Commit-ID: d59e0ba19481c0046d2ea2bd0e5344eeaf45aace Gitweb: https://git.kernel.org/tip/d59e0ba19481c0046d2ea2bd0e5344eeaf45aace Author: Peng Hao <peng.h...@zte.com.cn> AuthorDate: Tue, 9 Oct 2018 11:43:35 -0400 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 10 Oct 2018 11:47:20 +0200
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.h...@zte.com.cn> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: fweis...@gmail.com Link: https://lkml.kernel.org/r/1539099815-2943-1-git-send-email-penghao...@sina.com.cn --- kernel/time/tick-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 5b33e2f5c0ed..69e673b88474 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -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 &&
