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From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	"John Paul Adrian Glaubitz" <glaubitz@physik.fu-berlin.de>,
	"Borislav Petkov" <bp@alien8.de>,
	"Geert Uytterhoeven" <geert@linux-m68k.org>,
	"Theodore Ts'o" <tytso@mit.edu>, "X86 ML" <x86@kernel.org>,
	"Arnd Bergmann" <arnd@arndb.de>,
	LKML <linux-kernel@vger.kernel.org>,
	"Matt Turner" <mattst88@gmail.com>,
	"Måns Rullgård" <mans@mansr.com>,
	"Michael Cree" <mcree@orcon.net.nz>,
	linux-arch <linux-arch@vger.kernel.org>,
	"Richard Henderson" <rth@twiddle.net>,
	"Ivan Kokshaysky" <ink@jurassic.park.msu.ru>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: [PATCH] a.out: Stop building a.out/osf1 support on alpha and m68k
Date: Wed, 9 Mar 2022 14:02:42 -0800	[thread overview]
Message-ID: <202203091358.775E158C@keescook> (raw)
In-Reply-To: <CAHk-=wg+TYsns5JvNds6BVG7ezdg8uM_z9m8uJBcRDANdd7csw@mail.gmail.com>

On Wed, Mar 09, 2022 at 12:37:54PM -0800, Linus Torvalds wrote:
> On Wed, Mar 9, 2022 at 12:04 PM Eric W. Biederman <ebiederm@xmission.com> wrote:
> >
> > Let's see if anyone cares about a.out support on the last two
> > architectures that build it, by disabling the build of the support in
> > Kconfig.
> [...]
> But sure, it would be interesting to know if any alpha people care - I
> just have this suspicion that we can't drop it that easily because of
> the non-Linux legacy.

It looks like the only distro supporting Alpha is Gentoo. I pulled
down the installation media, and everything is ELF except for firmware
COFF files:

$ find . -type f | xargs file | grep -Ei ':.*(out|coff)'
./lib/firmware/meson/vdec/g12a_hevc_mmu.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/meson/vdec/g12a_vp9.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/meson/vdec/gxl_hevc_mmu.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/meson/vdec/gxl_vp9.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/meson/vdec/sm1_hevc_mmu.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/meson/vdec/sm1_vp9_mmu.bin: MIPSEB MIPS-III ECOFF executable not stripped - version 0.0
./lib/firmware/qca/crbtfw32.tlv: mc68k COFF object not stripped

So, since it's an easy revert, sure. Let's do it.

-- 
Kees Cook

  reply	other threads:[~2022-03-09 22:02 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-13 16:01 [PATCH] x86: Remove a.out support Borislav Petkov
2022-01-13 18:08 ` Kees Cook
2022-01-13 18:47 ` Theodore Ts'o
2022-01-13 22:56   ` Borislav Petkov
2022-01-14  4:06     ` Theodore Ts'o
2022-01-14 10:40       ` Arnd Bergmann
2022-01-14 19:09       ` Borislav Petkov
2022-01-14  9:51     ` David Laight
2022-01-14 14:52     ` Geert Uytterhoeven
2022-01-14 18:57       ` Theodore Ts'o
2022-01-14 19:00         ` Geert Uytterhoeven
2022-01-14 19:12       ` Borislav Petkov
2022-01-14 19:21         ` Geert Uytterhoeven
2022-01-14 19:35           ` Borislav Petkov
2022-01-15 11:37             ` Borislav Petkov
2022-01-15 19:42               ` John Paul Adrian Glaubitz
2022-03-09 20:03                 ` [PATCH] a.out: Stop building a.out/osf1 support on alpha and m68k Eric W. Biederman
2022-03-09 20:37                   ` Linus Torvalds
2022-03-09 22:02                     ` Kees Cook [this message]
2022-03-09 22:04                   ` Kees Cook
2022-03-10 23:29                     ` [PATCH] x86: Remove a.out support Eric W. Biederman
2022-03-10 23:35                       ` Linus Torvalds
2022-03-11  8:47                         ` Arnd Bergmann
2022-03-11 10:03                       ` Borislav Petkov
2022-03-10  8:09                   ` [PATCH] a.out: Stop building a.out/osf1 support on alpha and m68k Geert Uytterhoeven
2022-01-15  4:54           ` [PATCH] x86: Remove a.out support David Laight
2022-03-11 14:40 ` [tip: x86/cleanups] " tip-bot2 for Borislav Petkov
2022-04-11 17:42 ` tip-bot2 for Borislav Petkov

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