[PATCH v3 1/2] config/arm: allow WFE to be enabled config time

[fengchengwen]

Acked-by: Chengwen Feng <fengchengwen at huawei.com>

On 2024/1/21 23:21, pbhagavatula at marvell.com wrote:
> From: Pavan Nikhilesh <pbhagavatula at marvell.com>
> 
> Allow RTE_ARM_USE_WFE to be enabled at meson configuration
> time by passing it via c_args instead of modifying
> `config/arm/meson.build`.
> 
> Example usage:
>  meson build -Dc_args='-DRTE_ARM_USE_WFE' \
> 	--cross-file config/arm/arm64_cn10k_linux_gcc
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> ---
>  v3 Changes:
>  - Comment the meson option instead of removing it.
> 
>  config/arm/meson.build | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index 36f21d2259..89e1de312b 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -17,7 +17,9 @@ flags_common = [
>          #    ['RTE_ARM64_MEMCPY_ALIGN_MASK', 0xF],
>          #    ['RTE_ARM64_MEMCPY_STRICT_ALIGN', false],
> 
> -        ['RTE_ARM_USE_WFE', false],
> +        # Enable use of ARM wait for event instruction.
> +        # ['RTE_ARM_USE_WFE', false],
> +
>          ['RTE_ARCH_ARM64', true],
>          ['RTE_CACHE_LINE_SIZE', 128]
>  ]
> --
> 2.25.1
> 
> .
>