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-rw-r--r--include/linux/cpu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index c6f6e0839b61..9f3c7e81270a 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -175,6 +175,8 @@ extern struct bus_type cpu_subsys;
175 175
176extern void get_online_cpus(void); 176extern void get_online_cpus(void);
177extern void put_online_cpus(void); 177extern void put_online_cpus(void);
178extern void cpu_hotplug_disable(void);
179extern void cpu_hotplug_enable(void);
178#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri) 180#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri)
179#define register_hotcpu_notifier(nb) register_cpu_notifier(nb) 181#define register_hotcpu_notifier(nb) register_cpu_notifier(nb)
180#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb) 182#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
@@ -198,6 +200,8 @@ static inline void cpu_hotplug_driver_unlock(void)
198 200
199#define get_online_cpus() do { } while (0) 201#define get_online_cpus() do { } while (0)
200#define put_online_cpus() do { } while (0) 202#define put_online_cpus() do { } while (0)
203#define cpu_hotplug_disable() do { } while (0)
204#define cpu_hotplug_enable() do { } while (0)
201#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) 205#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
202/* These aren't inline functions due to a GCC bug. */ 206/* These aren't inline functions due to a GCC bug. */
203#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) 207#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; })