On Tue, 31 Oct 2017, Waiman Long wrote:>+void dlock_lists_del(struct dlock_list_node *node)>+{>+ struct dlock_list_head *head;>+ bool retry;>+>+ do {>+ head = READ_ONCE(node->head);Boqun had previously pointed this out; you need to WRITE_ONCE() node->head too.Thanks,Davidlohr