linux-kernel - Re: [PATCH v4] ARM: decompressor: simplify libfdt builds

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Message-ID: <202004231051.5DF870A@keescook>
Date:   Thu, 23 Apr 2020 10:52:04 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] ARM: decompressor: simplify libfdt builds

On Wed, Apr 22, 2020 at 08:58:54AM +0100, Russell King - ARM Linux admin wrote:
> On Wed, Apr 22, 2020 at 09:44:38AM +0200, Geert Uytterhoeven wrote:
> > Is there a real reason this is only applied to a subset of the C object
> > files, and not to all of them? Or have we been lucky so far, by not
> > triggering the issue in decompressed.c, misc.c, and string.c (yet)?
> 
> I don't remember the details. See commit 7f66cd3f5420, which came from
> Kees which introduced this.

Just to clarify: the original change was just removing it where it was
detected in the then-current build. I was going for the least invasive
change to the build system.

-- 
Kees Cook