[dpdk-dev] [PATCH v5 3/8] net/mlx4: fix ring wraparound compiler hint
Matan Azrad
matan at mellanox.com
Thu Nov 2 17:42:46 CET 2017
Remove unlikely hint from WQ wraparound check because it is
expected case.
Fixes: c3c977bbecbd ("net/mlx4: add Tx bypassing Verbs")
Signed-off-by: Matan Azrad <matan at mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
---
drivers/net/mlx4/mlx4_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mlx4/mlx4_rxtx.c b/drivers/net/mlx4/mlx4_rxtx.c
index f1c8dae..3169fe5 100644
--- a/drivers/net/mlx4/mlx4_rxtx.c
+++ b/drivers/net/mlx4/mlx4_rxtx.c
@@ -291,7 +291,7 @@ struct pv {
addr = rte_pktmbuf_mtod(buf, uintptr_t);
rte_prefetch0((volatile void *)addr);
/* Handle WQE wraparound. */
- if (unlikely(dseg >= (struct mlx4_wqe_data_seg *)sq->eob))
+ if (dseg >= (struct mlx4_wqe_data_seg *)sq->eob)
dseg = (struct mlx4_wqe_data_seg *)sq->buf;
dseg->addr = rte_cpu_to_be_64(addr);
/* Memory region key for this memory pool. */
--
1.8.3.1
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