diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 35b0c8f4f10f..088cd9b70fca 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2281,6 +2281,14 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, unsigned int req_cpu = cpu; /* + * NOTE: Check whether the used workqueue is deprecated and warn + */ + if (unlikely(wq->flags & __WQ_DEPRECATED)) + pr_warn_once("workqueue: work func %ps enqueued on deprecated workqueue. " + "Use system_{percpu|dfl}_wq instead.\n", + work->func); + + /* * While a work item is PENDING && off queue, a task trying to * steal the PENDING will busy-loop waiting for it to either get * queued or lose PENDING. Grabbing PENDING and queueing should @@ -8013,12 +8021,12 @@ void __init workqueue_init_early(void) ordered_wq_attrs[i] = attrs; } - system_wq = alloc_workqueue("events", WQ_PERCPU, 0); + system_wq = alloc_workqueue("events", WQ_PERCPU | __WQ_DEPRECATED, 0); system_percpu_wq = alloc_workqueue("events", WQ_PERCPU, 0); system_highpri_wq = alloc_workqueue("events_highpri", WQ_HIGHPRI | WQ_PERCPU, 0); system_long_wq = alloc_workqueue("events_long", WQ_PERCPU, 0); - system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND, WQ_MAX_ACTIVE); + system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND | __WQ_DEPRECATED, WQ_MAX_ACTIVE); system_dfl_wq = alloc_workqueue("events_unbound", WQ_UNBOUND, WQ_MAX_ACTIVE); system_freezable_wq = alloc_workqueue("events_freezable", WQ_FREEZABLE | WQ_PERCPU, 0); |