On Mon, Aug 08, 2011 at 13:48:59 +0200, Jiri Denemark wrote: > Hi, > > AFAIK this topic is not new but I think we still do not have a good solution > for it. Libvirt already supports specifying what CPU and its features a guest > should see but imagine one wants to run a guest on the best possible CPU. The > current way is to copy the <cpu> element from capabilities XML into domain > XML. This approach is fine since it provides reproducible environment and such > domain can even be migrated to a different host. But the CPU shown provided to > a guest is not the same as the real host CPU. It's based on a model which > doesn't reflect all aspects of real CPUs. Ideally, we would model everything > but that's quite complicated and may need updating anytime a new CPU is > introduced. There have been no comments on this so far. Perhaps the topic is not so controversial as I thought it was. But more likely it's just that people are busy with other things. IIRC, Daniel used to have a strong opinion on this matter, is that right? Jirka -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list