linux-kernel - [PATCH 06/15] tick: No need to clear ts->next

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Date: Wed, 24 Jan 2024 18:04:50 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Peng Liu <liupeng17@...ovo.com>,
	Joel Fernandes <joel@...lfernandes.org>
Subject: [PATCH 06/15] tick: No need to clear ts->next_tick again

The tick sched structure is already cleared from
tick_cancel_sched_timer(), so there is no need to clear that field
again.

Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 kernel/time/tick-sched.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 4089bd274d8e..e8e3b5d447e9 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1101,11 +1101,6 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
 	if (unlikely(!cpu_online(cpu))) {
 		if (cpu == tick_do_timer_cpu)
 			tick_do_timer_cpu = TICK_DO_TIMER_NONE;
-		/*
-		 * Make sure the CPU doesn't get fooled by obsolete tick
-		 * deadline if it comes back online later.
-		 */
-		ts->next_tick = 0;
 		return false;
 	}
 
-- 
2.43.0