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Commit 40e8a10d authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Linus Torvalds
Browse files

cpu hotplug: remove unused cpuhotplug_mutex_lock() 



cpuhotplug_mutex_lock() is not used, remove it.

Signed-off-by: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: default avatarGautham R Shenoy <ego@in.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2355b70f

include/linux/cpu.h

+0 −16
Original line number Original line Diff line number Diff line
@@ -23,7 +23,6 @@ 
#include <linux/node.h>

#include <linux/node.h>

#include <linux/compiler.h>

#include <linux/compiler.h>

#include <linux/cpumask.h>

#include <linux/cpumask.h>

#include <linux/mutex.h>





struct cpu {

struct cpu {

	int node_id;		/* The node which contains the 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

#ifdef CONFIG_HOTPLUG_CPU

/* Stop CPUs going up and down. */

/* 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 get_online_cpus(void);

extern void put_online_cpus(void);

extern void put_online_cpus(void);

#define hotcpu_notifier(fn, pri) {				\

#define hotcpu_notifier(fn, pri) {				\
@@ -126,11 +115,6 @@ int cpu_down(unsigned int cpu); 




#else		/* CONFIG_HOTPLUG_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 get_online_cpus()	do { } while (0)

#define put_online_cpus()	do { } while (0)

#define put_online_cpus()	do { } while (0)

#define hotcpu_notifier(fn, pri)	do { (void)(fn); } while (0)

#define hotcpu_notifier(fn, pri)	do { (void)(fn); } while (0)