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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-01-21 00:43:21 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-01-21 00:43:21 +0100
commitf11aef69b235bc30c323776d75ac23b43aac45bb (patch)
treee30232ff6e9249451a414bc3d48c1261a28f7960 /include
parentfa8bb4518771b19460a318fbab3eb36c81db3a50 (diff)
parent5bb1729cbdfbe974ad6385be94b14afbac97e19f (diff)
Merge branch 'pm-cpuidle'
* pm-cpuidle: cpuidle: menu: Avoid pointless checks in menu_select() sched / idle: Drop default_idle_call() fallback from call_cpuidle() cpuidle: Don't enable all governors by default cpuidle: Default to ladder governor on ticking systems time: nohz: Expose tick_nohz_enabled cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
Diffstat (limited to 'include')
-rw-r--r--include/linux/tick.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index e312219ff823..97fd4e543846 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -98,6 +98,7 @@ static inline void tick_broadcast_exit(void)
}
#ifdef CONFIG_NO_HZ_COMMON
+extern int tick_nohz_enabled;
extern int tick_nohz_tick_stopped(void);
extern void tick_nohz_idle_enter(void);
extern void tick_nohz_idle_exit(void);
@@ -106,6 +107,7 @@ extern ktime_t tick_nohz_get_sleep_length(void);
extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
#else /* !CONFIG_NO_HZ_COMMON */
+#define tick_nohz_enabled (0)
static inline int tick_nohz_tick_stopped(void) { return 0; }
static inline void tick_nohz_idle_enter(void) { }
static inline void tick_nohz_idle_exit(void) { }