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Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 1ea50f6be843..7cd5f5e7e0a1 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1651,7 +1651,7 @@ static void __queue_delayed_work(int cpu, struct workqueue_struct *wq,
struct work_struct *work = &dwork->work;
WARN_ON_ONCE(!wq);
- WARN_ON_FUNCTION_MISMATCH(timer->function, delayed_work_timer_fn);
+ WARN_ON_ONCE(timer->function != delayed_work_timer_fn);
WARN_ON_ONCE(timer_pending(timer));
WARN_ON_ONCE(!list_empty(&work->entry));
@@ -3066,10 +3066,8 @@ static bool __flush_work(struct work_struct *work, bool from_cancel)
if (WARN_ON(!work->func))
return false;
- if (!from_cancel) {
- lock_map_acquire(&work->lockdep_map);
- lock_map_release(&work->lockdep_map);
- }
+ lock_map_acquire(&work->lockdep_map);
+ lock_map_release(&work->lockdep_map);
if (start_flush_work(work, &barr, from_cancel)) {
wait_for_completion(&barr.done);
@@ -3258,6 +3256,15 @@ static bool __cancel_work(struct work_struct *work, bool is_dwork)
return ret;
}
+/*
+ * See cancel_delayed_work()
+ */
+bool cancel_work(struct work_struct *work)
+{
+ return __cancel_work(work, false);
+}
+EXPORT_SYMBOL(cancel_work);
+
/**
* cancel_delayed_work - cancel a delayed work
* @dwork: delayed_work to cancel
@@ -5001,7 +5008,10 @@ static void unbind_workers(int cpu)
for_each_pool_worker(worker, pool) {
kthread_set_per_cpu(worker->task, -1);
- WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task, wq_unbound_cpumask) < 0);
+ if (cpumask_intersects(wq_unbound_cpumask, cpu_active_mask))
+ WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task, wq_unbound_cpumask) < 0);
+ else
+ WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task, cpu_possible_mask) < 0);
}
mutex_unlock(&wq_pool_attach_mutex);