avx_not_suported.patch

--- i40e_rxtx_orig.c	2018-12-03 01:07:15.352350218 -0800
+++ i40e_rxtx.c	2018-12-03 01:06:31.928350145 -0800
@@ -2817,9 +2817,16 @@
 			 * plaforms, not all those that could theoretically
 			 * run it.
 			 */
+			/**
+			 * When compiling DPDK-18.02, gcc may generate Intel AVX instructions,
+			 * even when the processor does not support Intel AVX.
+			 * Fix for above "i40e" driver issue is a part of upcoming dpdk-18.05 release.
+			 * Reference Link: https://doc.dpdk.org/guides-18.05/rel_notes/release_18_05.html
+			 * Search KeyWord: net/i40e: fix rearm check in AVX2 Rx
+			 */
 			if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
-				dev->rx_pkt_burst =
-					i40e_recv_scattered_pkts_vec_avx2;
+				dev->rx_pkt_burst = i40e_recv_scattered_pkts_vec;
+				/* dev->rx_pkt_burst = i40e_recv_scattered_pkts_vec_avx2;*/
 #endif
 		} else {
 			PMD_INIT_LOG(DEBUG, "Using a Scattered with bulk "
@@ -2847,8 +2854,17 @@
 		 * plaforms, not all those that could theoretically
 		 * run it.
 		 */
+
+		/**
+		 * When compiling DPDK-18.02, gcc may generate Intel AVX instructions,
+		 * even when the processor does not support Intel AVX.
+		 * Fix for above "i40e" driver issue is a part of upcoming dpdk-18.05 release.
+		 * Reference Link: https://doc.dpdk.org/guides-18.05/rel_notes/release_18_05.html
+		 * Search KeyWord: net/i40e: fix rearm check in AVX2 Rx
+		 */
 		if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
-			dev->rx_pkt_burst = i40e_recv_pkts_vec_avx2;
+			dev->rx_pkt_burst = i40e_recv_pkts_vec;
+			/* dev->rx_pkt_burst = i40e_recv_pkts_vec_avx2;*/
 #endif
 	} else if (ad->rx_bulk_alloc_allowed) {
 		PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
@@ -2936,8 +2952,16 @@
 			 * plaforms, not all those that could theoretically
 			 * run it.
 			 */
+			/**
+			 * When compiling DPDK-18.02, gcc may generate Intel AVX instructions,
+			 * even when the processor does not support Intel AVX.
+			 * Fix for above "i40e" driver issue is a part of upcoming dpdk-18.05 release.
+			 * Reference Link: https://doc.dpdk.org/guides-18.05/rel_notes/release_18_05.html
+			 * Search KeyWord: net/i40e: fix rearm check in AVX2 Rx
+			 */
 			if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
-				dev->tx_pkt_burst = i40e_xmit_pkts_vec_avx2;
+				dev->tx_pkt_burst = i40e_xmit_pkts_vec;
+				/* dev->tx_pkt_burst = i40e_xmit_pkts_vec_avx2;*/
 #endif
 		} else {
 			PMD_INIT_LOG(DEBUG, "Simple tx finally be used.");