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dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.34 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.34; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.34) by DM6NAM11FT022.mail.protection.outlook.com (10.13.172.210) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4690.15 via Frontend Transport; Wed, 10 Nov 2021 06:34:19 +0000 Received: from nvidia.com (172.20.187.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 10 Nov 2021 06:34:17 +0000 From: Xueming Li To: David Christensen CC: Luca Boccassi , dpdk stable Date: Wed, 10 Nov 2021 14:28:20 +0800 Message-ID: <20211110063216.2744012-17-xuemingl@nvidia.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211110063216.2744012-1-xuemingl@nvidia.com> References: <20211110063216.2744012-1-xuemingl@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.20.187.6] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL107.nvidia.com (172.20.187.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e6d55efa-4844-453c-a4d2-08d9a414204f X-MS-TrafficTypeDiagnostic: MW3PR12MB4476: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1186; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid03.nvidia.com; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(5660300002)(6286002)(36756003)(2906002)(186003)(55016002)(16526019)(47076005)(316002)(356005)(2616005)(336012)(36860700001)(54906003)(6916009)(86362001)(4326008)(7696005)(53546011)(83380400001)(426003)(1076003)(4001150100001)(7636003)(8676002)(6666004)(508600001)(70206006)(82310400003)(70586007)(966005)(26005)(8936002); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Nov 2021 06:34:19.6728 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e6d55efa-4844-453c-a4d2-08d9a414204f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT022.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4476 Subject: [dpdk-stable] patch 'eal/ppc: ignore GCC 10 stringop-overflow warnings' has been queued to stable release 20.11.4 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi, FYI, your patch has been queued to stable release 20.11.4 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 11/12/21. So please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://github.com/steevenlee/dpdk This queued commit can be viewed at: https://github.com/steevenlee/dpdk/commit/9102608a1cf447c8f3e8ccd9439fa94077cd4c97 Thanks. Xueming Li --- >From 9102608a1cf447c8f3e8ccd9439fa94077cd4c97 Mon Sep 17 00:00:00 2001 From: David Christensen Date: Thu, 2 Sep 2021 15:15:14 -0700 Subject: [PATCH] eal/ppc: ignore GCC 10 stringop-overflow warnings Cc: Xueming Li [ upstream commit c13e6177394365d4db1595ea038bd9c3de04d32f ] Suppress gcc warning "warning: writing 16 bytes into a region of size 0" for users of the POWER rte_memcpy() function. Existing rte_memcpy() code takes different code paths based on the actual size of the move so the warning is already addressed. See also commit b5b3ea803e47 ("eal/x86: ignore gcc 10 stringop-overflow warnings") Signed-off-by: David Christensen --- lib/librte_eal/ppc/include/rte_memcpy.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/lib/librte_eal/ppc/include/rte_memcpy.h b/lib/librte_eal/ppc/include/rte_memcpy.h index c2a1f356d5..6f388c0234 100644 --- a/lib/librte_eal/ppc/include/rte_memcpy.h +++ b/lib/librte_eal/ppc/include/rte_memcpy.h @@ -1,6 +1,6 @@ /* * SPDX-License-Identifier: BSD-3-Clause - * Copyright (C) IBM Corporation 2014. + * Copyright (C) IBM Corporation 2014,2021 */ #ifndef _RTE_MEMCPY_PPC_64_H_ @@ -18,11 +18,16 @@ extern "C" { #include "generic/rte_memcpy.h" -#if (GCC_VERSION >= 90000 && GCC_VERSION < 90400) +#if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 90000) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Warray-bounds" #endif +#if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 100000) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wstringop-overflow" +#endif + static inline void rte_mov16(uint8_t *dst, const uint8_t *src) { @@ -198,7 +203,11 @@ rte_memcpy_func(void *dst, const void *src, size_t n) return ret; } -#if (GCC_VERSION >= 90000 && GCC_VERSION < 90400) +#if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 100000) +#pragma GCC diagnostic pop +#endif + +#if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 90000) #pragma GCC diagnostic pop #endif -- 2.33.0 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2021-11-10 14:17:02.845231336 +0800 +++ 0016-eal-ppc-ignore-GCC-10-stringop-overflow-warnings.patch 2021-11-10 14:17:01.754080379 +0800 @@ -1 +1 @@ -From c13e6177394365d4db1595ea038bd9c3de04d32f Mon Sep 17 00:00:00 2001 +From 9102608a1cf447c8f3e8ccd9439fa94077cd4c97 Mon Sep 17 00:00:00 2001 @@ -4,0 +5,3 @@ +Cc: Xueming Li + +[ upstream commit c13e6177394365d4db1595ea038bd9c3de04d32f ] @@ -12,2 +14,0 @@ -Cc: stable@dpdk.org - @@ -16 +17 @@ - lib/eal/ppc/include/rte_memcpy.h | 15 ++++++++++++--- + lib/librte_eal/ppc/include/rte_memcpy.h | 15 ++++++++++++--- @@ -19 +20 @@ -diff --git a/lib/eal/ppc/include/rte_memcpy.h b/lib/eal/ppc/include/rte_memcpy.h +diff --git a/lib/librte_eal/ppc/include/rte_memcpy.h b/lib/librte_eal/ppc/include/rte_memcpy.h @@ -21,2 +22,2 @@ ---- a/lib/eal/ppc/include/rte_memcpy.h -+++ b/lib/eal/ppc/include/rte_memcpy.h +--- a/lib/librte_eal/ppc/include/rte_memcpy.h ++++ b/lib/librte_eal/ppc/include/rte_memcpy.h