[RFC PATCH] smp: parallel smp boot option

[Russell King - ARM Linux]

On Mon, Jun 21, 2010 at 03:22:29PM -0700, Daniel Walker wrote:
> On Mon, 2010-06-21 at 23:00 +0100, Russell King - ARM Linux wrote:
> > On Mon, Jun 21, 2010 at 02:40:22PM -0700, Daniel Walker wrote:
> > > +#ifdef CONFIG_SMP_PARALLEL_START
> > > +	bl	__smp_secondary_spin
> > > +#endif
> > 
> 
> Your OK with this hook? I was thinking it might be better to check if
> it's the book cpu or the secondary here instead of in
> arch/arm/mach-msm .

Not entirely.  It would appear that it means you can never used a
compressed kernel on MSM, since if you do, you'll have all CPUs in
the system decompressing the kernel simultaneously.

If we have to have this hook, how about making it a weak reference
rather than something dealt with by the configuration system?