Re: [GIT PULL] ARM: SoC fixes

[Tony Lindgren]

* Olof Johansson <olof@xxxxxxxxx> [181107 09:28]:
> On Wed, Nov 7, 2018 at 9:17 AM Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Wed, Nov 7, 2018 at 9:10 AM Olof Johansson <olof@xxxxxxxxx> wrote:
> > >
> > > ARM: SoC fixes
> >
> > Pulled.
> >
> > > I was a bit too trigger happy to enable PREEMPT on multi_v7_defconfig,
> > > and it ended up regressing at least BeagleBone XM boards.
> >
> > Odd. Did it hit some "may_sleep()" test in a driver that is hidden by
> > preempt being off? Otherwise I don't see how/why preempt should fail
> > in a board-specific manner..
> 
> The board hangs early during boot and the usual way of collecting
> early console doesn't seem to work when attempted (I haven't tried
> personally).
> 
> It's one of the major non-SMP platforms covered by tests. I'd be
> surprised if it turns out to be truly _board_ specific (and rather
> specific to OMAP3), but we don't have enough data yet. Chances are it
> either shuffles some timing around or indeed hits a may_sleep() test
> somewhere.
> 
> (I just realized I might have missed to attribute Guillaume in the
> revert patch. Sorry about that).

Looks like we're missing the stdout-path for earlycon, maybe try
with the following patch? I can't find my Beagleboard-xm right now,
time to clean-up a bit I guess.

At least omap3-evm, logicpd-torpedo and n900 all boot with PREEMPT.

Regards,

Tony

8< ----------------------