llist: make locking comments consistent

llist's locking requirement table has a legend which claims that all
operations not needing a lock a marked with '-', whereas in truth for some
table entries just a whitespace is used.

Add the '-' to all appropriate places.

Link: https://lore.kernel.org/20260507094918.23910-2-phasta@kernel.org
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/llist.h b/include/linux/llist.h
index 607b2360c938ce01cb9a584f97efee850db107bb..8846b7709669f6d7b7d2ffde92cfaab4e4e2252f 100644 (file)
--- a/include/linux/llist.h
+++ b/include/linux/llist.h
@@ -26,8 +26,8 @@
  *
  *           |   add    | del_first |  del_all
  * add       |    -     |     -     |     -
- * del_first |          |     L     |     L
- * del_all   |          |           |     -
+ * del_first |    -     |     L     |     L
+ * del_all   |    -     |     -     |     -
  *
  * Where, a particular row's operation can happen concurrently with a column's
  * operation, with "-" being no lock needed, while "L" being lock is needed.