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authorJakub Kicinski <kuba@kernel.org>2022-06-16 20:13:52 -0700
committerJakub Kicinski <kuba@kernel.org>2022-06-16 20:13:52 -0700
commit9cbc9911260f24cd3ce2bfb3bcdf4792366a5745 (patch)
tree4600a657ac1e8977ff706bf398eb27de2dedab7f /kernel/workqueue.c
parentMerge branch 'net-mana-add-pf-and-xdp_redirect-support' (diff)
parentMerge tag 'net-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadlinux-dev-9cbc9911260f24cd3ce2bfb3bcdf4792366a5745.tar.xz
linux-dev-9cbc9911260f24cd3ce2bfb3bcdf4792366a5745.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 4056f2a3f9d5..1ea50f6be843 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2788,13 +2788,13 @@ static bool flush_workqueue_prep_pwqs(struct workqueue_struct *wq,
}
/**
- * flush_workqueue - ensure that any scheduled work has run to completion.
+ * __flush_workqueue - ensure that any scheduled work has run to completion.
* @wq: workqueue to flush
*
* This function sleeps until all work items which were queued on entry
* have finished execution, but it is not livelocked by new incoming ones.
*/
-void flush_workqueue(struct workqueue_struct *wq)
+void __flush_workqueue(struct workqueue_struct *wq)
{
struct wq_flusher this_flusher = {
.list = LIST_HEAD_INIT(this_flusher.list),
@@ -2943,7 +2943,7 @@ void flush_workqueue(struct workqueue_struct *wq)
out_unlock:
mutex_unlock(&wq->mutex);
}
-EXPORT_SYMBOL(flush_workqueue);
+EXPORT_SYMBOL(__flush_workqueue);
/**
* drain_workqueue - drain a workqueue
@@ -2971,7 +2971,7 @@ void drain_workqueue(struct workqueue_struct *wq)
wq->flags |= __WQ_DRAINING;
mutex_unlock(&wq->mutex);
reflush:
- flush_workqueue(wq);
+ __flush_workqueue(wq);
mutex_lock(&wq->mutex);
@@ -6111,3 +6111,11 @@ void __init workqueue_init(void)
wq_online = true;
wq_watchdog_init();
}
+
+/*
+ * Despite the naming, this is a no-op function which is here only for avoiding
+ * link error. Since compile-time warning may fail to catch, we will need to
+ * emit run-time warning from __flush_workqueue().
+ */
+void __warn_flushing_systemwide_wq(void) { }
+EXPORT_SYMBOL(__warn_flushing_systemwide_wq);