Messages in this thread Patch in this message | | | From | Andrzej Hajda <> | Subject | [PATCH v5 4/7] llist: simplify __llist_del_all | Date | Wed, 18 Jan 2023 16:44:47 +0100 |
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llist_del_all uses xchg, let's use __xchg here.
Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> --- include/linux/llist.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/include/linux/llist.h b/include/linux/llist.h index 85bda2d02d65be..4dc1d185ea98ab 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -50,6 +50,7 @@ #include <linux/atomic.h> #include <linux/container_of.h> +#include <linux/non-atomic/xchg.h> #include <linux/stddef.h> #include <linux/types.h> @@ -241,10 +242,7 @@ static inline struct llist_node *llist_del_all(struct llist_head *head) static inline struct llist_node *__llist_del_all(struct llist_head *head) { - struct llist_node *first = head->first; - - head->first = NULL; - return first; + return __xchg(&head->first, NULL); } extern struct llist_node *llist_del_first(struct llist_head *head); -- 2.34.1
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