linux-kernel - [tip: timers/core] sched/idle: Switch to use hrtimer_setup_on

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Message-ID: <173094477681.32228.9615470049280135388.tip-bot2@tip-bot2>
Date: Thu, 07 Nov 2024 01:59:36 -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/core] sched/idle: Switch to use hrtimer_setup_on_stack()

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

Commit-ID:     46d076af6d640774a7a8bd6ebf130c22913d3bdb
Gitweb:        https://git.kernel.org/tip/46d076af6d640774a7a8bd6ebf130c22913d3bdb
Author:        Nam Cao <namcao@...utronix.de>
AuthorDate:    Thu, 31 Oct 2024 16:14:30 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 07 Nov 2024 02:47:06 +01:00

sched/idle: Switch to use hrtimer_setup_on_stack()

hrtimer_setup_on_stack() takes the callback function pointer as argument
and initializes the timer completely.

Replace hrtimer_init_on_stack() and the open coded initialization of
hrtimer::function with the new setup mechanism.

The conversion was done with Coccinelle.

Signed-off-by: Nam Cao <namcao@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/17f9421fed6061df4ad26a4cc91873d2c078cb0f.1730386209.git.namcao@linutronix.de

---
 kernel/sched/idle.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index d2f096b..631e428 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -399,8 +399,8 @@ void play_idle_precise(u64 duration_ns, u64 latency_ns)
 	cpuidle_use_deepest_state(latency_ns);
 
 	it.done = 0;
-	hrtimer_init_on_stack(&it.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
-	it.timer.function = idle_inject_timer_fn;
+	hrtimer_setup_on_stack(&it.timer, idle_inject_timer_fn, CLOCK_MONOTONIC,
+			       HRTIMER_MODE_REL_HARD);
 	hrtimer_start(&it.timer, ns_to_ktime(duration_ns),
 		      HRTIMER_MODE_REL_PINNED_HARD);