linux-kernel - [PATCH 1/3] tick/nohz: Rename the tick handlers to more self-explanatory names

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Date:   Fri, 14 Jul 2023 14:08:50 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <frederic@...nel.org>
Subject: [PATCH 1/3] tick/nohz: Rename the tick handlers to more self-explanatory names

The current name of the tick handlers don't tell much about what differ
between them. Use names that better reflect their role and resolution.

Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 kernel/time/tick-sched.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 89055050d1ac..a7b5960258f2 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1355,7 +1355,7 @@ void tick_nohz_idle_exit(void)
 /*
  * The nohz low res interrupt handler
  */
-static void tick_nohz_handler(struct clock_event_device *dev)
+static void tick_lowres_handler(struct clock_event_device *dev)
 {
 	struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
 	struct pt_regs *regs = get_irq_regs();
@@ -1401,7 +1401,7 @@ static void tick_nohz_switch_to_nohz(void)
 	if (!tick_nohz_enabled)
 		return;
 
-	if (tick_switch_to_oneshot(tick_nohz_handler))
+	if (tick_switch_to_oneshot(tick_lowres_handler))
 		return;
 
 	/*
@@ -1464,7 +1464,7 @@ void tick_irq_enter(void)
  * We rearm the timer until we get disabled by the idle code.
  * Called with interrupts disabled.
  */
-static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer)
+static enum hrtimer_restart tick_highres_handler(struct hrtimer *timer)
 {
 	struct tick_sched *ts =
 		container_of(timer, struct tick_sched, sched_timer);
@@ -1513,7 +1513,7 @@ void tick_setup_sched_timer(void)
 	 * Emulate tick processing via per-CPU hrtimers:
 	 */
 	hrtimer_init(&ts->sched_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD);
-	ts->sched_timer.function = tick_sched_timer;
+	ts->sched_timer.function = tick_highres_handler;
 
 	/* Get the next period (per-CPU) */
 	hrtimer_set_expires(&ts->sched_timer, tick_init_jiffy_update());
-- 
2.34.1