* tip-bot2 for Josh Poimboeuf <tip-bot2@linutronix.de> wrote:

> The following commit has been merged into the objtool/core branch of tip:
> 
> Commit-ID:     36799069b48198e5ce92d99310060c4aecb4b3e3
> Gitweb:        https://git.kernel.org/tip/36799069b48198e5ce92d99310060c4aecb4b3e3
> Author:        Josh Poimboeuf <jpoimboe@kernel.org>
> AuthorDate:    Fri, 14 Mar 2025 12:29:11 -07:00
> Committer:     Peter Zijlstra <peterz@infradead.org>
> CommitterDate: Mon, 17 Mar 2025 11:51:44 +01:00
> 
> objtool: Add CONFIG_OBJTOOL_WERROR

> +config OBJTOOL_WERROR
> +	bool "Upgrade objtool warnings to errors"
> +	depends on OBJTOOL && !COMPILE_TEST
> +	help
> +	  Fail the build on objtool warnings.
> +
> +	  Objtool warnings can indicate kernel instability, including boot
> +	  failures.  This option is highly recommended.
> +
> +	  If unsure, say Y.

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

Thanks,

	Ingo