[PATCH] rcu-tasks: Remove unnecessary lazy_jiffies in call_rcu_tasks_generic_timer()

From: Zqiang
Date: Tue Mar 12 2024 - 07:35:41 EST


The rcu_tasks_percpu structure's->lazy_timer is queued only when
the rcu_tasks structure's->lazy_jiffies is not equal to zero in
call_rcu_tasks_generic(), if the lazy_timer callback is invoked,
that means the lazy_jiffes is not equal to zero, this commit
therefore remove lazy_jiffies check in call_rcu_tasks_generic_timer().

Signed-off-by: Zqiang <qiang.zhang1211@xxxxxxxxx>
---
kernel/rcu/tasks.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index b1254cf3c210..439e0b9a2656 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -299,7 +299,7 @@ static void call_rcu_tasks_generic_timer(struct timer_list *tlp)

rtp = rtpcp->rtpp;
raw_spin_lock_irqsave_rcu_node(rtpcp, flags);
- if (!rcu_segcblist_empty(&rtpcp->cblist) && rtp->lazy_jiffies) {
+ if (!rcu_segcblist_empty(&rtpcp->cblist)) {
if (!rtpcp->urgent_gp)
rtpcp->urgent_gp = 1;
needwake = true;
--
2.17.1