linux-kernel - Re: [tip: objtool/core] objtool: Add CONFIG_OBJTOOL

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Message-ID: <Z9leT_0nTlCR-eZA@gmail.com>
Date: Tue, 18 Mar 2025 12:51:43 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org, Josh Poimboeuf <jpoimboe@...hat.com>
Cc: linux-tip-commits@...r.kernel.org, Josh Poimboeuf <jpoimboe@...nel.org>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org
Subject: Re: [tip: objtool/core] objtool: Add CONFIG_OBJTOOL_WERROR


* Ingo Molnar <mingo@...nel.org> wrote:

> 
> My randconfig build tests found this failure of 36 warnings upgraded to 
> a build failure:
> 
>    vmlinux.o: error: objtool: 36 warning(s) upgraded to errors
> 
> One thing that stands out in the config is:
> 
>   # CONFIG_BUG is not set

Here's a different build failure, with CONFIG_BUG set:

  vmlinux.o: error: objtool: 39 warning(s) upgraded to errors

it was the 6th randconfig - so these failures are pretty high 
frequency.

config attached.

I don't think this change is a wise one so close to the v6.15 merge 
window...

Thanks,

	Ingo

View attachment "config" of type "text/plain" (162431 bytes)