linux-kernel - Re: [tip: objtool/core] objtool/klp: Add --debug option to show cloning decisions

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Message-ID: <20251031142100.GEaQTFzKD-nV3kQkhj@fat_crate.local>
Date: Fri, 31 Oct 2025 15:21:00 +0100
From: Borislav Petkov <bp@...en8.de>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>, linux-kernel@...r.kernel.org,
	linux-tip-commits@...r.kernel.org, Petr Mladek <pmladek@...e.com>,
	Joe Lawrence <joe.lawrence@...hat.com>, x86@...nel.org
Subject: Re: [tip: objtool/core] objtool/klp: Add --debug option to show
 cloning decisions

On Fri, Oct 31, 2025 at 10:09:44AM -0400, Nathan Chancellor wrote:
> Yeah, that looks good to me and matches the workaround that Peter did in
> include/linux/compiler-clang.h. If cleanup is going to be used more in
> objtool, it might be worth taking that approach there too like:
> 
>   #ifdef __clang__
>   #define __cleanup(func) __maybe_unused __attribute__((__cleanup__(func)))
>   #else
>   #define __cleanup(func) __attribute__((__cleanup__(func)))
>   #endif

LGTM.

I'll wait for the objool-er folks to lemme know what they want before
I productize it.

Thx Nathan!

-- 
Regards/Gruss,
    Boris.

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