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.deacon@xxxxxxx> Will -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
