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Subject: Re: [PATCH] binfmt_flat: make load_flat_shared_library() work
To:     Jann Horn <jannh@google.com>
Cc:     Greg Ungerer <gerg@linux-m68k.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        kernel list <linux-kernel@vger.kernel.org>,
        Kees Cook <keescook@chromium.org>,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        linux-m68k@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
        linux-arm-kernel@lists.infradead.org
References: <20190524201817.16509-1-jannh@google.com>
 <20190525144304.e2b9475a18a1f78a964c5640@linux-foundation.org>
 <CAG48ez36xJ9UA8gWef3+1rHQwob5nb8WP3RqnbT8GEOV9Z38jA@mail.gmail.com>
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 <7cac8be1-1667-6b6e-d2b8-d6ec5dc6da09@physik.fu-berlin.de>
 <CAG48ez1xe0MFrECFHAtiiTn1V0+yvJazuCNEiWWAm-kvUwG4nQ@mail.gmail.com>
From:   John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
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Message-ID: <7203be4f-cd4d-ef1a-f50f-223e17c8ca98@physik.fu-berlin.de>
Date:   Wed, 29 May 2019 14:47:13 +0200
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Sender: linux-kernel-owner@vger.kernel.org
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On 5/29/19 2:38 PM, Jann Horn wrote:
>>> I have not used shared libraries on m68k non-mmu setups for
>>> a very long time. At least 10 years I would think.
>> We use shared libraries in Debian on m68k and Andreas Schwab uses them
>> on openSUSE/m68k.
> 
> And you're using FLAT shared libraries, not ELF / FDPIC ELF shared
> libraries? See <https://lore.kernel.org/lkml/20190524201817.16509-1-jannh@google.com/>
> for context - this thread is about CONFIG_BINFMT_SHARED_FLAT.

No, we're using ELF binaries only:

root@pacman:~# grep CONFIG_BINFMT /boot/config-$(uname -r)
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_SCRIPT=y
# CONFIG_BINFMT_FLAT is not set
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_MISC=m
root@pacman:~#

Thanks,
Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913