Replace SMP barrier with atomic thread fence.
Signed-off-by: Feifei Wang <[email protected]>
Reviewed-by: Ruifeng Wang <[email protected]>
---
drivers/net/mlx4/mlx4_mr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx4/mlx4_mr.c b/drivers/net/mlx4/mlx4_mr.c
index cfd7d4a9c..503e8a7bb 100644
--- a/drivers/net/mlx4/mlx4_mr.c
+++ b/drivers/net/mlx4/mlx4_mr.c
@@ -951,11 +951,11 @@ mlx4_mr_mem_event_free_cb(struct rte_eth_dev *dev, const
void *addr, size_t len)
priv->mr.dev_gen);
/* Flush local caches by propagating invalidation across cores.
- * rte_smp_wmb is to keep the order that dev_gen updated before
+ * release-fence is to keep the order that dev_gen updated
before
* rebuilding global cache. Therefore, other core can flush
their
* local cache on time.
*/
- rte_smp_wmb();
+ rte_atomic_thread_fence(__ATOMIC_RELEASE);
mr_rebuild_dev_cache(dev);
}
rte_rwlock_write_unlock(&priv->mr.rwlock);
--
2.25.1
