Re: [PATCH 03/13] rcu: Exclude all potential timekeepers fromsysidle detection

[Paul E. McKenney]

On Wed, Dec 18, 2013 at 12:43:18PM +0100, Peter Zijlstra wrote:
> On Wed, Dec 18, 2013 at 12:49:15AM +0100, Frederic Weisbecker wrote:
> > That's to start simple as CPU 0 can't be offlined.
> 
> Yes it can, see CONFIG_BOOTPARAM_HOTPLUG_CPU0

Ah, and cpu0_hotplug boot parameter even if CONFIG_BOOTPARAM_HOTPLUG_CPU0=n.

Good to know!

							Thanx, Paul

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