linux-kernel - Re: [PATCH 9/9] LoongArch: Mark Clang LTO as working

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Date:   Fri, 23 Jun 2023 09:52:28 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     WANG Xuerui <kernel@...0n.name>
Cc:     Huacai Chen <chenhuacai@...nel.org>,
        WANG Rui <wangrui@...ngson.cn>, Xi Ruoyao <xry111@...111.site>,
        loongarch@...ts.linux.dev, linux-kbuild@...r.kernel.org,
        llvm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        WANG Xuerui <git@...0n.name>
Subject: Re: [PATCH 9/9] LoongArch: Mark Clang LTO as working

On Fri, Jun 23, 2023 at 6:44 AM WANG Xuerui <kernel@...0n.name> wrote:
>
> From: WANG Xuerui <git@...0n.name>
>
> Confirmed working with QEMU system emulation.
>
> Signed-off-by: WANG Xuerui <git@...0n.name>

Acked-by: Nick Desaulniers <ndesaulniers@...gle.com>

Untested though.

> ---
>  arch/loongarch/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index c8e4f8b03c55..7c5d562b2623 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -51,6 +51,8 @@ config LOONGARCH
>         select ARCH_SUPPORTS_ACPI
>         select ARCH_SUPPORTS_ATOMIC_RMW
>         select ARCH_SUPPORTS_HUGETLBFS
> +       select ARCH_SUPPORTS_LTO_CLANG
> +       select ARCH_SUPPORTS_LTO_CLANG_THIN
>         select ARCH_SUPPORTS_NUMA_BALANCING
>         select ARCH_USE_BUILTIN_BSWAP
>         select ARCH_USE_CMPXCHG_LOCKREF
> --
> 2.40.0
>
>


-- 
Thanks,
~Nick Desaulniers