diff options
Diffstat (limited to 'lib/librte_ring/rte_ring_generic.h')
| -rw-r--r-- | lib/librte_ring/rte_ring_generic.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/librte_ring/rte_ring_generic.h b/lib/librte_ring/rte_ring_generic.h index ea7dbe5b..953cdbbd 100644 --- a/lib/librte_ring/rte_ring_generic.h +++ b/lib/librte_ring/rte_ring_generic.h @@ -158,11 +158,14 @@ __rte_ring_move_cons_head(struct rte_ring *r, unsigned int is_sc, return 0; *new_head = *old_head + n; - if (is_sc) - r->cons.head = *new_head, success = 1; - else + if (is_sc) { + r->cons.head = *new_head; + rte_smp_rmb(); + success = 1; + } else { success = rte_atomic32_cmpset(&r->cons.head, *old_head, *new_head); + } } while (unlikely(success == 0)); return n; } |