linux-kernel - Re: [PATCH v1] kbuild: Add KBUILD_VMLINUX_LIBS

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Message-ID: <20251122013551.GA3928114@ax162>
Date: Fri, 21 Nov 2025 18:35:51 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>, Ard Biesheuvel <ardb@...nel.org>,
	Huacai Chen <chenhuacai@...nel.org>, linux-kbuild@...r.kernel.org,
	linux-efi@...r.kernel.org, loongarch@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] kbuild: Add KBUILD_VMLINUX_LIBS_PRELINK

On Wed, Nov 19, 2025 at 12:27:08PM +0800, Tiezhu Yang wrote:
...
> index 433849ff7529..e72d3254b93f 100755
> --- a/scripts/link-vmlinux.sh
> +++ b/scripts/link-vmlinux.sh
> @@ -61,12 +61,11 @@ vmlinux_link()
>  	shift
>  
>  	if is_enabled CONFIG_LTO_CLANG || is_enabled CONFIG_X86_KERNEL_IBT; then
> -		# Use vmlinux.o instead of performing the slow LTO link again.

Why is this comment getting removed?

>  		objs=vmlinux.o
> -		libs=
> +		libs="${KBUILD_VMLINUX_LIBS_PRELINK}"
>  	else
>  		objs=vmlinux.a
> -		libs="${KBUILD_VMLINUX_LIBS}"
> +		libs="${KBUILD_VMLINUX_LIBS} ${KBUILD_VMLINUX_LIBS_PRELINK}"
>  	fi
>  
>  	if is_enabled CONFIG_GENERIC_BUILTIN_DTB; then
> -- 
> 2.42.0
>