linux-kernel - Re: [PATCHv2] kconfig: add warn-unknown-symbols sanity check

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Message-ID: <20230903111535.GH3913@google.com>
Date:   Sun, 3 Sep 2023 20:15:35 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Jonathan Corbet <corbet@....net>,
        Tomasz Figa <tfiga@...omium.org>, linux-kbuild@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] kconfig: add warn-unknown-symbols sanity check

On (23/08/31 23:56), Masahiro Yamada wrote:
> On Thu, Aug 31, 2023 at 11:15 PM Sergey Senozhatsky
> <senozhatsky@...omium.org> wrote:
> >
> > Introduce KCONFIG_WARN_UNKNOWN_SYMBOLS environment variable,
> > which makes Kconfig warn about unknown config symbols.
> >
> > This is especially useful for continuous kernel uprevs when
> > some symbols can be either removed or renamed between kernel
> > releases (which can go unnoticed otherwise).
> >
> > By default KCONFIG_WARN_UNKNOWN_SYMBOLS generates warnings,
> > which are non-terminal. There is an additional environment
> > variable KCONFIG_WERROR that overrides this behaviour and
> > turns warnings into errors.
> >
> > Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
> 
> 
> Applied to linux-kbuild. Thanks.

Thanks.