Re: [PATCH v4 00/12] allow BFLT executables on systems with a MMU
From: One Thousand Gnomes
Date: Fri Jul 22 2016 - 11:07:22 EST
On Fri, 22 Jul 2016 17:28:13 +1000
Greg Ungerer <gerg@xxxxxxxxxxxxxx> wrote:
> On 22/07/16 00:48, Nicolas Pitre wrote:
> > On Thu, 21 Jul 2016, Greg Ungerer wrote:
> >> Hi Nicolas,
> >> On 21/07/16 05:22, Nicolas Pitre wrote:
> >>> This series provides the necessary changes to allow "flat" executable
> >>> binaries meant for no-MMU systems to actually run on systems with a MMU.
> >>> Also thrown in are various cleanups to binfmt_flat.c.
> >> I got to the bottom of why I couldn't run m68k flat binaries on
> >> an MMU enabled m68k system. I had to fix the regs setup, with the
> >> patch below. With this I can now run flat binaries on my ColdFire
> >> MMU enabled system.
> > Excellent!
> >> This change is completely independent of your patch series so I'll
> >> push this separately via the linux-m68k list and my m68knommu git
> >> tree.
> > OK.
> > Who should merge my patch series at this point?
> If no-one else wants to carry it I can take it in the m68knommu
> git tree. But I would want to be sure everyone is good with it
> Alan: are you happy with where this is at?
>From a first glance yes. I don't have time right now to give it a more
detailed audit, but with the correct user accessors it looks as if all
the ways you can mess up relocations simply result in faults or running a
nonsense binary and the userspace failing.