[PATCH 3/4] cpu: export cpu hotplug disable/enable functions as global functions
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STALE5180d
From: Zhao Chenhui <hidden>
Date: 2012-08-07 08:41:38
Also in:
lkml
Subsystem:
cpu hotplug, the rest · Maintainers:
Thomas Gleixner, Peter Zijlstra, Linus Torvalds
The cpufreq driver of mpc85xx will disable/enable cpu hotplug temporarily. Therefore, the related functions should be exported. Signed-off-by: Zhao Chenhui <redacted> --- include/linux/cpu.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index ce7a074..df8f73d 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h@@ -146,6 +146,8 @@ void notify_cpu_starting(unsigned int cpu); extern void cpu_maps_update_begin(void); extern void cpu_maps_update_done(void); +extern void cpu_hotplug_disable_before_freeze(void); +extern void cpu_hotplug_enable_after_thaw(void); #else /* CONFIG_SMP */ #define cpu_notifier(fn, pri) do { (void)(fn); } while (0)
@@ -167,6 +169,8 @@ static inline void cpu_maps_update_done(void) { } +static inline void cpu_hotplug_disable_before_freeze(void) {} +static inline void cpu_hotplug_enable_after_thaw(void) {} #endif /* CONFIG_SMP */ extern struct bus_type cpu_subsys;
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1.6.4.1