[dpdk-dev] [PATCH 2/2] examples/performance-thread: fix undef behavior

Honnappa Nagarahalli honnappa.nagarahalli at arm.com
Fri Oct 16 08:03:49 CEST 2020


When the value of RTE_MAX_LCORE is small, it results in the
following compilation error.

../examples/performance-thread/l3fwd-thread/main.c:2338:34: error:
iteration 4 invokes undefined behavior
[-Werror=aggressive-loop-optimizations]

Fixes: d48415e1fee3 ("examples/performance-thread: add l3fwd-thread app")
Cc: ian.betts at intel.com
Cc: stable at dpdk.org

Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>
---
 examples/performance-thread/l3fwd-thread/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/performance-thread/l3fwd-thread/main.c b/examples/performance-thread/l3fwd-thread/main.c
index 818e483d2..dc34d4893 100644
--- a/examples/performance-thread/l3fwd-thread/main.c
+++ b/examples/performance-thread/l3fwd-thread/main.c
@@ -599,8 +599,8 @@ struct thread_rx_conf rx_thread[MAX_RX_THREAD];
 struct thread_tx_conf {
 	struct thread_conf conf;
 
-	uint16_t tx_queue_id[RTE_MAX_LCORE];
-	struct mbuf_table tx_mbufs[RTE_MAX_LCORE];
+	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+	struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 
 	struct rte_ring *ring;
 	struct lthread_cond **ready;
-- 
2.17.1



More information about the dev mailing list