From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id CB71A43E97; Thu, 18 Apr 2024 01:42:44 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BBCF340693; Thu, 18 Apr 2024 01:42:13 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id B2240402D0 for ; Thu, 18 Apr 2024 01:42:03 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id 48F0B20FD4DC; Wed, 17 Apr 2024 16:42:02 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 48F0B20FD4DC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1713397322; bh=KdqjlJ4A9aEaJV5fZaXs25eLtd12NiU5+QLK9e0/pZE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ovVhkwKTzBreE57jABrqUQfB8ex21e4AxoHitXiTTlewmb6WpaeGuK4yQqhrOVf+z TtsOFF53ZNHWhLXvk9hM1Lf4J4W3mWB1Gd0LsIX4mMn+U5AAFlLjgIuebFNCdAoopP NDxC1mT0E60CLVN0BzrkuVMNmhLbLgI97JXNFTnY= From: Tyler Retzlaff To: dev@dpdk.org Cc: =?UTF-8?q?Morten=20Br=C3=B8rup?= , Akhil Goyal , Aman Singh , Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Dariusz Sosnowski , Dmitry Kozlyuk , Fan Zhang , Ferruh Yigit , Harry van Haaren , Honnappa Nagarahalli , Jiayu Hu , Jingjing Wu , Kevin Laatz , Konstantin Ananyev , Matan Azrad , Ori Kam , Pallavi Kadam , Reshma Pattan , Sameh Gobriel , Suanming Mou , Thomas Monjalon , Tyler Retzlaff , Viacheslav Ovsiienko , Vladimir Medvedkin , Volodymyr Fialko , Yipeng Wang , Yuying Zhang Subject: [PATCH 07/16] rcu: remove use of VLAs for Windows built code Date: Wed, 17 Apr 2024 16:41:50 -0700 Message-Id: <1713397319-26135-8-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 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 --- lib/rcu/rte_rcu_qsbr.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/rcu/rte_rcu_qsbr.c b/lib/rcu/rte_rcu_qsbr.c index f08d974..971c056 100644 --- a/lib/rcu/rte_rcu_qsbr.c +++ b/lib/rcu/rte_rcu_qsbr.c @@ -356,7 +356,7 @@ int rte_rcu_qsbr_dq_enqueue(struct rte_rcu_qsbr_dq *dq, void *e) return 1; } - char data[dq->esize]; + char *data = alloca(dq->esize); dq_elem = (__rte_rcu_qsbr_dq_elem_t *)data; /* Start the grace period */ dq_elem->token = rte_rcu_qsbr_start(dq->v); @@ -419,10 +419,10 @@ int rte_rcu_qsbr_dq_enqueue(struct rte_rcu_qsbr_dq *dq, void *e) cnt = 0; - char data[dq->esize]; + char *data = alloca(dq->esize); /* Check reader threads quiescent state and reclaim resources */ while (cnt < n && - rte_ring_dequeue_bulk_elem_start(dq->r, &data, + rte_ring_dequeue_bulk_elem_start(dq->r, data, dq->esize, 1, available) != 0) { dq_elem = (__rte_rcu_qsbr_dq_elem_t *)data; -- 1.8.3.1