diff options
| author | Zqiang <qiang.zhang@linux.dev> | 2025-09-04 19:31:32 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-09-04 06:17:52 -1000 |
| commit | fd5081f4ef3325b49d26e41b5976d1f34032ca9b (patch) | |
| tree | 89cbd51cd105d3808712b277465b7dd6bc216057 /kernel/workqueue.c | |
| parent | b19a97d57c15643494ac8bfaaa35e3ee472d41da (diff) | |
workqueue: Remove redundant rcu_read_lock/unlock() in workqueue_congested()
The preempt_disable/enable() has already formed RCU read crtical
section, this commit therefore remove rcu_read_lock/unlock() in
workqueue_congested().
Signed-off-by: Zqiang <qiang.zhang@linux.dev>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c6b79b3675c3..831754e90071 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -6046,7 +6046,6 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) struct pool_workqueue *pwq; bool ret; - rcu_read_lock(); preempt_disable(); if (cpu == WORK_CPU_UNBOUND) @@ -6056,7 +6055,6 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) ret = !list_empty(&pwq->inactive_works); preempt_enable(); - rcu_read_unlock(); return ret; } |