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Date:   Fri, 5 Nov 2021 13:40:54 +0200
From:   Boris Kolpackov <boris@codesynthesis.com>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 03/10] kconfig: refactor conf_write_symbol()
Message-ID: <boris.20211105133811@codesynthesis.com>
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 <boris.20211028071331@codesynthesis.com>
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Masahiro Yamada <masahiroy@kernel.org> writes:

> Without this patch, there are some functions that start with double
> underscores.
> 
> For example,
> 
>   __expr_eliminate_eq() in scripts/kconfig/expr.c
>   __expand_string()  in scripts/kconfig/preprocess.c
> 
> Are they problematic as well?

Yes, they could be potentially problematic. Identifiers that start
with double underscores or with a single underscore followed by an
uppercase letter are reserved for use by the C implementation (for
example, as a pre-defined macro).