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From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: brian90013@gmail.com,
	Bruce Richardson <bruce.richardson@intel.com>,
	wenzhuo.lu@intel.com, stable@dpdk.org,
	Beilei Xing <beilei.xing@intel.com>
Subject: [dpdk-stable] [PATCH 1/2] net/i40e: fix generic build on FreeBSD
Date: Wed, 18 Aug 2021 17:38:15 +0100
Message-ID: <20210818163816.19143-1-bruce.richardson@intel.com> (raw)
In-Reply-To: <bug-788-3@http.bugs.dpdk.org/>

The common header file for vectorization is included in multiple files,
and so must use macros for the current compilation unit, rather than the
compiler-capability flag set for the whole driver. With the current,
incorrect, macro, the AVX512 or AVX2 flags may be set when compiling up
SSE code, leading to compilation errors. Changing from "CC_AVX*_SUPPORT"
to the compiler-defined "__AVX*__" macros fixes this issue.

Bugzilla ID: 788
Fixes: 0604b1f2208f ("net/i40e: fix crash in AVX512")
Cc: wenzhuo.lu@intel.com
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 drivers/net/i40e/i40e_rxtx_vec_common.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/i40e_rxtx_vec_common.h b/drivers/net/i40e/i40e_rxtx_vec_common.h
index f52ed98d62..65715ed1ce 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_common.h
+++ b/drivers/net/i40e/i40e_rxtx_vec_common.h
@@ -268,7 +268,7 @@ i40e_rx_vec_dev_conf_condition_check_default(struct rte_eth_dev *dev)
 #endif
 }
 
-#ifdef CC_AVX2_SUPPORT
+#ifdef __AVX2__
 static __rte_always_inline void
 i40e_rxq_rearm_common(struct i40e_rx_queue *rxq, __rte_unused bool avx512)
 {
@@ -329,7 +329,7 @@ i40e_rxq_rearm_common(struct i40e_rx_queue *rxq, __rte_unused bool avx512)
 		_mm_store_si128((__m128i *)&rxdp++->read, dma_addr1);
 	}
 #else
-#ifdef CC_AVX512_SUPPORT
+#ifdef __AVX512VL__
 	if (avx512) {
 		struct rte_mbuf *mb0, *mb1, *mb2, *mb3;
 		struct rte_mbuf *mb4, *mb5, *mb6, *mb7;
-- 
2.30.2


       reply	other threads:[~2021-08-18 16:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-788-3@http.bugs.dpdk.org/>
2021-08-18 16:38 ` Bruce Richardson [this message]
2021-08-18 16:38   ` [dpdk-stable] [PATCH 2/2] net/ice: " Bruce Richardson
2021-08-30  8:18     ` Rong, Leyi
2021-09-01  6:24       ` Zhang, Qi Z
2021-09-01  6:23   ` [dpdk-stable] [dpdk-dev] [PATCH 1/2] net/i40e: " Zhang, Qi Z
2021-09-29 12:13 [dpdk-stable] " Leyi Rong
2021-10-18 21:35 ` Ferruh Yigit

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