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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-07-23 12:33:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-02 20:39:44 -0700 |
| commit | c6fe44d96fc1536af5b11cd859686453d1b7bfd1 (patch) | |
| tree | 189b4815c4bc68a6bd65c833f6b38cc7ca4088fb /kernel/sched | |
| parent | mm: rewrite wait_on_page_bit_common() logic (diff) | |
| download | wireguard-linux-c6fe44d96fc1536af5b11cd859686453d1b7bfd1.tar.xz wireguard-linux-c6fe44d96fc1536af5b11cd859686453d1b7bfd1.zip | |
list: add "list_del_init_careful()" to go with "list_empty_careful()"
That gives us ordering guarantees around the pair.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/wait.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index ba059fbfc53a..01f5d3020589 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -389,7 +389,7 @@ int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, i int ret = default_wake_function(wq_entry, mode, sync, key); if (ret) - list_del_init(&wq_entry->entry); + list_del_init_careful(&wq_entry->entry); return ret; } |