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Thu, 31 Jan 2019 06:59:41 +0000 From: Shahaf Shuler To: Yongseok Koh , Thomas Monjalon CC: "dev@dpdk.org" , Olga Shern , "stable@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration Thread-Index: AQHUuHDmGQi4pMy67kSw/U2z4tx0a6XI9A8Q Date: Thu, 31 Jan 2019 06:59:40 +0000 Message-ID: References: <20190130075321.24466-1-yskoh@mellanox.com> In-Reply-To: <20190130075321.24466-1-yskoh@mellanox.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; AM6PR0502MB3719; 6:1lzJwRFl621+orsNW3ySO7QPoULnSpF9SqJQyLsUhOnyS3X1gZtQk1nBIE5Y49j1zPIgw+j3abEMyCIfPVsD7flZTXVgR9Xf8nNyijVQ/L4aVPH6tblEov1Eu2kRJVStITVY6S4QPLf59WYv4zft2j8UlB4mvu3v4SX2holPbHMAotfnoOTrZCwFwk4yz5cl5PQ0l2YHtJadpnRWyAQGDxkcVkSxqVV1fcJSAc79KZ/TPe6S1vt0uYHPeGG4efBw2XzqJGk9/Kn7ggZPte2311d6f6FK3vi5POoOI3niZT/A8+5r3Exy4SHWMPFme3UWpPb0BQv522ibMsAzjKBAKteC+3YoMBp1pszPioxN7iTP20mgm/ND+l+PiNXDWw3kvEmjX4LFavavpdGvZ/tATPz/jC0j2X/Fv1uR3zO3NQolZAWfOM4Po/SP0rmsVHNFJL2RxEC1hkoljfQCFTD8OQ==; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM6PR0502MB3719; H:AM6PR0502MB3797.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: JrVb6VvtJEsMYCaae7SjKiiaocdIWdNiLelBUhYlZCC/fAlzYIUZzkJ9rcOYMy45yeAPZAyopAWF/D0wg7kxq3B17qckx0aiSsNKjnRDc5WtHbBriMQem5bUCERnBuSISr2WJ6+nQNsKRDkZjETIg2hlIqlPDYe1ABxs/qiXQuQdnQ0z7WW1QSciRHQVtOqsBrJZS+D3cnpJ32MSGa3DSmN82Llmumqq4tUCe3oBKder72MMnDA7QnbXtL/CxRXQuGSyPJ4LYLzt4+IDsrcUc8lR1XLdLBSczDnpXfXs7LrjM6UHAxAbxPhfjwCovCN5WFqWC33vXwqaT19TsTqEeyku1l6u9Qrb5HRM/ncMJWa+kgHHAhXGsa53J87TbGYCiNqhx+6TnXkvgCxPoCm3Bbzdv8hip5RfDDKG3Lwe3YQ= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: a6b46d71-3bad-4279-0465-08d68749ac38 X-MS-Exchange-CrossTenant-originalarrivaltime: 31 Jan 2019 06:59:41.0281 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR0502MB3719 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jan 2019 06:59:42 -0000 Wednesday, January 30, 2019 9:53 AM, Yongseok Koh: > Subject: [dpdk-dev] [PATCH 1/3] doc: add mlx5 note for Bluefield build > configuration >=20 > Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC") > Cc: stable@dpdk.org >=20 > Signed-off-by: Yongseok Koh For the series - Acked-by: Shahaf Shuler > --- > doc/guides/nics/mlx5.rst | 7 +++++++ > 1 file changed, 7 insertions(+) >=20 > diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index > 3f168b1613..62de860d0a 100644 > --- a/doc/guides/nics/mlx5.rst > +++ b/doc/guides/nics/mlx5.rst > @@ -221,6 +221,13 @@ These options can be modified in the ``.config`` fil= e. > adds additional run-time checks and debugging messages at the cost of > lower performance. >=20 > +.. note:: > + > + For Bluefield, target should be set to ``arm64-bluefield-linuxapp-gcc= ``. This > + will enable ``CONFIG_RTE_LIBRTE_MLX5_PMD`` and set > ``RTE_CACHE_LINE_SIZE`` to > + 64. Default armv8a configuration of make build and meson build set it= to > 128 > + then brings performance degradation. > + > Environment variables > ~~~~~~~~~~~~~~~~~~~~~ >=20 > -- > 2.11.0