linux-kernel - Re: [PATCH 12/13] objtool: Create backup on error and print args

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Message-ID: <alpine.LSU.2.21.2503171508590.4236@pobox.suse.cz>
Date: Mon, 17 Mar 2025 15:09:21 +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 12/13] objtool: Create backup on error and print args

On Fri, 14 Mar 2025, Josh Poimboeuf wrote:

> Recreating objtool errors can be a manual process.  Kbuild removes the
> object, so it has to be compiled or linked again before running objtool.
> Then the objtool args need to be reversed engineered.
> 
> Make that all easier by automatically making a backup of the object file
> on error, and print a modified version of the args which can be used to
> recreate.
> 
> Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>

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

M