On 13/07/2016 20:00, Christian Borntraeger wrote: >>> >> I thought u64 still existed on 32-bit architectures. unsigned long >>> >> would be fine but with the caveat that certain stats would overflow on >>> >> 32-bit architectures. >> > >> > Yes, but not all 32-bit architectures can do atomic read-modify-write >> > (e.g. add) operations on 64-bit values. > So what about only doing it for the VCPU events? Those should be only > modified by one CPU. We would have some odd values on 32bit overflow, but > this will be certainly better than just start with 0 If that's good enough for PPC, that's fine. 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
