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Sun, 22 Mar 2026 03:25:09 -0700 From: Shani Peretz To: CC: , Shani Peretz , , Wathsala Vithanage , "Bruce Richardson" Subject: [PATCH 2/2] config/arm: revert forced crypto extension for Cortex-A78AE Date: Sun, 22 Mar 2026 12:24:59 +0200 Message-ID: <20260322102459.141958-3-shperetz@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260322102459.141958-1-shperetz@nvidia.com> References: <20260322102459.141958-1-shperetz@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3B:EE_|CY5PR12MB6370:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c9d8d29-5107-4799-9c03-08de87fd5377 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|82310400026|36860700016|376014|18002099003|56012099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161; 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Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3B.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6370 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 Revert commit 6e6cc1dc3548 ("config/arm: support crypto with Cortex-A78AE"). The change introduced an explicit crypto march extension as a workaround for an infinite loop in crypto performance tests. The root cause was a doorbell race due to compiler instruction reordering, now fixed by commit 0986acdceab5 ("common/mlx5: fix doorbell race from compiler reordering"). With the root cause addressed, the workaround is no longer needed. Additionally, the explicit crypto march extension causes compilation failures on setups where the toolchain or environment does not support AES instructions. Fixes: 6e6cc1dc3548 ("config/arm: support crypto with Cortex-A78AE") Cc: stable@dpdk.org Signed-off-by: Shani Peretz --- config/arm/meson.build | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/config/arm/meson.build b/config/arm/meson.build index 523b0fc0ed..c2e5f1bce6 100644 --- a/config/arm/meson.build +++ b/config/arm/meson.build @@ -83,7 +83,8 @@ part_number_config_arm = { ] }, '0xd42': { - 'mcpu' : 'mcpu_cortex-a78ae', + 'march': 'armv8.4-a', + 'mcpu' : 'cortex-a78ae', 'flags': [ ['RTE_MAX_LCORE', 16], ['RTE_MAX_NUMA_NODES', 1] @@ -704,10 +705,6 @@ mcpu_defs = { 'march': 'armv8-a', 'march_extensions': ['crc'] }, - 'mcpu_cortex-a78ae': { - 'march': 'armv8.4-a', - 'march_extensions': ['crypto'] - }, 'mcpu_ft2000plus': { 'march': 'armv8-a', 'march_extensions': ['crc'] -- 2.34.1