Re: [PATCH] binfmt_flat: make load_flat_shared_library() work

[Arnd Bergmann]

On Wed, May 29, 2019 at 2:29 PM Greg Ungerer <gregungerer00@xxxxxxxxx> wrote:
> On 29/5/19 10:05 pm, Arnd Bergmann wrote:
> > On Tue, May 28, 2019 at 12:56 PM Greg Ungerer <gerg@xxxxxxxxxxxxxx> wrote:
> >> On 27/5/19 11:38 pm, Jann Horn wrote:
> >>> On Sat, May 25, 2019 at 11:43 PM Andrew Morton
> >>> <akpm@xxxxxxxxxxxxxxxxxxxx> 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.
> >
> > I think Emcraft have a significant customer base running ARM NOMMU
> > Linux, I wonder whether they would have run into this (adding
> > Sergei to Cc).
> > My suspicion is that they use only binfmt-elf-fdpic, not binfmt-flat.
> >
> > The only architectures I see that enable binfmt-flat are sh, xtensa
> > and h8300, but only arch/sh uses CONFIG_BINFMT_SHARED_FLAT
>
> m68k uses enables it too. It is the only binary format supported
> when running no-mmu on m68k. (You can use it with MMU enabled too
> if you really want too).

My mistake, I meant to write 'the only architectures /other than m68k/",
which you had already mentioned above.

    Arnd