Commit d59e0ba1 authored Oct 09, 2018 by Peng Hao Committed by Thomas Gleixner Oct 10, 2018

tick/sched : Remove redundant cpu_online() check



can_stop_idle_tick() checks cpu_online() twice. The first check leaves the
function when the CPU is not online, so the second check it
redundant. Remove it.

Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: fweisbec@gmail.com
Link: https://lkml.kernel.org/r/1539099815-2943-1-git-send-email-penghao122@sina.com.cn

parent 2f6affe3

kernel/time/tick-sched.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -885,7 +885,7 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
		if (need_resched())
		return false;

		if (unlikely(local_softirq_pending() && cpu_online(cpu))) {
		if (unlikely(local_softirq_pending())) {
		static int ratelimit;

		if (ratelimit < 10 &&

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