[PATCH v3 5/6] ACPI: NUMA: change the ACPI_NUMA to a hidden option

[Haibo Xu]

@Arnd Bergmann

Could you help review this patch?

Thanks,
Haibo

On Wed, Apr 24, 2024 at 1:31 PM Haibo Xu <haibo1.xu at intel.com> wrote:
>
> x86/arm64/loongarch would select ACPI_NUMA by default and riscv
> would do the same thing, so change it to a hidden option and the
> select statements except for the X86_64_ACPI_NUMA can also go away.
>
> Suggested-by: Arnd Bergmann <arnd at arndb.de>
> Suggested-by: Sunil V L <sunilvl at ventanamicro.com>
> Signed-off-by: Haibo Xu <haibo1.xu at intel.com>
> ---
>  arch/arm64/Kconfig        | 1 -
>  arch/loongarch/Kconfig    | 1 -
>  drivers/acpi/numa/Kconfig | 5 +----
>  3 files changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 7b11c98b3e84..c6c667898da6 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1439,7 +1439,6 @@ config HOTPLUG_CPU
>  config NUMA
>         bool "NUMA Memory Allocation and Scheduler Support"
>         select GENERIC_ARCH_NUMA
> -       select ACPI_NUMA if ACPI
>         select OF_NUMA
>         select HAVE_SETUP_PER_CPU_AREA
>         select NEED_PER_CPU_EMBED_FIRST_CHUNK
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index a5f300ec6f28..29d574a5c34c 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -465,7 +465,6 @@ config NR_CPUS
>  config NUMA
>         bool "NUMA Support"
>         select SMP
> -       select ACPI_NUMA if ACPI
>         help
>           Say Y to compile the kernel with NUMA (Non-Uniform Memory Access)
>           support.  This option improves performance on systems with more
> diff --git a/drivers/acpi/numa/Kconfig b/drivers/acpi/numa/Kconfig
> index 849c2bd820b9..f33194d1e43f 100644
> --- a/drivers/acpi/numa/Kconfig
> +++ b/drivers/acpi/numa/Kconfig
> @@ -1,9 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0
>  config ACPI_NUMA
> -       bool "NUMA support"
> -       depends on NUMA
> -       depends on (X86 || ARM64 || LOONGARCH)
> -       default y if ARM64
> +       def_bool NUMA && !X86
>
>  config ACPI_HMAT
>         bool "ACPI Heterogeneous Memory Attribute Table Support"
> --
> 2.34.1
>