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

From: Frederic Weisbecker
Date: Fri Jul 14 2023 - 08:09:08 EST


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@xxxxxxxxxx>
---
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