Il 16/09/2014 14:43, Andrew Jones ha scritto: > I don't think we need to worry about this case. AFAIU, enabling the > caches for a particular cpu shouldn't require any synchronization. > So we should be able to do > > enable caches > spin_lock > start other processors > spin_unlock Ok, I'll test and apply your patch then. Once you change the code to enable caches, please consider hanging on spin_lock with caches disabled. 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