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charset="us-ascii" Content-ID: <68DCF4784EDDCC44A6C9B87353A2D9C4@namprd12.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW6PR12MB8999.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 15d0bd57-0f41-47db-988e-08dc26546a26 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Feb 2024 14:11:57.9509 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: /CHFeV+K3+qXQhe3Feaw1kI0nz6BUJ37osNNQ7u/v/kqJP1U2UGL83apKxUVlhGQ X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6938 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 I see that cnxk has added inline assembly for the ARM "dsb st" barrier. We,= too, would like to add a use of this instruction. Can a helper function be= added to the atomics headers? > drivers/ml/cnxk/cn10k_ml_dev.h:#define dsb_st ({ asm volatile("dsb st" : = : : "memory"); }) What would the helper be named, rte_wsb()? I suppose it would be a NOP on a= ll other platforms. Maybe we could add something for "dmb st" at the same time and get rid of t= hat assembly, too. Thanks, Andrew=