[PATCH] sched/fair: remove the spin_lock operations

From: Hui Su
Date: Fri Oct 30 2020 - 10:48:53 EST


Since 'ab93a4bc955b ("sched/fair: Remove
distribute_running fromCFS bandwidth")',there is
nothing to protect between raw_spin_lock_irqsave/store()
in do_sched_cfs_slack_timer().

So remove it.

Signed-off-by: Hui Su <sh_def@xxxxxxx>
---
kernel/sched/fair.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 290f9e38378c..5ecbf5e63198 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5105,9 +5105,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
return;

distribute_cfs_runtime(cfs_b);
-
- raw_spin_lock_irqsave(&cfs_b->lock, flags);
- raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
}

/*
--
2.29.0