From: Shang XiaoJing <shangxiaojing@huawei.com>
Date: Sat, 27 Aug 2022 02:09:11 +0000 (+0800)
Subject: sched/deadline: Move __dl_clear_params out of dl_bw lock
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=33f93525799fa3c841b2ba93a56b2bb32ab11dc9;p=linux.git

sched/deadline: Move __dl_clear_params out of dl_bw lock

As members in sched_dl_entity are independent with dl_bw, move
__dl_clear_params out of dl_bw lock.

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Link: https://lore.kernel.org/r/20220827020911.30641-1-shangxiaojing@huawei.com
---

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 3bf4b12ec5b7f..d0fe6a20a9c9d 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -431,8 +431,8 @@ static void task_non_contending(struct task_struct *p)
 				sub_rq_bw(&p->dl, &rq->dl);
 			raw_spin_lock(&dl_b->lock);
 			__dl_sub(dl_b, p->dl.dl_bw, dl_bw_cpus(task_cpu(p)));
-			__dl_clear_params(p);
 			raw_spin_unlock(&dl_b->lock);
+			__dl_clear_params(p);
 		}
 
 		return;