[PATCH] ARM: formalize an IPI for CPU wake-ups

Russell King - ARM Linux linux at arm.linux.org.uk
Mon Jun 11 15:25:19 EDT 2012


On Mon, Jun 11, 2012 at 10:41:15AM -0700, Stephen Boyd wrote:
> On 06/11/12 10:18, Nicolas Pitre wrote:
> >
> > It certainly works for all the targets I'm looking at right now.  In 
> > those cases the boot protocol couldn't care less about the IPI number as 
> > the point is only to kick the target CPU out of WFI.
> >
> > And that message certainly has to go as it may be triggered multiple 
> > times per second in some use cases here.
> >
> >
> 
> Last time this came up I thought we covered most of the platforms?
> 
> OMAP, Realview, Versatile Express, and MSM are covered by this thread
> 
> http://lists.infradead.org/pipermail/linux-arm-kernel/2011-January/039275.html

Ok, in that case I've just committed three patches to make those platforms
use SGI0 instead of SGI1.



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