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Wed, 7 Jul 2021 05:20:30 +0000 From: Ruifeng Wang To: Conor Walsh , "david.marchand@redhat.com" , "konstantin.ananyev@intel.com" , "vladimir.medvedkin@intel.com" , "jerinj@marvell.com" CC: "dev@dpdk.org" , "paulis.gributs@intel.com" , nd Thread-Topic: [PATCH] examples/l3fwd: remove useless reloads in EM main loop Thread-Index: AQHXcl4xuMXjqwBQdEqpVnhC/CwjSas2+jPw Date: Wed, 7 Jul 2021 05:20:29 +0000 Message-ID: References: <20210706115755.1011721-1-conor.walsh@intel.com> In-Reply-To: <20210706115755.1011721-1-conor.walsh@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ts-tracking-id: F585BE45DA97D14983AA2B729AA60132.0 x-checkrecipientchecked: true Authentication-Results-Original: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=arm.com; x-ms-publictraffictype: Email X-MS-Office365-Filtering-Correlation-Id: 566f8f69-11ff-4e42-c7be-08d94106f55a x-ms-traffictypediagnostic: AM6PR08MB4053:|PA4PR08MB6176: x-ld-processed: f34e5979-57d9-4aaa-ad4d-b122a662184d,ExtAddr X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true nodisclaimer: true x-ms-oob-tlc-oobclassifiers: OLM:459;OLM:459; 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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(4636009)(376002)(39860400002)(396003)(346002)(136003)(36840700001)(46966006)(82310400003)(82740400003)(55016002)(9686003)(53546011)(70206006)(4744005)(336012)(110136005)(5660300002)(356005)(70586007)(316002)(7696005)(54906003)(36860700001)(83380400001)(52536014)(8676002)(26005)(6506007)(186003)(2906002)(4326008)(33656002)(478600001)(47076005)(81166007)(86362001)(8936002); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2021 05:20:39.0502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 566f8f69-11ff-4e42-c7be-08d94106f55a X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT054.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR08MB6176 Subject: Re: [dpdk-dev] [PATCH] examples/l3fwd: remove useless reloads in EM main loop 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 Sender: "dev" > -----Original Message----- > From: Conor Walsh > Sent: Tuesday, July 6, 2021 7:58 PM > To: david.marchand@redhat.com; konstantin.ananyev@intel.com; > vladimir.medvedkin@intel.com; Ruifeng Wang ; > jerinj@marvell.com > Cc: dev@dpdk.org; paulis.gributs@intel.com; Conor Walsh > > Subject: [PATCH] examples/l3fwd: remove useless reloads in EM main loop >=20 > This patch aligns the l3fwd EM code with the changes made to LPM in commi= t > 74fb854a3de6 ("examples/l3fwd: remove useless reloads in LPM main loop"). > This change ensures the compiler knows that the lcore config variables ar= e > constant values and the compiler will then optimize the code accordingly. >=20 > Signed-off-by: Conor Walsh > --- > examples/l3fwd/l3fwd_em.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) >=20 Reviewed-by: Ruifeng Wang