Re: [tip: objtool/core] objtool: Add CONFIG_OBJTOOL_WERROR

[Josh Poimboeuf]

On Mon, Mar 17, 2025 at 11:07:23AM +0000, tip-bot2 for Josh Poimboeuf 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@xxxxxxxxxx>
> AuthorDate:    Fri, 14 Mar 2025 12:29:11 -07:00
> Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> CommitterDate: Mon, 17 Mar 2025 11:51:44 +01:00
> 
> objtool: Add CONFIG_OBJTOOL_WERROR
> 
> 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).

This last paragraph is no longer accurate, looks like it was changed to
be off by default.

-- 
Josh