X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fcpu.h;fp=include%2Flinux%2Fcpu.h;h=3fef7d67aedcdb301fcd00309824605315f37d85;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=08d50c53aab401ef79c20e85213027d854e5d199;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 08d50c53a..3fef7d67a 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -31,18 +31,23 @@ struct cpu {
 	struct sys_device sysdev;
 };
 
-extern int register_cpu(struct cpu *, int, struct node *);
+extern int register_cpu(struct cpu *cpu, int num);
 extern struct sys_device *get_cpu_sysdev(unsigned cpu);
 #ifdef CONFIG_HOTPLUG_CPU
-extern void unregister_cpu(struct cpu *, struct node *);
+extern void unregister_cpu(struct cpu *cpu);
 #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);
-extern int current_in_cpu_hotplug(void);
+#else
+static inline void unregister_cpu_notifier(struct notifier_block *nb)
+{
+}
+#endif
 
 int cpu_up(unsigned int cpu);
 
@@ -55,10 +60,6 @@ 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;
@@ -67,22 +68,33 @@ 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);
 #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)
+#define hotcpu_notifier(fn, pri)	do { } while (0)
+#define register_hotcpu_notifier(nb)	do { } while (0)
+#define unregister_hotcpu_notifier(nb)	do { } while (0)
 
 /* 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_ */