diff options
Diffstat (limited to 'include/qemu/rcu_queue.h')
| -rw-r--r-- | include/qemu/rcu_queue.h | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/include/qemu/rcu_queue.h b/include/qemu/rcu_queue.h index 904b3372dc..2d386f303e 100644 --- a/include/qemu/rcu_queue.h +++ b/include/qemu/rcu_queue.h @@ -206,47 +206,50 @@ extern "C" { #define QTAILQ_INSERT_HEAD_RCU(head, elm, field) do { \ (elm)->field.tqe_next = (head)->tqh_first; \ if ((elm)->field.tqe_next != NULL) { \ - (head)->tqh_first->field.tqe_prev = &(elm)->field.tqe_next; \ + (head)->tqh_first->field.tqe_circ.tql_prev = \ + &(elm)->field.tqe_circ; \ } else { \ - (head)->tqh_last = &(elm)->field.tqe_next; \ + (head)->tqh_circ.tql_prev = &(elm)->field.tqe_circ; \ } \ atomic_rcu_set(&(head)->tqh_first, (elm)); \ - (elm)->field.tqe_prev = &(head)->tqh_first; \ + (elm)->field.tqe_circ.tql_prev = &(head)->tqh_circ; \ } while (/*CONSTCOND*/0) -#define QTAILQ_INSERT_TAIL_RCU(head, elm, field) do { \ - (elm)->field.tqe_next = NULL; \ - (elm)->field.tqe_prev = (head)->tqh_last; \ - atomic_rcu_set((head)->tqh_last, (elm)); \ - (head)->tqh_last = &(elm)->field.tqe_next; \ +#define QTAILQ_INSERT_TAIL_RCU(head, elm, field) do { \ + (elm)->field.tqe_next = NULL; \ + (elm)->field.tqe_circ.tql_prev = (head)->tqh_circ.tql_prev; \ + atomic_rcu_set(&(head)->tqh_circ.tql_prev->tql_next, (elm)); \ + (head)->tqh_circ.tql_prev = &(elm)->field.tqe_circ; \ } while (/*CONSTCOND*/0) #define QTAILQ_INSERT_AFTER_RCU(head, listelm, elm, field) do { \ (elm)->field.tqe_next = (listelm)->field.tqe_next; \ if ((elm)->field.tqe_next != NULL) { \ - (elm)->field.tqe_next->field.tqe_prev = &(elm)->field.tqe_next; \ + (elm)->field.tqe_next->field.tqe_circ.tql_prev = \ + &(elm)->field.tqe_circ; \ } else { \ - (head)->tqh_last = &(elm)->field.tqe_next; \ + (head)->tqh_circ.tql_prev = &(elm)->field.tqe_circ; \ } \ atomic_rcu_set(&(listelm)->field.tqe_next, (elm)); \ - (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \ + (elm)->field.tqe_circ.tql_prev = &(listelm)->field.tqe_circ; \ } while (/*CONSTCOND*/0) -#define QTAILQ_INSERT_BEFORE_RCU(listelm, elm, field) do { \ - (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \ - (elm)->field.tqe_next = (listelm); \ - atomic_rcu_set((listelm)->field.tqe_prev, (elm)); \ - (listelm)->field.tqe_prev = &(elm)->field.tqe_next; \ - } while (/*CONSTCOND*/0) +#define QTAILQ_INSERT_BEFORE_RCU(listelm, elm, field) do { \ + (elm)->field.tqe_circ.tql_prev = (listelm)->field.tqe_circ.tql_prev; \ + (elm)->field.tqe_next = (listelm); \ + atomic_rcu_set(&(listelm)->field.tqe_circ.tql_prev->tql_next, (elm)); \ + (listelm)->field.tqe_circ.tql_prev = &(elm)->field.tqe_circ; \ +} while (/*CONSTCOND*/0) #define QTAILQ_REMOVE_RCU(head, elm, field) do { \ if (((elm)->field.tqe_next) != NULL) { \ - (elm)->field.tqe_next->field.tqe_prev = (elm)->field.tqe_prev; \ + (elm)->field.tqe_next->field.tqe_circ.tql_prev = \ + (elm)->field.tqe_circ.tql_prev; \ } else { \ - (head)->tqh_last = (elm)->field.tqe_prev; \ + (head)->tqh_circ.tql_prev = (elm)->field.tqe_circ.tql_prev; \ } \ - atomic_set((elm)->field.tqe_prev, (elm)->field.tqe_next); \ - (elm)->field.tqe_prev = NULL; \ + atomic_set(&(elm)->field.tqe_circ.tql_prev->tql_next, (elm)->field.tqe_next); \ + (elm)->field.tqe_circ.tql_prev = NULL; \ } while (/*CONSTCOND*/0) #define QTAILQ_FOREACH_RCU(var, head, field) \ |