utmp

[Steven Munroe]

On Thu, 2016-06-30 at 11:09 +0200, Dan Horák wrote:
> On Wed, 29 Jun 2016 09:03:18 +0200
> Andreas Schwab <schwab@suse.de> wrote:
> 
> > Albert ARIBAUD <albert.aribaud@3adev.fr> writes:
> > 
> > > - the utmp file structure should not depend on architecture word
> > > size or, ideally, endianness.
> > 
> > Endianness is not an issue as you cannot run LE and BE at the same
> > time.
> 
> AFAIK the Linux kernel for POWER technically supports that, running
> both BE and LE processes at the same time.
> 
But the distro supplied runtime libraries do not. 

Shared memory and mmapped files would require special handling. Which is
not provided.