Commit 1c97be677f72b3 ("list: Use WRITE_ONCE() when adding to lists and
hlists") introduced the use of WRITE_ONCE() to atomically write the list
head's ->next pointer.hlist_add_behind() doesn't touch the hlist head's ->first pointer so there is no reason to use WRITE_ONCE() in this case. Signed-off-by: Nikos Tsironis <[email protected]> Signed-off-by: Ilias Tsitsimpis <[email protected]> --- include/linux/list.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/list.h b/include/linux/list.h index edb7628e46ed..b68d2a85859b 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -743,7 +743,7 @@ static inline void hlist_add_behind(struct hlist_node *n, struct hlist_node *prev) { n->next = prev->next; - WRITE_ONCE(prev->next, n); + prev->next = n; n->pprev = &prev->next; if (n->next) -- 2.11.0 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
