system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-07-21 02:23:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tick/sched : Remove redundant cpu_online() check

Browse source 
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
This commit is contained in:
Peng Hao 2018-10-09 11:43:35 -04:00 committed by Thomas Gleixner
parent 2f6affe35c
commit d59e0ba194
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
kernel/time/tick-sched.c
View file

@ -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 &&