linux-kernel - [tip: timers/cleanups] tracing/osnoise: Switch to use hrtimer

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Message-ID: <173987199076.10177.13770385401042617924.tip-bot2@tip-bot2>
Date: Tue, 18 Feb 2025 09:46:30 -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>,
 "Steven Rostedt (Google)" <rostedt@...dmis.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: timers/cleanups] tracing/osnoise: Switch to use hrtimer_setup()

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

Commit-ID:     19fec9c4434f86bce6b7227ee70b8d9a2b3c9035
Gitweb:        https://git.kernel.org/tip/19fec9c4434f86bce6b7227ee70b8d9a2b3c9035
Author:        Nam Cao <namcao@...utronix.de>
AuthorDate:    Wed, 05 Feb 2025 11:39:08 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 18 Feb 2025 10:32:33 +01:00

tracing/osnoise: 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>
Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Link: https://lore.kernel.org/all/ff8e6e11df5f928b2b97619ac847b4fa045376a1.1738746821.git.namcao@linutronix.de

---
 kernel/trace/trace_osnoise.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index f3a2722..1599953 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1901,8 +1901,7 @@ static int timerlat_main(void *data)
 	tlat->count = 0;
 	tlat->tracing_thread = false;
 
-	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
-	tlat->timer.function = timerlat_irq;
+	hrtimer_setup(&tlat->timer, timerlat_irq, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
 	tlat->kthread = current;
 	osn_var->pid = current->pid;
 	/*
@@ -2456,8 +2455,7 @@ static int timerlat_fd_open(struct inode *inode, struct file *file)
 	tlat = this_cpu_tmr_var();
 	tlat->count = 0;
 
-	hrtimer_init(&tlat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
-	tlat->timer.function = timerlat_irq;
+	hrtimer_setup(&tlat->timer, timerlat_irq, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
 
 	migrate_enable();
 	return 0;