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SubjectRe: [PATCH] cpu hotplug: remove unused cpuhotplug_mutex_lock()
Hi Lai,

On Fri, Feb 06, 2009 at 02:39:17PM +0800, Lai Jiangshan wrote:
>
> cpuhotplug_mutex_lock() is not used. this patch remove it.

This should have been long gone with get_online_cpus()/put_online_cpus()
patch series. My bad, I missed it.

Thanks for the patch.
Acked-by: Gautham R Shenoy <ego@in.ibm.com>
>
> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
> ---
> cpu.h | 16 ----------------
> 1 file changed, 16 deletions(-)
> diff --git a/include/linux/cpu.h b/include/linux/cpu.h
> index c2747ac..2643d84 100644
> --- a/include/linux/cpu.h
> +++ b/include/linux/cpu.h
> @@ -23,7 +23,6 @@
> #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 */
> @@ -103,16 +102,6 @@ extern struct sysdev_class cpu_sysdev_class;
> #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) { \
> @@ -126,11 +115,6 @@ int cpu_down(unsigned int cpu);
>
> #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)
>

--
Thanks and Regards
gautham


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