From: Yongseok Koh <yskoh@mellanox.com>
To: thomas@monjalon.net
Cc: dev@dpdk.org, olgas@mellanox.com, shahafs@mellanox.com, stable@dpdk.org
Subject: [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration
Date: Tue, 29 Jan 2019 23:53:19 -0800 [thread overview]
Message-ID: <20190130075321.24466-1-yskoh@mellanox.com> (raw)
Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC")
Cc: stable@dpdk.org
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
---
doc/guides/nics/mlx5.rst | 7 +++++++
1 file changed, 7 insertions(+)
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`` file.
adds additional run-time checks and debugging messages at the cost of
lower performance.
+.. 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
~~~~~~~~~~~~~~~~~~~~~
--
2.11.0
next reply other threads:[~2019-01-30 7:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 7:53 Yongseok Koh [this message]
2019-01-30 7:53 ` [PATCH 2/3] doc: add Mellanox EN support Yongseok Koh
2019-01-30 7:53 ` [PATCH 3/3] doc: add mlx5 release note Yongseok Koh
2019-01-31 6:59 ` [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration Shahaf Shuler
2019-01-31 17:32 ` Thomas Monjalon
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