linux-kernel - Re: [PATCH 13/13] objtool: Add CONFIG_OBJTOOL

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Message-ID: <alpine.LSU.2.21.2503171513220.4236@pobox.suse.cz>
Date: Mon, 17 Mar 2025 15:14:25 +0100 (CET)
From: Miroslav Benes <mbenes@...e.cz>
To: Josh Poimboeuf <jpoimboe@...nel.org>
cc: x86@...nel.org, linux-kernel@...r.kernel.org, 
    Peter Zijlstra <peterz@...radead.org>, 
    Brendan Jackman <jackmanb@...gle.com>, 
    Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH 13/13] objtool: Add CONFIG_OBJTOOL_WERROR

On Fri, 14 Mar 2025, Josh Poimboeuf wrote:

> Objtool warnings can be indicative of crashes, broken live patching, or
> even boot failures.  Ignoring them is not recommended.
> 
> Add CONFIG_OBJTOOL_WERROR to upgrade objtool warnings to errors by
> enabling the objtool --Werror option.  Also set --backtrace to print the
> branches leading up to the warning, which can help considerably when
> debugging certain warnings.
> 
> To avoid breaking bots too badly for now, make it the default for real
> world builds only (!COMPILE_TEST).
> 
> Co-developed-by: Brendan Jackman <jackmanb@...gle.com>
> Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>

Brendan's SoB missing.

With 'default y' being present or not

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

and fingers crossed.

M