diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hrtimer.h | 14 | ||||
| -rw-r--r-- | include/linux/interrupt.h | 3 | ||||
| -rw-r--r-- | include/linux/sched.h | 2 |
3 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 1b9a51a1bccb..1f98b52118f0 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -456,12 +456,18 @@ extern u64 hrtimer_next_event_without(const struct hrtimer *exclude); extern bool hrtimer_active(const struct hrtimer *timer); -/* - * Helper function to check, whether the timer is on one of the queues +/** + * hrtimer_is_queued = check, whether the timer is on one of the queues + * @timer: Timer to check + * + * Returns: True if the timer is queued, false otherwise + * + * The function can be used lockless, but it gives only a current snapshot. */ -static inline int hrtimer_is_queued(struct hrtimer *timer) +static inline bool hrtimer_is_queued(struct hrtimer *timer) { - return timer->state & HRTIMER_STATE_ENQUEUED; + /* The READ_ONCE pairs with the update functions of timer->state */ + return !!(READ_ONCE(timer->state) & HRTIMER_STATE_ENQUEUED); } /* diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index ba873ec7e09d..c5fe60ec6b84 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -533,8 +533,7 @@ enum IRQ_POLL_SOFTIRQ, TASKLET_SOFTIRQ, SCHED_SOFTIRQ, - HRTIMER_SOFTIRQ, /* Unused, but kept as tools rely on the - numbering. Sigh! */ + HRTIMER_SOFTIRQ, RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */ NR_SOFTIRQS diff --git a/include/linux/sched.h b/include/linux/sched.h index 07e68d9f5dc4..0cd97d9dd021 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -862,7 +862,7 @@ struct task_struct { u64 start_time; /* Boot based time in nsecs: */ - u64 real_start_time; + u64 start_boottime; /* MM fault and swap info: this can arguably be seen as either mm-specific or thread-specific: */ unsigned long min_flt; |