On 20/10/2017 16:09, Andi Kleen wrote: >> Unfortunately that's not possible in general. Windows uses the periodic >> timer to track wall time (!), so if you do that your clock is going to >> be late when you resume the guest. > > But when the guest cannot execute instructions > it cannot see whatever the handler does. > > So the handler could always catch up after stopping for longer, > without making any difference. You may be right... you should get the interrupt storm *after continuing* the guest, but not while it's stopped. Paolo >> >> But yeah, we might have to figure out a way to do that for non-Windows >> guests. But why is the RTC periodic timer on at all in your setup? > > Sorry this one was actually a Windows guest. > > I'll check the Linux guests too. > > -Andi >
