*/
static inline void cds_list_add_rcu(struct cds_list_head *newp, struct cds_list_head *head)
{
- newp->next = head->next;
+ struct cds_list_head *first = head->next;
+
+ newp->next = first;
newp->prev = head;
- cmm_smp_wmb();
- head->next->prev = newp;
- head->next = newp;
+ rcu_assign_pointer(head->next, newp);
+ first->prev = newp;
}
/* replace an old entry atomically.
static inline void cds_list_del_rcu(struct cds_list_head *elem)
{
elem->next->prev = elem->prev;
- elem->prev->next = elem->next;
+ CMM_STORE_SHARED(elem->prev->next, elem->next);
}
/*
/* Iterate through elements of the list.
*/
#define cds_list_for_each_entry_rcu(pos, head, member) \
- for (pos = cds_list_entry(rcu_dereference((head)->next), typeof(*pos), member); \
+ for (pos = cds_list_entry(rcu_dereference((head)->next), __typeof__(*pos), member); \
&pos->member != (head); \
- pos = cds_list_entry(rcu_dereference(pos->member.next), typeof(*pos), member))
+ pos = cds_list_entry(rcu_dereference(pos->member.next), __typeof__(*pos), member))
#endif /* _URCU_RCULIST_H */