diff options
| author | John Stultz <john.stultz@linaro.org> | 2013-09-26 12:05:54 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-09-26 12:05:54 -0700 |
| commit | 17deb9c2db01c7813611291d251d8c7dbdfd3c9d (patch) | |
| tree | 6e023c0be7c64de84dd51a671eb09c5c82b56615 /include/linux/tick.h | |
| parent | f4e6e1ea19737077d958f2bc6c196eb579d97544 (diff) | |
| parent | 389e067032fbb96e439abafae848dd447e4cafb4 (diff) | |
Merge remote-tracking branch 'tip/timers/core' into fordlezcano/3.13/sched-clock64-conversion
Update to tip/timers/core and resolve minor conflict.
Conflicts:
drivers/clocksource/samsung_pwm_timer.c
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/tick.h')
| -rw-r--r-- | include/linux/tick.h | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h index 9180f4b85e6d..5128d33bbb39 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -10,6 +10,8 @@ #include <linux/irqflags.h> #include <linux/percpu.h> #include <linux/hrtimer.h> +#include <linux/context_tracking_state.h> +#include <linux/cpumask.h> #ifdef CONFIG_GENERIC_CLOCKEVENTS @@ -158,26 +160,51 @@ static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; } # endif /* !CONFIG_NO_HZ_COMMON */ #ifdef CONFIG_NO_HZ_FULL +extern bool tick_nohz_full_running; +extern cpumask_var_t tick_nohz_full_mask; + +static inline bool tick_nohz_full_enabled(void) +{ + if (!static_key_false(&context_tracking_enabled)) + return false; + + return tick_nohz_full_running; +} + +static inline bool tick_nohz_full_cpu(int cpu) +{ + if (!tick_nohz_full_enabled()) + return false; + + return cpumask_test_cpu(cpu, tick_nohz_full_mask); +} + extern void tick_nohz_init(void); -extern int tick_nohz_full_cpu(int cpu); -extern void tick_nohz_full_check(void); +extern void __tick_nohz_full_check(void); extern void tick_nohz_full_kick(void); extern void tick_nohz_full_kick_all(void); -extern void tick_nohz_task_switch(struct task_struct *tsk); +extern void __tick_nohz_task_switch(struct task_struct *tsk); #else static inline void tick_nohz_init(void) { } -static inline int tick_nohz_full_cpu(int cpu) { return 0; } -static inline void tick_nohz_full_check(void) { } +static inline bool tick_nohz_full_enabled(void) { return false; } +static inline bool tick_nohz_full_cpu(int cpu) { return false; } +static inline void __tick_nohz_full_check(void) { } static inline void tick_nohz_full_kick(void) { } static inline void tick_nohz_full_kick_all(void) { } -static inline void tick_nohz_task_switch(struct task_struct *tsk) { } +static inline void __tick_nohz_task_switch(struct task_struct *tsk) { } #endif +static inline void tick_nohz_full_check(void) +{ + if (tick_nohz_full_enabled()) + __tick_nohz_full_check(); +} + +static inline void tick_nohz_task_switch(struct task_struct *tsk) +{ + if (tick_nohz_full_enabled()) + __tick_nohz_task_switch(tsk); +} -# ifdef CONFIG_CPU_IDLE_GOV_MENU -extern void menu_hrtimer_cancel(void); -# else -static inline void menu_hrtimer_cancel(void) {} -# endif /* CONFIG_CPU_IDLE_GOV_MENU */ #endif |