diff options
| author | Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de> | 2026-03-11 11:15:21 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-03-12 12:15:56 +0100 |
| commit | 88c316ff7694ddf55d5a0fe42602ae83bee560aa (patch) | |
| tree | 608e4fa934284debfe3f0c181929b3b6c38303f3 /kernel | |
| parent | f27fc117cf8fba56e0619694e685f9bca9b9cb82 (diff) | |
hrtimer: Add a helper to retrieve a hrtimer from its timerqueue node
The container_of() call is open-coded multiple times.
Add a helper macro.
Use container_of_const() to preserve constness.
Signed-off-by: Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260311-hrtimer-cleanups-v1-12-095357392669@linutronix.de
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/hrtimer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index a71e2caa1402..2db171bae05c 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -534,6 +534,8 @@ static inline void debug_activate(struct hrtimer *timer, enum hrtimer_mode mode, for (bool done = false; !done; active &= ~(1U << idx)) \ for (base = &cpu_base->clock_base[idx]; !done; done = true) +#define hrtimer_from_timerqueue_node(_n) container_of_const(_n, struct hrtimer, node) + #if defined(CONFIG_NO_HZ_COMMON) /* * Same as hrtimer_bases_next_event() below, but skips the excluded timer and @@ -578,7 +580,7 @@ static __always_inline struct hrtimer *clock_base_next_timer(struct hrtimer_cloc { struct timerqueue_linked_node *next = timerqueue_linked_first(&base->active); - return container_of(next, struct hrtimer, node); + return hrtimer_from_timerqueue_node(next); } /* Find the base with the earliest expiry */ @@ -1960,7 +1962,7 @@ static __always_inline struct hrtimer *clock_base_next_timer_safe(struct hrtimer { struct timerqueue_linked_node *next = timerqueue_linked_first(&base->active); - return next ? container_of(next, struct hrtimer, node) : NULL; + return next ? hrtimer_from_timerqueue_node(next) : NULL; } static void __hrtimer_run_queues(struct hrtimer_cpu_base *cpu_base, ktime_t now, @@ -2439,7 +2441,7 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base, struct hrtimer *timer; while ((node = timerqueue_linked_first(&old_base->active))) { - timer = container_of(node, struct hrtimer, node); + timer = hrtimer_from_timerqueue_node(node); BUG_ON(hrtimer_callback_running(timer)); debug_hrtimer_deactivate(timer); |