#include <linux/node.h>
#include <linux/compiler.h>
#include <linux/cpumask.h>
-#include <linux/mutex.h>
struct cpu {
int node_id; /* The node which contains the CPU */
#endif
int cpu_up(unsigned int cpu);
+void notify_cpu_starting(unsigned int cpu);
+extern void cpu_maps_update_begin(void);
+extern void cpu_maps_update_done(void);
-extern void cpu_hotplug_init(void);
-
-#else
+#else /* CONFIG_SMP */
static inline int register_cpu_notifier(struct notifier_block *nb)
{
{
}
-static inline void cpu_hotplug_init(void)
+static inline void cpu_maps_update_begin(void)
+{
+}
+
+static inline void cpu_maps_update_done(void)
{
}
#endif /* CONFIG_SMP */
extern struct sysdev_class cpu_sysdev_class;
-extern void cpu_maps_update_begin(void);
-extern void cpu_maps_update_done(void);
#ifdef CONFIG_HOTPLUG_CPU
/* Stop CPUs going up and down. */
-static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex)
-{
- mutex_lock(cpu_hp_mutex);
-}
-
-static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex)
-{
- mutex_unlock(cpu_hp_mutex);
-}
-
extern void get_online_cpus(void);
extern void put_online_cpus(void);
#define hotcpu_notifier(fn, pri) { \
- static struct notifier_block fn##_nb = \
+ static struct notifier_block fn##_nb __cpuinitdata = \
{ .notifier_call = fn, .priority = pri }; \
register_cpu_notifier(&fn##_nb); \
}
#else /* CONFIG_HOTPLUG_CPU */
-static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex)
-{ }
-static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex)
-{ }
-
#define get_online_cpus() do { } while (0)
#define put_online_cpus() do { } while (0)
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)