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Wed, 31 Jan 2018 10:13:00 +0000 From: Shahaf Shuler To: Adrien Mazarguil CC: =?iso-8859-1?Q?N=E9lio_Laranjeiro?= , "dev@dpdk.org" , Marcelo Ricardo Leitner Thread-Topic: [PATCH v4 0/4] net/mlx: make rdma-core optional at run-time Thread-Index: AQHTmd/njp/pziBTjkeTW39FwYF7caONw/rw Date: Wed, 31 Jan 2018 10:13:00 +0000 Message-ID: References: <20180129170310.14142-1-adrien.mazarguil@6wind.com> <20180130144512.21872-1-adrien.mazarguil@6wind.com> In-Reply-To: <20180130144512.21872-1-adrien.mazarguil@6wind.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=shahafs@mellanox.com; x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; VI1PR05MB1421; 7:GCpLIHqOjDR7Am9bvO0dLBohASjFLvmQh983XFrpuwU7UzKHgv6n3/2n7306TuMlUNWQbZwSgoHFk3UHOFdmJImDKcCBCb4RgEdrSVlYxIbZslEj7X3YtR5Gc2b4Bzpkd4AtfR6bFwaTwSVLCN7aiai5SPPVJS+7+e7qKV5fvb/XRaJwWdH6ZY+j5fGh8HL84W2lomUjqwRlyL1pR+fsHwqLLtmHuS2tVGL9US2AgZoDlfyCN4CAYWbR1zgnd4SP x-ms-exchange-antispam-srfa-diagnostics: SSOS; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 16e4a62f-5505-4b34-b7ee-08d568933554 X-MS-Exchange-CrossTenant-originalarrivaltime: 31 Jan 2018 10:13:00.5768 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB1421 Subject: Re: [dpdk-dev] [PATCH v4 0/4] net/mlx: make rdma-core optional at run-time X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jan 2018 10:13:10 -0000 Tuesday, January 30, 2018 5:35 PM, Adrien Mazarguil: > Subject: [PATCH v4 0/4] net/mlx: make rdma-core optional at run-time >=20 > A problem encountered with Mellanox PMDs and frequently reported by > DPDK application developers and Linux distribution package maintainers is > their dependency on rdma-core components, namely libibverbs, libmlx4, and > libmlx5. >=20 > For best performance in applications, DPDK is normally built as a collect= ion of > library archives (.a files), whose external dependencies are inherited th= rough > rte.app.mk during link. >=20 > When these PMDs are built-in, any binary DPDK package, whether DPDK > itself or derived applications, always have to pull rdma-core. This > dependency is not obvious and may be missed during the packaging of any > intermediate layer between DPDK itself and the end application. >=20 > While still required during compilation, this series trades this hard > dependency for an optional one, dynamically loaded at run-time through > dlopen(). >=20 > It supersedes Shachar's previous work on the same topic [1] using a diffe= rent > approach in order to preserve symbol versioning and address the remaining > issues. >=20 Series applied to next-net-mlx with the requested conversion from ERROR to = WARN upon dlopen failure. Please check fix is OK.=20 Thanks.