linux-kernel - Re: [PATCH] LoongArch: Select ARCH_HAS_CURRENT_STACK

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Message-ID: <CAJF2gTTjt+wcmbgZm-2WHNM+_3pMy7=BPYVy8B22M9qZZnuZWA@mail.gmail.com>
Date: Tue, 19 Mar 2024 11:58:29 +0800
From: Guo Ren <guoren@...nel.org>
To: Huacai Chen <chenhuacai@...ngson.cn>
Cc: Arnd Bergmann <arnd@...db.de>, Huacai Chen <chenhuacai@...nel.org>, loongarch@...ts.linux.dev, 
	linux-arch@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>, 
	Xuerui Wang <kernel@...0n.name>, Jiaxun Yang <jiaxun.yang@...goat.com>, 
	linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH] LoongArch: Select ARCH_HAS_CURRENT_STACK_POINTER in Kconfig

On Fri, Mar 15, 2024 at 10:45 AM Huacai Chen <chenhuacai@...ngson.cn> wrote:
>
> LoongArch has implemented the current_stack_pointer macro, so select
> ARCH_HAS_CURRENT_STACK_POINTER in Kconfig. This will let it be used in
> non-arch places (like HARDENED_USERCOPY).
>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
> ---
>  arch/loongarch/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index f90949aa7cda..277d00acd581 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -15,6 +15,7 @@ config LOONGARCH
>         select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
>         select ARCH_HAS_ACPI_TABLE_UPGRADE      if ACPI
>         select ARCH_HAS_CPU_FINALIZE_INIT
> +       select ARCH_HAS_CURRENT_STACK_POINTER
>         select ARCH_HAS_FORTIFY_SOURCE
>         select ARCH_HAS_KCOV
>         select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS
> --
> 2.43.0
>
Yep, you forgot that.

Reviewed-by: Guo Ren <guoren@...nel.org>

-- 
Best Regards
 Guo Ren