diff options
Diffstat (limited to 'include/linux/llist.h')
| -rw-r--r-- | include/linux/llist.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/llist.h b/include/linux/llist.h index 65fca1cbf51..ca91875286b 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -148,11 +148,14 @@ static inline void llist_add(struct llist_node *new, struct llist_head *head) struct llist_node *entry, *old_entry; entry = head->first; - do { + for (;;) { old_entry = entry; new->next = entry; + entry = cmpxchg(&head->first, old_entry, new); + if (entry == old_entry) + break; cpu_relax(); - } while ((entry = cmpxchg(&head->first, old_entry, new)) != old_entry); + } } /** |