diff options
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 03e962e23eaf..81887120395c 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -115,26 +115,46 @@ enum { { .notifier_call = fn, .priority = pri }; \ register_cpu_notifier(&fn##_nb); \ } + +#define __cpu_notifier(fn, pri) { \ + static struct notifier_block fn##_nb = \ + { .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 static inline int register_cpu_notifier(struct notifier_block *nb) { return 0; } + +static inline int __register_cpu_notifier(struct notifier_block *nb) +{ + return 0; +} #endif static inline void unregister_cpu_notifier(struct notifier_block *nb) { } + +static inline void __unregister_cpu_notifier(struct notifier_block *nb) +{ +} #endif int cpu_up(unsigned int cpu); @@ -142,19 +162,32 @@ void notify_cpu_starting(unsigned int cpu); extern void cpu_maps_update_begin(void); extern void cpu_maps_update_done(void); +#define cpu_notifier_register_begin cpu_maps_update_begin +#define cpu_notifier_register_done cpu_maps_update_done + #else /* CONFIG_SMP */ #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; } +static inline int __register_cpu_notifier(struct notifier_block *nb) +{ + return 0; +} + static inline void unregister_cpu_notifier(struct notifier_block *nb) { } +static inline void __unregister_cpu_notifier(struct notifier_block *nb) +{ +} + static inline void cpu_maps_update_begin(void) { } @@ -163,6 +196,14 @@ static inline void cpu_maps_update_done(void) { } +static inline void cpu_notifier_register_begin(void) +{ +} + +static inline void cpu_notifier_register_done(void) +{ +} + #endif /* CONFIG_SMP */ extern struct bus_type cpu_subsys; @@ -176,8 +217,11 @@ extern void put_online_cpus(void); extern void cpu_hotplug_disable(void); extern void cpu_hotplug_enable(void); #define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri) +#define __hotcpu_notifier(fn, pri) __cpu_notifier(fn, pri) #define register_hotcpu_notifier(nb) register_cpu_notifier(nb) +#define __register_hotcpu_notifier(nb) __register_cpu_notifier(nb) #define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb) +#define __unregister_hotcpu_notifier(nb) __unregister_cpu_notifier(nb) void clear_tasks_mm_cpumask(int cpu); int cpu_down(unsigned int cpu); @@ -190,9 +234,12 @@ static inline void cpu_hotplug_done(void) {} #define cpu_hotplug_disable() do { } while (0) #define cpu_hotplug_enable() do { } while (0) #define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) +#define __hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) /* These aren't inline functions due to a GCC bug. */ #define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) +#define __register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) #define unregister_hotcpu_notifier(nb) ({ (void)(nb); }) +#define __unregister_hotcpu_notifier(nb) ({ (void)(nb); }) #endif /* CONFIG_HOTPLUG_CPU */ #ifdef CONFIG_PM_SLEEP_SMP |