linux-kernel - Re: [PATCH v2 06/21] kconfig: remove string expansion for mainmenu after yyparse()

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Message-ID: <CAGXu5jK-MtuYre2LB7=9ewFDPntv6p03PCmra9cQW57f293rTA@mail.gmail.com>
Date:   Tue, 27 Mar 2018 20:35:31 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild <linux-kbuild@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Nicolas Pitre <nico@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 06/21] kconfig: remove string expansion for mainmenu
 after yyparse()

On Mon, Mar 26, 2018 at 10:29 PM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> Now that environments are expanded in the lexer, conf_parse() does
> not need to explicitly expand $ARCH and $KERNELVERSION in the mainmenu.
>
> The hack introduced by commit 0724a7c32a54 ("kconfig: Don't leak
> main menus during parsing") can go away.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Reviewed-by: Kees Cook <keescook@...omium.org>

-Kees

-- 
Kees Cook
Pixel Security