linux-kernel - [PATCH v2 22/45] misc: vcpu_stall_detector: Switch to use hrtimer

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Message-Id: <a1c984288c6e47d956c07339ced486a8ec95f8d5.1738746904.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:46:10 +0100
From: Nam Cao <namcao@...utronix.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	Zack Rusin <zack.rusin@...adcom.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH v2 22/45] misc: vcpu_stall_detector: 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.

Acked-by: Zack Rusin <zack.rusin@...adcom.com>
Signed-off-by: Nam Cao <namcao@...utronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/misc/vcpu_stall_detector.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/misc/vcpu_stall_detector.c b/drivers/misc/vcpu_stall_detector.c
index f0b1fc87490e..26166357b255 100644
--- a/drivers/misc/vcpu_stall_detector.c
+++ b/drivers/misc/vcpu_stall_detector.c
@@ -111,8 +111,7 @@ static int start_stall_detector_cpu(unsigned int cpu)
 	ping_timeout_ms = vcpu_stall_config.stall_timeout_sec *
 			  MSEC_PER_SEC / 2;
 
-	hrtimer_init(vcpu_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	vcpu_hrtimer->function = vcpu_stall_detect_timer_fn;
+	hrtimer_setup(vcpu_hrtimer, vcpu_stall_detect_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	vcpu_stall_detector->is_initialized = true;
 
 	hrtimer_start(vcpu_hrtimer, ms_to_ktime(ping_timeout_ms),
-- 
2.39.5