Re: Fw: [RFC] Strange code in cpu_idle()

[Zwane Mwaikambo]

On Mon, 6 Dec 2004, Stephen Rothwell wrote:

> On Mon, 6 Dec 2004 11:16:34 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > > Thoughts?
> > 
> > None, sorry :-)
> 
> Actually, Rusty suggests stop_machine() ...

Hmm i believe there is a window with CONFIG_PREEMPT whereupon we read the 
pm_idle pointer, get scheduled out to run the stopmachine thread and 
return with the stale pointer.

Thanks,
	Zwane

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