From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Gautham R Shenoy <ego@in.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] cpu hotplug: remove unused cpuhotplug_mutex_lock()
Date: Fri, 06 Feb 2009 14:39:17 +0800 [thread overview]
Message-ID: <498BDB15.6050609@cn.fujitsu.com> (raw)
cpuhotplug_mutex_lock() is not used. this patch remove it.
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)
next reply other threads:[~2009-02-06 6:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-06 6:39 Lai Jiangshan [this message]
2009-02-09 17:02 ` [PATCH] cpu hotplug: remove unused cpuhotplug_mutex_lock() Gautham R Shenoy
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