workqueue: mark WQ_NON_REENTRANT deprecated
dbf2576e37 ("workqueue: make all workqueues non-reentrant") made
WQ_NON_REENTRANT no-op but the following patches didn't remove the
flag or update the documentation. Let's mark the flag deprecated and
update the documentation accordingly.
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index a0ed78a..594521b 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -295,7 +295,12 @@
* Documentation/workqueue.txt.
*/
enum {
- WQ_NON_REENTRANT = 1 << 0, /* guarantee non-reentrance */
+ /*
+ * All wqs are now non-reentrant making the following flag
+ * meaningless. Will be removed.
+ */
+ WQ_NON_REENTRANT = 1 << 0, /* DEPRECATED */
+
WQ_UNBOUND = 1 << 1, /* not bound to any cpu */
WQ_FREEZABLE = 1 << 2, /* freeze during suspend */
WQ_MEM_RECLAIM = 1 << 3, /* may be used for memory reclaim */