On 10/12/2014 18:27, Marcelo Tosatti wrote: > On Wed, Dec 10, 2014 at 06:09:19PM +0100, Paolo Bonzini wrote: >> >> >> On 10/12/2014 18:04, Marcelo Tosatti wrote: >>>> Please add an object property to the x86 CPU object. It can then be >>>> configured with "-global" on the command line. >>> >>> Don't want to allow individual values for different CPUs. >>> It is a per-VM property. >> >> Why? It can cause busy waiting, it would make sense to make it stricter >> for realtime CPUs and leave 0 for non-realtime CPUs. >> >> Paolo > > HW timer behaviour should be consistent across CPUs, IMO. It's not going to be anyway. Cache line bounces, frequency scaling, presence of higher-priority RT tasks, etc. can cause different response for one CPU over the others. 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