linux-kernel - [PATCH 5/8] timers/nohz: Remove middle-function __tick_nohz_idle_stop

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Date:   Wed, 22 Feb 2023 15:46:46 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Wei Li <liwei391@...wei.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mirsad Goran Todorovac <mirsad.todorovac@....unizg.hr>,
        Yu Liao <liaoyu15@...wei.com>, Hillf Danton <hdanton@...a.com>,
        Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 5/8] timers/nohz: Remove middle-function __tick_nohz_idle_stop_tick()

There is no need for the __tick_nohz_idle_stop_tick() function between
tick_nohz_idle_stop_tick() and its implementation. Remove that
unnecessary step.

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Hillf Danton <hdanton@...a.com>
Cc: Yu Liao <liaoyu15@...wei.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Wei Li <liwei391@...wei.com>
Cc: Alexey Dobriyan <adobriyan@...il.com>
Cc: Mirsad Goran Todorovac <mirsad.todorovac@....unizg.hr>
Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 kernel/time/tick-sched.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index edd6e9f26d16..3b53b894ca98 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1079,10 +1079,16 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
 	return true;
 }
 
-static void __tick_nohz_idle_stop_tick(struct tick_sched *ts)
+/**
+ * tick_nohz_idle_stop_tick - stop the idle tick from the idle task
+ *
+ * When the next event is more than a tick into the future, stop the idle tick
+ */
+void tick_nohz_idle_stop_tick(void)
 {
+	struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
+	int cpu = smp_processor_id();
 	ktime_t expires;
-	int cpu = smp_processor_id();
 
 	/*
 	 * If tick_nohz_get_sleep_length() ran tick_nohz_next_event(), the
@@ -1114,16 +1120,6 @@ static void __tick_nohz_idle_stop_tick(struct tick_sched *ts)
 	}
 }
 
-/**
- * tick_nohz_idle_stop_tick - stop the idle tick from the idle task
- *
- * When the next event is more than a tick into the future, stop the idle tick
- */
-void tick_nohz_idle_stop_tick(void)
-{
-	__tick_nohz_idle_stop_tick(this_cpu_ptr(&tick_cpu_sched));
-}
-
 void tick_nohz_idle_retain_tick(void)
 {
 	tick_nohz_retain_tick(this_cpu_ptr(&tick_cpu_sched));
-- 
2.34.1