X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fhrtimer.h;h=6d93dce61cbbc25c8b17d2f8f8c5c9d0e864ee9f;hb=2a5f2e3e6cd1ce9fb3f8b186b6bc9aa1f1497a92;hp=203591e23210ce873c3c66bdb03c148c048049ad;hpb=c00f08d705e149fbfaf7a252b4d4fbb7affdcc96;p=linux-2.6 diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 203591e232..6d93dce61c 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -78,7 +78,7 @@ enum hrtimer_cb_mode { * as otherwise the timer could be removed before the softirq code finishes the * the handling of the timer. * - * The HRTIMER_STATE_ENQUEUE bit is always or'ed to the current state to + * The HRTIMER_STATE_ENQUEUED bit is always or'ed to the current state to * preserve the HRTIMER_STATE_CALLBACK bit in the above scenario. * * All state transitions are protected by cpu_base->lock. @@ -173,7 +173,6 @@ struct hrtimer_clock_base { * struct hrtimer_cpu_base - the per cpu clock bases * @lock: lock protecting the base and associated clock bases * and timers - * @lock_key: the lock_class_key for use with lockdep * @clock_base: array of clock bases for this cpu * @curr_timer: the timer which is executing a callback right now * @expires_next: absolute time of the next event which was scheduled @@ -189,7 +188,6 @@ struct hrtimer_clock_base { */ struct hrtimer_cpu_base { spinlock_t lock; - struct lock_class_key lock_key; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; struct list_head cb_pending; #ifdef CONFIG_HIGH_RES_TIMERS @@ -268,6 +266,21 @@ extern ktime_t ktime_get_real(void); extern void hrtimer_init(struct hrtimer *timer, clockid_t which_clock, enum hrtimer_mode mode); +#ifdef CONFIG_DEBUG_OBJECTS_TIMERS +extern void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t which_clock, + enum hrtimer_mode mode); + +extern void destroy_hrtimer_on_stack(struct hrtimer *timer); +#else +static inline void hrtimer_init_on_stack(struct hrtimer *timer, + clockid_t which_clock, + enum hrtimer_mode mode) +{ + hrtimer_init(timer, which_clock, mode); +} +static inline void destroy_hrtimer_on_stack(struct hrtimer *timer) { } +#endif + /* Basic timer operations: */ extern int hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode); @@ -303,6 +316,15 @@ static inline int hrtimer_is_queued(struct hrtimer *timer) (HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING); } +/* + * Helper function to check, whether the timer is running the callback + * function + */ +static inline int hrtimer_callback_running(struct hrtimer *timer) +{ + return timer->state & HRTIMER_STATE_CALLBACK; +} + /* Forward a hrtimer so it expires after now: */ extern u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval); @@ -316,7 +338,7 @@ static inline u64 hrtimer_forward_now(struct hrtimer *timer, /* Precise sleep: */ extern long hrtimer_nanosleep(struct timespec *rqtp, - struct timespec *rmtp, + struct timespec __user *rmtp, const enum hrtimer_mode mode, const clockid_t clockid); extern long hrtimer_nanosleep_restart(struct restart_block *restart_block);