linux-kernel - Re: [PATCH] binfmt_flat: make load_flat_shared

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Message-ID: <CAG48ez1xe0MFrECFHAtiiTn1V0+yvJazuCNEiWWAm-kvUwG4nQ@mail.gmail.com>
Date:   Wed, 29 May 2019 14:38:17 +0200
From:   Jann Horn <jannh@...gle.com>
To:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc:     Greg Ungerer <gerg@...ux-m68k.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] binfmt_flat: make load_flat_shared_library() work

On Wed, May 29, 2019 at 2:32 PM John Paul Adrian Glaubitz
<glaubitz@...sik.fu-berlin.de> wrote:
> On 5/28/19 12:56 PM, Greg Ungerer wrote:
> >> Maybe... but I didn't want to rip it out without having one of the
> >> maintainers confirm that this really isn't likely to be used anymore.
> >
> > 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.