linux-kernel - Re: [RFC][PATCH] kconfig: introduce listunknownconfig

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Message-ID: <CAK7LNASJWKSsdzn5ccgWaC35-XvHGU7pnE6C=eZFDbqrrghtdQ@mail.gmail.com>
Date:   Sun, 20 Aug 2023 08:19:57 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        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: [RFC][PATCH] kconfig: introduce listunknownconfig

On Thu, Aug 17, 2023 at 5:30 PM Sergey Senozhatsky
<senozhatsky@...omium.org> wrote:
>
> Example:
> Suppose old .config has the following two options which
> were removed from the recent kernel:
>
> $ cat .config
> CONFIG_DISABLE_BUGS=y
>
> Running `make listunknownconfig` produces the following
> list of unrecognized symbols:
>
> .config:6:warning: unknown symbol: DISABLE_BUGS
> .config:7:warning: unknown unset symbol: ENABLE_WINAPI
>
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>


A new target is not what I like to see.


We decided to add KCONFIG_VERBOSE, which will be used to
warn options accidentally disabled or downgraded.

https://lore.kernel.org/linux-kbuild/20230809002436.18079-1-sunying@nj.iscas.ac.cn/T/#u


--
Best Regards

Masahiro Yamada