diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-01-06 10:35:33 +0100 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-01-06 10:35:33 +0100 |
| commit | 22164fbe274c2dd96d2887fe121896d321000a61 (patch) | |
| tree | 629a8af05ecbe3ed8e18938de2564517c9b44d92 /include/linux/hrtimer.h | |
| parent | 3d0dad869aeb5d8e81985c73a6c73428258f8083 (diff) | |
| parent | f5c547efa16c0ea5abff0596e829f502be11902e (diff) | |
Merge drm/drm-next into drm-misc-next
Requested, and we need v5.5-rc1 backported as our current branch is still based on v5.4.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/linux/hrtimer.h')
| -rw-r--r-- | include/linux/hrtimer.h | 14 |
1 files changed, 10 insertions, 4 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); } /* |
