linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / linux / cpu.h

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 3fef7d6..d612b89 100644 (file)
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -31,23 +31,18 @@ struct cpu {
        struct sys_device sysdev;
 };
 
-extern int register_cpu(struct cpu *cpu, int num);
+extern int register_cpu(struct cpu *, int, struct node *);
 extern struct sys_device *get_cpu_sysdev(unsigned cpu);
 #ifdef CONFIG_HOTPLUG_CPU
-extern void unregister_cpu(struct cpu *cpu);
+extern void unregister_cpu(struct cpu *, struct node *);
 #endif
 struct notifier_block;
 
 #ifdef CONFIG_SMP
 /* Need to know about CPUs going up/down? */
 extern int register_cpu_notifier(struct notifier_block *nb);
-#ifdef CONFIG_HOTPLUG_CPU
 extern void unregister_cpu_notifier(struct notifier_block *nb);
-#else
-static inline void unregister_cpu_notifier(struct notifier_block *nb)
-{
-}
-#endif
+extern int current_in_cpu_hotplug(void);
 
 int cpu_up(unsigned int cpu);
 
@@ -60,6 +55,10 @@ static inline int register_cpu_notifier(struct notifier_block *nb)
 static inline void unregister_cpu_notifier(struct notifier_block *nb)
 {
 }
+static inline int current_in_cpu_hotplug(void)
+{
+       return 0;
+}
 
 #endif /* CONFIG_SMP */
 extern struct sysdev_class cpu_sysdev_class;
@@ -68,33 +67,23 @@ extern struct sysdev_class cpu_sysdev_class;
 /* Stop CPUs going up and down. */
 extern void lock_cpu_hotplug(void);
 extern void unlock_cpu_hotplug(void);
+extern int lock_cpu_hotplug_interruptible(void);
 #define hotcpu_notifier(fn, pri) {                             \
        static struct notifier_block fn##_nb =                  \
                { .notifier_call = fn, .priority = pri };       \
        register_cpu_notifier(&fn##_nb);                        \
 }
-#define register_hotcpu_notifier(nb)   register_cpu_notifier(nb)
-#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
 int cpu_down(unsigned int cpu);
+extern int __attribute__((weak)) smp_prepare_cpu(int cpu);
 #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
 #else
 #define lock_cpu_hotplug()     do { } while (0)
 #define unlock_cpu_hotplug()   do { } while (0)
 #define lock_cpu_hotplug_interruptible() 0
-#define hotcpu_notifier(fn, pri)       do { } while (0)
-#define register_hotcpu_notifier(nb)   do { } while (0)
-#define unregister_hotcpu_notifier(nb) do { } while (0)
+#define hotcpu_notifier(fn, pri)
 
 /* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */
 static inline int cpu_is_offline(int cpu) { return 0; }
 #endif
 
-#ifdef CONFIG_SUSPEND_SMP
-extern int disable_nonboot_cpus(void);
-extern void enable_nonboot_cpus(void);
-#else
-static inline int disable_nonboot_cpus(void) { return 0; }
-static inline void enable_nonboot_cpus(void) {}
-#endif
-
 #endif /* _LINUX_CPU_H_ */