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llist: make locking comments consistent

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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>
This commit is contained in:
Philipp Stanner 2026-05-07 11:49:19 +02:00 committed by Andrew Morton
parent e4f5f6f3c1
commit 25c786a9f7
1 changed files with 2 additions and 2 deletions
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4
include/linux/llist.h
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@ -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.