time: nohz: Expose tick_nohz_enabled
The cpuidle subsystem needs it. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -98,6 +98,7 @@ static inline void tick_broadcast_exit(void)
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}
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}
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#ifdef CONFIG_NO_HZ_COMMON
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#ifdef CONFIG_NO_HZ_COMMON
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extern int tick_nohz_enabled;
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extern int tick_nohz_tick_stopped(void);
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extern int tick_nohz_tick_stopped(void);
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extern void tick_nohz_idle_enter(void);
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extern void tick_nohz_idle_enter(void);
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extern void tick_nohz_idle_exit(void);
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extern void tick_nohz_idle_exit(void);
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@ -106,6 +107,7 @@ extern ktime_t tick_nohz_get_sleep_length(void);
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extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
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extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
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extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
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extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
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#else /* !CONFIG_NO_HZ_COMMON */
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#else /* !CONFIG_NO_HZ_COMMON */
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#define tick_nohz_enabled (0)
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static inline int tick_nohz_tick_stopped(void) { return 0; }
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static inline int tick_nohz_tick_stopped(void) { return 0; }
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static inline void tick_nohz_idle_enter(void) { }
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static inline void tick_nohz_idle_enter(void) { }
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static inline void tick_nohz_idle_exit(void) { }
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static inline void tick_nohz_idle_exit(void) { }
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@ -387,7 +387,7 @@ void __init tick_nohz_init(void)
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/*
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/*
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* NO HZ enabled ?
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* NO HZ enabled ?
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*/
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*/
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static int tick_nohz_enabled __read_mostly = 1;
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int tick_nohz_enabled __read_mostly = 1;
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unsigned long tick_nohz_active __read_mostly;
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unsigned long tick_nohz_active __read_mostly;
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/*
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/*
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* Enable / Disable tickless mode
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* Enable / Disable tickless mode
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