On Fri, Jun 20, 2014 at 05:38:14PM +0100, Marc Zyngier wrote:
> The new optional property "always-on" indicates that the timers
> are, well, always on when used with KVM.
> 
> This allows for substantial performance improvement in the guest
> (it switches to NOHZ instead of using a periodic tick per vcpu)
> and removes a lot of burden from the host (no need to inject tons
> of interrupts with the associated rescheduling overhead).
> 
> Old kernels that don't understand this property will simply ignore it.

  Acked-by: Will Deacon <will.dea...@arm.com>

Will
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