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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-07 10:09:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-07 10:09:52 -0800 |
| commit | abf7c3d8ddea3b43fe758590791878e1fd88ac47 (patch) | |
| tree | 17953a722a4744bd99ec19855a8bab9a2fda594f /kernel/workqueue.c | |
| parent | 8d521d94dacd2bcca5ef2054b6d9d9986da81423 (diff) | |
| parent | bf393fd4a3c888e6d407968f461900481bd0c041 (diff) | |
| download | linux-abf7c3d8ddea3b43fe758590791878e1fd88ac47.tar.gz | |
Merge branch 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
"All trivial. Two comment updates and one more initialization sanity
check in flush_work()"
* 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Fix spelling in source code comments
workqueue: fix typo in comment
workqueue: Try to catch flush_work() without INIT_WORK().
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 56814902bc56..69bd8083930c 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -648,7 +648,7 @@ static void set_work_pool_and_clear_pending(struct work_struct *work, * The following mb guarantees that previous clear of a PENDING bit * will not be reordered with any speculative LOADS or STORES from * work->current_func, which is executed afterwards. This possible - * reordering can lead to a missed execution on attempt to qeueue + * reordering can lead to a missed execution on attempt to queue * the same @work. E.g. consider this case: * * CPU#0 CPU#1 @@ -1343,7 +1343,7 @@ static bool is_chained_work(struct workqueue_struct *wq) worker = current_wq_worker(); /* - * Return %true iff I'm a worker execuing a work item on @wq. If + * Return %true iff I'm a worker executing a work item on @wq. If * I'm @worker, it's safe to dereference it without locking. */ return worker && worker->current_pwq->wq == wq; @@ -1725,7 +1725,7 @@ static void rcu_work_rcufn(struct rcu_head *rcu) * * Return: %false if @rwork was already pending, %true otherwise. Note * that a full RCU grace period is guaranteed only after a %true return. - * While @rwork is guarnateed to be executed after a %false return, the + * While @rwork is guaranteed to be executed after a %false return, the * execution may happen before a full RCU grace period has passed. */ bool queue_rcu_work(struct workqueue_struct *wq, struct rcu_work *rwork) @@ -3017,6 +3017,9 @@ static bool __flush_work(struct work_struct *work, bool from_cancel) if (WARN_ON(!wq_online)) return false; + if (WARN_ON(!work->func)) + return false; + if (!from_cancel) { lock_map_acquire(&work->lockdep_map); lock_map_release(&work->lockdep_map); |