On Wed, Jun 04, 2014 at 10:44:48PM +0200, Borislav Petkov wrote: > On Wed, Jun 04, 2014 at 06:34:04PM +0200, Paolo Bonzini wrote: > > That should be the purpose of KVM_GET_EMULATED_CPUID, so MWAIT could be > > added in __do_cpuid_ent_emulated. However, the corresponding QEMU patches > > were never included. Borislav, can you refresh them? > > /me goes and swaps in all the details from the discussion at that > time.... tries to decipher what the whole story was about... > > Well, AFAIR - the operative word being "remember" - Eduardo had a > problem with diffentiating between emulated features and real hw > features and what was being filtered out... here's where the thread > starts: > > http://lkml.kernel.org/r/20130923162856.GC7264@xxxxxxxxxxxxxxxxxxxxxxxx > > I think we remained at that someone, maybe he, would have to clean all > that discrepancy before we do the emulated gunk. Let me CC him. I didn't work on it because of other tasks, and because the GET_SUPPORTED_CPUID code on QEMU needed some cleanup first. Now it should be easy to implement GET_EMULATED_CPUID support in the same way the "migratable" property was implemented[1]. I will send a patch today. [1] See tree at https://github.com/ehabkost/qemu-hacks/tree/work/qom-cpu-fixes -- Eduardo -- 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
