linux-kernel - Re: [PATCH v2] efistub: Only link libstub to final vmlinux

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Message-ID: <alpine.DEB.2.21.999.2511172326340.8304@utopia.booyaka.com>
Date: Mon, 17 Nov 2025 23:28:02 +0000 (UTC)
From: Paul Walmsley <paul@...an.com>
To: Will Deacon <will@...nel.org>
cc: Huacai Chen <chenhuacai@...nel.org>, Josh Poimboeuf <jpoimboe@...nel.org>, 
    Catalin Marinas <catalin.marinas@....com>, Paul Walmsley <pjw@...nel.org>, 
    Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
    "Madhavan T. Venkataraman" <madvenka@...ux.microsoft.com>, 
    Tiezhu Yang <yangtiezhu@...ngson.cn>, Ard Biesheuvel <ardb@...nel.org>, 
    loongarch@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
    linux-riscv@...ts.infradead.org, linux-efi@...r.kernel.org, 
    linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] efistub: Only link libstub to final vmlinux

On Mon, 17 Nov 2025, Will Deacon wrote:

> On Sat, Nov 15, 2025 at 11:16:42AM +0800, Huacai Chen wrote:
>
> > Hi, ARM64 and RISC-V maintainers,
> > 
> > Would you mind that this patch modifies the three architectures
> > together (they are exactly the same style now)?
> > 
> > Madhavan is the author of ARM64's objtool, I think your opinion is
> > also very important.
> 
> arm64 doesn't (yet) use objtool.
>
> I defer to Ard on anything relating to the arm64 efistub. Reading the
> start of this thread, it doesn't look like he's convinced and I'm not
> surprised if it's purely an issue with objtool.

Same for RISC-V.


- Paul