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Mon, 28 Oct 2019 17:59:56 +0000 From: Jason Gunthorpe To: Leon Romanovsky CC: Or Gerlitz , Doug Ledford , Michael Guralnik , RDMA mailing list Subject: Re: [PATCH rdma-next v1] IB/mlx5: Test write combining support Thread-Topic: [PATCH rdma-next v1] IB/mlx5: Test write combining support Thread-Index: AQHVjI71Izu0ilY3a0G1h+quMtG1H6dwEMWAgAAIHYCAAED/gA== Date: Mon, 28 Oct 2019 17:59:56 +0000 Message-ID: <20191028175953.GY22766@mellanox.com> References: <20191027062234.10993-1-leon@kernel.org> <20191028140715.GJ5146@unreal> In-Reply-To: <20191028140715.GJ5146@unreal> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BN6PR17CA0026.namprd17.prod.outlook.com (2603:10b6:405:75::15) To VI1PR05MB4141.eurprd05.prod.outlook.com (2603:10a6:803:44::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=jgg@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [142.162.113.180] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 92c0d236-2d9d-4b00-932e-08d75bd0a477 x-ms-traffictypediagnostic: VI1PR05MB3422:|VI1PR05MB3422: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92c0d236-2d9d-4b00-932e-08d75bd0a477 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Oct 2019 17:59:56.9517 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: h1fUxw65x6i/lF3+tYx47vvoP/vpZbkoPo9XtCLOIZEPQ5F3xcspvSEWuhYo/ku8GY3xBUnVxRD7/aaccsTxHQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB3422 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Mon, Oct 28, 2019 at 04:07:15PM +0200, Leon Romanovsky wrote: > On Mon, Oct 28, 2019 at 03:38:13PM +0200, Or Gerlitz wrote: > > On Sun, Oct 27, 2019 at 8:29 AM Leon Romanovsky wrote= : > > > > > > From: Michael Guralnik > > > > > > Add a test in mlx5_ib initialization process to test whether > > > write-combining is supported on the machine. > > > The test will run as part of the enable_driver callback to ensure tha= t > > > the test runs after the device is setup and can create and modify the > > > QP needed, but runs before the device is exposed to the users. > > > > > > The test opens UD QP and posts NOP WQEs, the WQE written to the BlueF= lame > > > is differnet from the WQE in memory, requesting CQE only on the BlueF= lame > > > > nit: different >=20 > Thanks, Jason/Doug should I resend? No, I usually fix stuff like that anyhow Jason