ -#ifdef CONFIG_HOTPLUG_CPU extern int register_cpu_notifier(struct notifier_block *nb); extern int __register_cpu_notifier(struct notifier_block *nb); extern void unregister_cpu_notifier(struct notifier_block *nb); extern void __unregister_cpu_notifier(struct notifier_block *nb); -#else -#ifndef MODULE -extern int register_cpu_notifier(struct notifier_block *nb); -extern int __register_cpu_notifier(struct notifier_block *nb); -#else +#else /* #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */ +#define cpu_notifier(fn, pri) do { (void)(fn); } while (0) +#define __cpu_notifier(fn, pri) do { (void)(fn); } while (0) + static inline int register_cpu_notifier(struct notifier_block *nb) { return 0; @@ -118,7 +112,6 @@ static inline int __register_cpu_notifier(struct notifier_block *nb) { return 0; } -#endif static inline void unregister_cpu_notifier(struct notifier_block *nb) { diff --git a/kernel/cpu.c b/kernel/cpu.c index 29de1a9352c0..217fd2e7f435 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -659,7 +659,6 @@ void __init cpuhp_threads_init(void) kthread_unpark(this_cpu_read(cpuhp_state.thread)); } -#ifdef CONFIG_HOTPLUG_CPU EXPORT_SYMBOL(register_cpu_notifier); EXPORT_SYMBOL(__register_cpu_notifier); void unregister_cpu_notifier(struct notifier_block *nb) @@ -676,6 +675,7 @@ void __unregister_cpu_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(__unregister_cpu_notifier); +#ifdef CONFIG_HOTPLUG_CPU /** * clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU * @cpu: a CPU id |