Commit-ID: d59e0ba19481c0046d2ea2bd0e5344eeaf45aace
Gitweb: https://git.kernel.org/tip/d59e0ba19481c0046d2ea2bd0e5344eeaf45aace
Author: Peng Hao <peng.hao2@xxxxxxxxxx>
AuthorDate: Tue, 9 Oct 2018 11:43:35 -0400
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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.hao2@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: fweisbec@xxxxxxxxx
Link: https://lkml.kernel.org/r/1539099815-2943-1-git-send-email-penghao122@xxxxxxxxxxx
---
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 &&
|