Re: [RFC PATCH 1/3] cpu-hotplug: Refcount Based Cpu Hotplug implementation

[Ingo Molnar <mingo@elte.hu>]

* Ingo Molnar <mingo@elte.hu> wrote:

> FYI, i've put these 3 patches into the scheduler git tree and it's 
> looking very good so far. So unless Andrew or Linus objects to put 
> this into v2.6.24, or there's serious questions during review, could 
> we merge it this way?

i've got this trivial build fix for !SMP - otherwise it's still looking 
good.

	Ingo

------------------>
Subject: cpu hotplug: fix build on !CONFIG_SMP
From: Ingo Molnar <mingo@elte.hu>

fix build on !CONFIG_SMP.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/cpu.h |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Index: linux/include/linux/cpu.h
===================================================================
--- linux.orig/include/linux/cpu.h
+++ linux/include/linux/cpu.h
@@ -71,19 +71,25 @@ static inline void unregister_cpu_notifi
 
 int cpu_up(unsigned int cpu);
 
+extern void cpu_hotplug_init(void);
+
 #else
 
 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 cpu_hotplug_init(void)
+{
+}
+
 #endif /* CONFIG_SMP */
 extern struct sysdev_class cpu_sysdev_class;
-extern void cpu_hotplug_init(void);
 extern void cpu_maps_update_begin(void);
 extern void cpu_maps_update_done(void);