[patch 3/8] powerpc: cpu_idle implementation for systemsim

[Eric Van Hensbergen]

On 1/15/06, Arnd Bergmann <arndb at de.ibm.com> wrote:
> On Saturday 14 January 2006 03:01, Olof Johansson wrote:
> > > +config SYSTEMSIM_IDLE
> > > +bool " Optimized idle loop for systemsim"
> > > +depends on PPC_SYSTEMSIM
> > > +help
> > > + Selecting this option will enable an more optimized idle loop
> > > + for running on the IBM Full System Simulator that
> > > + significantly reduces the load on the host system when
> > > + simulating an idle system.
> >
> > Do you really need this configured separately from the rest of
> > systemsim?
>
> Maybe not. The idea here is that if you want cycle-accurate simulation
> of the system, then you might want to use the regular idle loop
> instead of the faster one, but you might still rely on one of the
> device drivers.
>

This might also be best done as a kernel command-line argument or
something that gets pulled from the device-tree.

                 -eric