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Date: Sun, 9 Feb 2020 22:39:33 +0000
From: Jules Irenge <jbi.octave@...il.com>
To: boqun.feng@...il.com
Cc: juri.lelli@...hat.com, peterz@...radead.org, mingo@...hat.com,
vincent.guittot@...aro.org, dietmar.eggemann@....com,
rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
linux-kernel@...r.kernel.org, Jules Irenge <jbi.octave@...il.com>
Subject: [PATCH 06/11] sched/deadline: Add missing annotation for dl_task_offline_migration()
Sparse reports warning at dl_task_offline_migration()
warning: context imbalance in dl_task_offline_migration()
- unexpected unlock
The root cause is the missing annotation for dl_task_offline_migration()
Add the missing __releases(rq->lock) annotation.
Signed-off-by: Jules Irenge <jbi.octave@...il.com>
---
kernel/sched/deadline.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 43323f875cb9..68ea3a4933db 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -527,6 +527,7 @@ static inline void deadline_queue_pull_task(struct rq *rq)
static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq);
static struct rq *dl_task_offline_migration(struct rq *rq, struct task_struct *p)
+ __releases(rq->lock)
{
struct rq *later_rq = NULL;
struct dl_bw *dl_b;
--
2.24.1
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