linux-kernel - Re: [PATCH v4 3/4] ACPI: NUMA: change the ACPI

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Message-ID: <CAJve8o=8thBhU3NyTaS6sE9rQ1VR_Qf4O8FkAxpmp1q8P-6VaQ@mail.gmail.com>
Date: Mon, 17 Jun 2024 21:34:18 +0800
From: Haibo Xu <xiaobo55x@...il.com>
To: Haibo Xu <haibo1.xu@...el.com>
Cc: sunilvl@...tanamicro.com, arnd@...db.de, ajones@...tanamicro.com, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Conor Dooley <conor.dooley@...rochip.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Baoquan He <bhe@...hat.com>, 
	Charlie Jenkins <charlie@...osinc.com>, Evan Green <evan@...osinc.com>, 
	Sami Tolvanen <samitolvanen@...gle.com>, Zong Li <zong.li@...ive.com>, 
	Clément Léger <cleger@...osinc.com>, 
	Alexandre Ghiti <alexghiti@...osinc.com>, Samuel Holland <samuel.holland@...ive.com>, 
	Chen Jiahao <chenjiahao16@...wei.com>, James Morse <james.morse@....com>, 
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>, Zhao Ke <ke.zhao@...ngroup.cn>, 
	Andy Chiu <andy.chiu@...ive.com>, Marc Zyngier <maz@...nel.org>, 
	Thomas Gleixner <tglx@...utronix.de>, Tony Luck <tony.luck@...el.com>, 
	Ard Biesheuvel <ardb@...nel.org>, Dan Williams <dan.j.williams@...el.com>, 
	Alison Schofield <alison.schofield@...el.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
	Robert Richter <rrichter@....com>, Yuntao Wang <ytcoode@...il.com>, Dave Jiang <dave.jiang@...el.com>, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	loongarch@...ts.linux.dev, linux-riscv@...ts.infradead.org, 
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH v4 3/4] ACPI: NUMA: change the ACPI_NUMA to a hidden option

@Catalin Marinas @Huacai Chen

Could you please have a look at this patch for the ACPI_NUMA config on
ARM64 and LOONGARCH respectively.

Thanks!

On Thu, Jun 13, 2024 at 4:37 PM Haibo Xu <haibo1.xu@...el.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@...db.de>
> Suggested-by: Sunil V L <sunilvl@...tanamicro.com>
> Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
> Reviewed-by: Sunil V L <sunilvl@...tanamicro.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 5d91259ee7b5..5079ad4e21a5 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1484,7 +1484,6 @@ 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 e38139c576ee..8d9e06e4ad84 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -470,7 +470,6 @@ 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
>