[PATCH v12 1/4] net/i40e: use mbuf prefetch helper

[David Marchand]

From: Tyler Retzlaff <roretzla at linux.microsoft.com>

Don't directly access the cacheline1 field in rte_mbuf struct for
prefetch instead just use rte_mbuf_prefetch_part2() to prefetch.

Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
Reviewed-by: Morten Brørup <mb at smartsharesystems.com>
Acked-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/i40e/i40e_rxtx_vec_avx512.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_rxtx_vec_avx512.c b/drivers/net/i40e/i40e_rxtx_vec_avx512.c
index f3050cd06c..0238b03f8a 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_avx512.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_avx512.c
@@ -826,7 +826,7 @@ i40e_tx_free_bufs_avx512(struct i40e_tx_queue *txq)
 		free[0] = m;
 		nb_free = 1;
 		for (i = 1; i < n; i++) {
-			rte_prefetch0(&txep[i + 3].mbuf->cacheline1);
+			rte_mbuf_prefetch_part2(txep[i + 3].mbuf);
 			m = rte_pktmbuf_prefree_seg(txep[i].mbuf);
 			if (likely(m)) {
 				if (likely(m->pool == free[0]->pool)) {
-- 
2.45.1