tick/nohz: Rename the tick handlers to more self-explanatory names

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

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230912104406.312185-2-frederic@kernel.org

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 87015e9deacc99942486b533729ab470138cf375..b66dd0ff11532e7bd27b4688a3ed74f552aabe8a 100644 (file)
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1366,7 +1366,7 @@ 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_nohz_lowres_handler(struct clock_event_device *dev)
 {
        struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
        struct pt_regs *regs = get_irq_regs();
@@ -1412,7 +1412,7 @@ 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_nohz_lowres_handler))
                return;
 
        /*
@@ -1475,7 +1475,7 @@ 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_nohz_highres_handler(struct hrtimer *timer)
 {
        struct tick_sched *ts =
                container_of(timer, struct tick_sched, sched_timer);
@@ -1524,7 +1524,7 @@ 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_nohz_highres_handler;
 
        /* Get the next period (per-CPU) */
        hrtimer_set_expires(&ts->sched_timer, tick_init_jiffy_update());