The following commit has been merged into the timers/cleanups branch of tip:
Commit-ID: ee13da875b8a4636198538dbe2e8037574e7a98e
Gitweb: https://git.kernel.org/tip/ee13da875b8a4636198538dbe2e8037574e7a98e
Author: Nam Cao <namcao@xxxxxxxxxxxxx>
AuthorDate: Wed, 05 Feb 2025 11:38:57 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 18 Feb 2025 10:32:32 +01:00
sched: Switch to use hrtimer_setup()
hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.
Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.
Signed-off-by: Nam Cao <namcao@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/a55e849cba3c41b4c5708be6ea6be6f337d1a8fb.1738746821.git.namcao@xxxxxxxxxxxxx
---
kernel/sched/core.c | 3 +--
kernel/sched/deadline.c | 6 ++----
kernel/sched/fair.c | 8 ++++----
kernel/sched/rt.c | 5 ++---
4 files changed, 9 insertions(+), 13 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9aecd91..6469755 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -916,8 +916,7 @@ static void hrtick_rq_init(struct rq *rq)
#ifdef CONFIG_SMP
INIT_CSD(&rq->hrtick_csd, __hrtick_start, rq);
#endif
- hrtimer_init(&rq->hrtick_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
- rq->hrtick_timer.function = hrtick;
+ hrtimer_setup(&rq->hrtick_timer, hrtick, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
}
#else /* CONFIG_SCHED_HRTICK */
static inline void hrtick_clear(struct rq *rq)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 38e4537..2d0f571 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1382,8 +1382,7 @@ static void init_dl_task_timer(struct sched_dl_entity *dl_se)
{
struct hrtimer *timer = &dl_se->dl_timer;
- hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
- timer->function = dl_task_timer;
+ hrtimer_setup(timer, dl_task_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
}
/*
@@ -1839,8 +1838,7 @@ static void init_dl_inactive_task_timer(struct sched_dl_entity *dl_se)
{
struct hrtimer *timer = &dl_se->inactive_timer;
- hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
- timer->function = inactive_task_timer;
+ hrtimer_setup(timer, inactive_task_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
}
#define __node_2_dle(node) \
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 1c0ef43..88923f1 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6539,14 +6539,14 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b, struct cfs_bandwidth *paren
cfs_b->hierarchical_quota = parent ? parent->hierarchical_quota : RUNTIME_INF;
INIT_LIST_HEAD(&cfs_b->throttled_cfs_rq);
- hrtimer_init(&cfs_b->period_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
- cfs_b->period_timer.function = sched_cfs_period_timer;
+ hrtimer_setup(&cfs_b->period_timer, sched_cfs_period_timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_ABS_PINNED);
/* Add a random offset so that timers interleave */
hrtimer_set_expires(&cfs_b->period_timer,
get_random_u32_below(cfs_b->period));
- hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- cfs_b->slack_timer.function = sched_cfs_slack_timer;
+ hrtimer_setup(&cfs_b->slack_timer, sched_cfs_slack_timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL);
cfs_b->slack_started = false;
}
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 4b8e33c..7a9ed4d 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -127,9 +127,8 @@ void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime)
raw_spin_lock_init(&rt_b->rt_runtime_lock);
- hrtimer_init(&rt_b->rt_period_timer, CLOCK_MONOTONIC,
- HRTIMER_MODE_REL_HARD);
- rt_b->rt_period_timer.function = sched_rt_period_timer;
+ hrtimer_setup(&rt_b->rt_period_timer, sched_rt_period_timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL_HARD);
}
static inline void do_start_rt_bandwidth(struct rt_bandwidth *rt_b)
|