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* [dpdk-stable] [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration
@ 2019-01-30  7:53 Yongseok Koh
  2019-01-31  6:59 ` [dpdk-stable] [dpdk-dev] " Shahaf Shuler
  0 siblings, 1 reply; 3+ messages in thread
From: Yongseok Koh @ 2019-01-30  7:53 UTC (permalink / raw)
  To: thomas; +Cc: dev, olgas, shahafs, stable

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2019-01-30  7:53 [dpdk-stable] [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration Yongseok Koh
2019-01-31  6:59 ` [dpdk-stable] [dpdk-dev] " Shahaf Shuler
2019-01-31 17:32   ` Thomas Monjalon

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