Re: [PATCH 3/4] MIPS: malta-time: Don't use PIT timer for cevt/csrc

[Ralf Baechle <ralf@linux-mips.org>]

On Fri, Apr 22, 2016 at 08:23:12PM +0100, James Hogan wrote:

> >  Not everyone uses virtualisation, so it's a functional regression for 
> > them.  Can't you lower the priority for the timer instead so that it is 
> > not selected by default, just as it's done with other platforms providing 
> > a choice of timers?
> 
> I'll look into that. Looking back at my IRC logs I suspect I meant to
> check why the PIT was taking priority before submitting upstream, but
> forgot.

The PIT already has a very low rating and should only be used if everything
else fails.  Clock scaling for example would make the cycle counter
unusable, there might be no GIC available etc.  Otoh with SMP the PIT is
only usable as a clock source but not clock event device.

  Ralf