linux-kernel - [tip: timers/cleanups] net/sched: Switch to use hrtimer

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Message-ID: <173987321435.10177.2405286012826364127.tip-bot2@tip-bot2>
Date: Tue, 18 Feb 2025 10:06:54 -0000
From: "tip-bot2 for Nam Cao" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>, Thomas Gleixner <tglx@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: timers/cleanups] net/sched: Switch to use hrtimer_setup()

The following commit has been merged into the timers/cleanups branch of tip:

Commit-ID:     efcb2d32a8f5afb4173a868a7616db1718641420
Gitweb:        https://git.kernel.org/tip/efcb2d32a8f5afb4173a868a7616db1718641420
Author:        Nam Cao <namcao@...utronix.de>
AuthorDate:    Wed, 05 Feb 2025 11:43:22 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 18 Feb 2025 10:35:44 +01:00

net/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.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/f1d4843589dd924743b35de1f0920c4a4c43be01.1738746872.git.namcao@linutronix.de

---
 net/sched/act_gate.c   | 3 +--
 net/sched/sch_api.c    | 3 +--
 net/sched/sch_taprio.c | 6 ++----
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index 91c0ec7..c1f75f2 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -287,8 +287,7 @@ static void gate_setup_timer(struct tcf_gate *gact, u64 basetime,
 	gact->param.tcfg_basetime = basetime;
 	gact->param.tcfg_clockid = clockid;
 	gact->tk_offset = tko;
-	hrtimer_init(&gact->hitimer, clockid, HRTIMER_MODE_ABS_SOFT);
-	gact->hitimer.function = gate_timer_func;
+	hrtimer_setup(&gact->hitimer, gate_timer_func, clockid, HRTIMER_MODE_ABS_SOFT);
 }
 
 static int tcf_gate_init(struct net *net, struct nlattr *nla,
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e3e91cf..6d85b34 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -619,8 +619,7 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
 void qdisc_watchdog_init_clockid(struct qdisc_watchdog *wd, struct Qdisc *qdisc,
 				 clockid_t clockid)
 {
-	hrtimer_init(&wd->timer, clockid, HRTIMER_MODE_ABS_PINNED);
-	wd->timer.function = qdisc_watchdog;
+	hrtimer_setup(&wd->timer, qdisc_watchdog, clockid, HRTIMER_MODE_ABS_PINNED);
 	wd->qdisc = qdisc;
 }
 EXPORT_SYMBOL(qdisc_watchdog_init_clockid);
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index a68e178..14021b8 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -1932,8 +1932,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
 	if (!TXTIME_ASSIST_IS_ENABLED(q->flags) &&
 	    !FULL_OFFLOAD_IS_ENABLED(q->flags) &&
 	    !hrtimer_active(&q->advance_timer)) {
-		hrtimer_init(&q->advance_timer, q->clockid, HRTIMER_MODE_ABS);
-		q->advance_timer.function = advance_sched;
+		hrtimer_setup(&q->advance_timer, advance_sched, q->clockid, HRTIMER_MODE_ABS);
 	}
 
 	err = taprio_get_start_time(sch, new_admin, &start);
@@ -2056,8 +2055,7 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
 
 	spin_lock_init(&q->current_entry_lock);
 
-	hrtimer_init(&q->advance_timer, CLOCK_TAI, HRTIMER_MODE_ABS);
-	q->advance_timer.function = advance_sched;
+	hrtimer_setup(&q->advance_timer, advance_sched, CLOCK_TAI, HRTIMER_MODE_ABS);
 
 	q->root = sch;