On 03/03/2015 17:30, Alex Bennée wrote: >> > >>> >> Right now this is not migrated on ARM if I remember correctly, but >>> >> perhaps you'll want to add it in the future. >> > >> > ...which is why we don't need to migrate this: it just means >> > that migration during WFI causes an unnecessary-wakeup, which >> > is architecturally fine. > What happens when you boot a SMP system but only ever power up one of the > CPUs? You can't just randomly start the second CPU if it's in the > powered off state, who knows what it would do? The second CPU would not be in the WFI state, which is what Peter is talking about. I agree that this state should be saved/restored. I'm just saying that HALTED is not the right constant to use. Paolo -- 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
