Re: [PATCH net-next V2] net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs

Nathan Chancellor
2025-09-15T22:19:11Z

On Mon, Sep 15, 2025 at 11:35:08AM +0300, Tariq Toukan wrote:
...
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
> index d77696f46eb5..06d0eb190816 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
> @@ -176,3 +176,9 @@ mlx5_core-$(CONFIG_PCIE_TPH) += lib/st.o
>
> obj-$(CONFIG_MLX5_DPLL) += mlx5_dpll.o
> mlx5_dpll-y := dpll.o
> +
> +#
> +# NEON WC specific for mlx5
> +#
> +mlx5_core-$(CONFIG_KERNEL_MODE_NEON) += lib/wc_neon_iowrite64_copy.o
> +FLAGS_lib/wc_neon_iowrite64_copy.o += $(CC_FLAGS_FPU)

Does this work as is? I think this needs to be CFLAGS instead of FLAGS
but I did not test to verify.

Cheers,
Nathan