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(seliicwb00002.seli.gic.ericsson.se [10.156.25.100]) by seliicinfr00049.seli.gic.ericsson.se (Postfix) with ESMTP id 7182E380061; Thu, 11 May 2023 08:49:41 +0200 (CEST) From: =?utf-8?q?Mattias_R=C3=B6nnblom?= To: CC: Jerin Jacob , , , =?utf-8?q?Mattias_R=C3=B6nnblom?= Subject: [PATCH] eventdev: avoid non-burst shortcut for variable-size bursts Date: Thu, 11 May 2023 08:43:14 +0200 Message-ID: <20230511064314.6579-1-mattias.ronnblom@ericsson.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB5EUR02FT019:EE_|AS8PR07MB7207:EE_ X-MS-Office365-Filtering-Correlation-Id: 5b3e8b8d-d601-4c89-0994-08db51ebe600 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:192.176.1.74; CTRY:SE; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:oa.msg.ericsson.com; PTR:office365.se.ericsson.net; CAT:NONE; SFS:(13230028)(4636009)(396003)(136003)(346002)(39860400002)(376002)(451199021)(40470700004)(36840700001)(46966006)(70586007)(70206006)(316002)(4326008)(82960400001)(82740400003)(40460700003)(6916009)(7636003)(356005)(36756003)(107886003)(54906003)(82310400005)(478600001)(6666004)(86362001)(186003)(6266002)(40480700001)(26005)(1076003)(47076005)(2906002)(336012)(5660300002)(83380400001)(8936002)(8676002)(36860700001)(41300700001)(2616005); DIR:OUT; SFP:1101; X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 May 2023 06:49:42.0046 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5b3e8b8d-d601-4c89-0994-08db51ebe600 X-MS-Exchange-CrossTenant-Id: 92e84ceb-fbfd-47ab-be52-080c6b87953f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=92e84ceb-fbfd-47ab-be52-080c6b87953f; Ip=[192.176.1.74]; Helo=[oa.msg.ericsson.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR02FT019.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR07MB7207 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 Use non-burst event enqueue and dequeue calls from burst enqueue and dequeue only when the burst size is compile-time constant (and equal to one). Signed-off-by: Mattias Rönnblom Acked-by: Morten Brørup --- lib/eventdev/rte_eventdev.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h index a90e23ac8b..8af15816db 100644 --- a/lib/eventdev/rte_eventdev.h +++ b/lib/eventdev/rte_eventdev.h @@ -1944,7 +1944,7 @@ __rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id, * Allow zero cost non burst mode routine invocation if application * requests nb_events as const one */ - if (nb_events == 1) + if (__builtin_constant_p(nb_events) && nb_events == 1) return (fp_ops->enqueue)(port, ev); else return fn(port, ev, nb_events); @@ -2200,7 +2200,7 @@ rte_event_dequeue_burst(uint8_t dev_id, uint8_t port_id, struct rte_event ev[], * Allow zero cost non burst mode routine invocation if application * requests nb_events as const one */ - if (nb_events == 1) + if (__builtin_constant_p(nb_events) && nb_events == 1) return (fp_ops->dequeue)(port, ev, timeout_ticks); else return (fp_ops->dequeue_burst)(port, ev, nb_events,