On 08/02/2011 01:50 PM, Avi Kivity wrote: > struct AddrRange { > - uint64_t start; > - uint64_t size; > + int64_t start; > + int64_t size; I'm must say I'm not keen on this. My primary objection is that a "range" can no longer properly represent the entire address space. Or, indeed, anything in the second half of it. It sounds like your problem would be better solved by re-arranging things such that you perform X < Y comparisons rather than DELTA < 0. r~ -- 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