diff options
Diffstat (limited to 'include/linux/hrtimer.h')
| -rw-r--r-- | include/linux/hrtimer.h | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 62f500c724f..fd0dc30c9f1 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -135,6 +135,7 @@ struct hrtimer_sleeper { * @cpu_base: per cpu clock base * @index: clock type index for per_cpu support when moving a * timer to a base on another cpu. + * @clockid: clock id for per_cpu support * @active: red black tree root node for the active timers * @resolution: the resolution of the clock, in nanoseconds * @get_time: function to retrieve the current time of the clock @@ -143,19 +144,18 @@ struct hrtimer_sleeper { */ struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base; - clockid_t index; + int index; + clockid_t clockid; struct timerqueue_head active; ktime_t resolution; ktime_t (*get_time)(void); ktime_t softirq_time; -#ifdef CONFIG_HIGH_RES_TIMERS ktime_t offset; -#endif }; enum hrtimer_base_type { - HRTIMER_BASE_REALTIME, HRTIMER_BASE_MONOTONIC, + HRTIMER_BASE_REALTIME, HRTIMER_BASE_BOOTTIME, HRTIMER_MAX_CLOCK_BASES, }; @@ -164,7 +164,7 @@ enum hrtimer_base_type { * struct hrtimer_cpu_base - the per cpu clock bases * @lock: lock protecting the base and associated clock bases * and timers - * @clock_base: array of clock bases for this cpu + * @active_bases: Bitfield to mark bases with active timers * @expires_next: absolute time of the next event which was scheduled * via clock_set_next_event() * @hres_active: State of high resolution mode @@ -173,10 +173,11 @@ enum hrtimer_base_type { * @nr_retries: Total number of hrtimer interrupt retries * @nr_hangs: Total number of hrtimer interrupt hangs * @max_hang_time: Maximum time spent in hrtimer_interrupt + * @clock_base: array of clock bases for this cpu */ struct hrtimer_cpu_base { raw_spinlock_t lock; - struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; + unsigned long active_bases; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; @@ -186,6 +187,7 @@ struct hrtimer_cpu_base { unsigned long nr_hangs; ktime_t max_hang_time; #endif + struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; }; static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) @@ -256,8 +258,6 @@ static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer) #ifdef CONFIG_HIGH_RES_TIMERS struct clock_event_device; -extern void clock_was_set(void); -extern void hres_timers_resume(void); extern void hrtimer_interrupt(struct clock_event_device *dev); /* @@ -291,16 +291,8 @@ extern void hrtimer_peek_ahead_timers(void); # define MONOTONIC_RES_NSEC LOW_RES_NSEC # define KTIME_MONOTONIC_RES KTIME_LOW_RES -/* - * clock_was_set() is a NOP for non- high-resolution systems. The - * time-sorted order guarantees that a timer does not expire early and - * is expired in the next softirq when the clock was advanced. - */ -static inline void clock_was_set(void) { } static inline void hrtimer_peek_ahead_timers(void) { } -static inline void hres_timers_resume(void) { } - /* * In non high resolution mode the time reference is taken from * the base softirq time variable. @@ -316,10 +308,18 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer) } #endif +extern void clock_was_set(void); +#ifdef CONFIG_TIMERFD +extern void timerfd_clock_was_set(void); +#else +static inline void timerfd_clock_was_set(void) { } +#endif +extern void hrtimers_resume(void); + extern ktime_t ktime_get(void); extern ktime_t ktime_get_real(void); extern ktime_t ktime_get_boottime(void); - +extern ktime_t ktime_get_monotonic_offset(void); DECLARE_PER_CPU(struct tick_device, tick_cpu_device); |