[1/3] doc: add mlx5 note for Bluefield build configuration
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Commit Message
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(+)
Comments
Wednesday, January 30, 2019 9:53 AM, Yongseok Koh:
> Subject: [dpdk-dev] [PATCH 1/3] doc: add mlx5 note for Bluefield build
> configuration
>
> Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC")
> Cc: stable@dpdk.org
>
> Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
For the series - Acked-by: Shahaf Shuler <shahafs@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
31/01/2019 07:59, Shahaf Shuler:
> Wednesday, January 30, 2019 9:53 AM, Yongseok Koh:
> > Subject: [dpdk-dev] [PATCH 1/3] doc: add mlx5 note for Bluefield build
> > configuration
> >
> > Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
>
> For the series - Acked-by: Shahaf Shuler <shahafs@mellanox.com>
Applied
@@ -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
~~~~~~~~~~~~~~~~~~~~~