From patchwork Mon May 6 18:18:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 139945 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EF17143F5C; Mon, 6 May 2024 20:19:23 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 23CE040A67; Mon, 6 May 2024 20:19:02 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 451D7402D5 for ; Mon, 6 May 2024 20:18:54 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id 0B48720B2C8A; Mon, 6 May 2024 11:18:52 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 0B48720B2C8A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1715019533; bh=HXew/haqieT1RO6rX2D/kBW0afsocrGYNuKa8NK2fSk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HIVc6WQguMswJuilu4b3MPuaoXGBbtFR5GCwKyFeQZvnartagEvO82vUOru3H7AFQ ZnL6OH4E9JFV8MsbN+NDJ/FvqrVKvdjXU1N0gMIsLZSYQP+Ngaq1DoL5W50MeI25Vr WGKxectmW5Y2BYZISdyEOD6mE8Y5iwVlm+Jm74YM= From: Tyler Retzlaff To: dev@dpdk.org Cc: =?utf-8?q?Morten_Br=C3=B8rup?= , Akhil Goyal , Aman Singh , Anatoly Burakov , Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Dariusz Sosnowski , Dmitry Kozlyuk , Fan Zhang , Ferruh Yigit , Harman Kalra , 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 , Konstantin Ananyev Subject: [PATCH v3 05/19] hash: remove use of VLAs for Windows built code Date: Mon, 6 May 2024 11:18:37 -0700 Message-Id: <1715019531-22796-6-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1715019531-22796-1-git-send-email-roretzla@linux.microsoft.com> References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> <1715019531-22796-1-git-send-email-roretzla@linux.microsoft.com> MIME-Version: 1.0 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 From: Konstantin Ananyev 1) ./lib/hash/rte_cuckoo_hash.c:2362:9 : warning: ISO C90 forbids variable length array ‘positions’ 2) ../lib/hash/rte_cuckoo_hash.c:2478:9 : warning: ISO C90 forbids variable length array ‘positions’ Both rte_hash_lookup_bulk_data() and rte_hash_lookup_with_hash_bulk_data() expect @num_keys <= RTE_HASH_LOOKUP_BULK_MAX. So, for both cases it should be safe to replace VLA with fixed size array. Signed-off-by: Konstantin Ananyev --- lib/hash/rte_cuckoo_hash.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/hash/rte_cuckoo_hash.c b/lib/hash/rte_cuckoo_hash.c index 9cf9464..82b74bd 100644 --- a/lib/hash/rte_cuckoo_hash.c +++ b/lib/hash/rte_cuckoo_hash.c @@ -2359,7 +2359,7 @@ struct rte_hash * (num_keys > RTE_HASH_LOOKUP_BULK_MAX) || (hit_mask == NULL)), -EINVAL); - int32_t positions[num_keys]; + int32_t positions[RTE_HASH_LOOKUP_BULK_MAX]; __rte_hash_lookup_bulk(h, keys, num_keys, positions, hit_mask, data); @@ -2475,7 +2475,7 @@ struct rte_hash * (num_keys > RTE_HASH_LOOKUP_BULK_MAX) || (hit_mask == NULL)), -EINVAL); - int32_t positions[num_keys]; + int32_t positions[RTE_HASH_LOOKUP_BULK_MAX]; __rte_hash_lookup_with_hash_bulk(h, keys, sig, num_keys, positions, hit_mask, data);