From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id AC3B945FEA; Sun, 5 Jan 2025 03:48:09 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 09A5A4065A; Sun, 5 Jan 2025 03:47:19 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 49F62402DC for <dev@dpdk.org>; Sun, 5 Jan 2025 03:47:08 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1213) id E787A206AB72; Sat, 4 Jan 2025 18:47:06 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E787A206AB72 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1736045226; bh=4igggFiLZfdv/kFvlIrPm9QlQVeLfICba0Q0TtP5U7U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j2a37/G5lF3xKZq3qEqBbm8OlhKfEi76JWy1c6b3wyJhQc+lzV1WQQrO15VD4Wx+i Ev22Etgxe4+rEudKemjC/CIEZNnuKZ5yZZ6rjwW8fwZ9AmmqZCvCuEkrHvYhAJ7Y0T DpLJ5nR39tH845uafaHSpam9JsYIypfwtF0+5im0= From: Andre Muezerie <andremue@linux.microsoft.com> To: dev@dpdk.org Cc: Tyler Retzlaff <roretzla@linux.microsoft.com> Subject: [PATCH v13 14/21] common/idpf: remove use of VLAs for Windows built code Date: Sat, 4 Jan 2025 18:46:51 -0800 Message-Id: <1736045218-15957-15-git-send-email-andremue@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1736045218-15957-1-git-send-email-andremue@linux.microsoft.com> References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> <1736045218-15957-1-git-send-email-andremue@linux.microsoft.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org From: Tyler Retzlaff <roretzla@linux.microsoft.com> MSVC does not support VLAs, replace VLAs with standard C arrays or alloca(). alloca() is available for all toolchain/platform combinations officially supported by DPDK. Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com> Acked-by: Bruce Richardson <bruce.richardson@intel.com> --- drivers/common/idpf/idpf_common_rxtx.c | 2 +- drivers/common/idpf/idpf_common_rxtx_avx512.c | 6 ++++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/common/idpf/idpf_common_rxtx.c b/drivers/common/idpf/idpf_common_rxtx.c index a04e54ce26..e04ab40fa2 100644 --- a/drivers/common/idpf/idpf_common_rxtx.c +++ b/drivers/common/idpf/idpf_common_rxtx.c @@ -569,7 +569,7 @@ idpf_split_rx_bufq_refill(struct idpf_rx_queue *rx_bufq) uint16_t nb_refill = rx_bufq->rx_free_thresh; uint16_t nb_desc = rx_bufq->nb_rx_desc; uint16_t next_avail = rx_bufq->rx_tail; - struct rte_mbuf *nmb[rx_bufq->rx_free_thresh]; + struct rte_mbuf **nmb = alloca(sizeof(struct rte_mbuf *) * rx_bufq->rx_free_thresh); uint64_t dma_addr; uint16_t delta; int i; diff --git a/drivers/common/idpf/idpf_common_rxtx_avx512.c b/drivers/common/idpf/idpf_common_rxtx_avx512.c index b8450b03ae..63e10c542f 100644 --- a/drivers/common/idpf/idpf_common_rxtx_avx512.c +++ b/drivers/common/idpf/idpf_common_rxtx_avx512.c @@ -1002,7 +1002,8 @@ idpf_tx_singleq_free_bufs_avx512(struct idpf_tx_queue *txq) uint32_t n; uint32_t i; int nb_free = 0; - struct rte_mbuf *m, *free[txq->rs_thresh]; + struct rte_mbuf *m; + struct rte_mbuf **free = alloca(sizeof(struct rte_mbuf *) * txq->rs_thresh); /* check DD bits on threshold descriptor */ if ((txq->tx_ring[txq->next_dd].qw1 & @@ -1326,7 +1327,8 @@ idpf_tx_splitq_free_bufs_avx512(struct idpf_tx_queue *txq) uint32_t n; uint32_t i; int nb_free = 0; - struct rte_mbuf *m, *free[txq->rs_thresh]; + struct rte_mbuf *m; + struct rte_mbuf **free = alloca(sizeof(struct rte_mbuf *) * txq->rs_thresh); n = txq->rs_thresh; -- 2.47.0.vfs.0.3