On Tue, 2010-10-26 at 10:14 +0200, Avi Kivity wrote: > On 10/26/2010 01:30 AM, Jeremy Fitzhardinge wrote: > > Unfortunately this is breaking Xen save/restore: if you restore on a > > host which was booted more recently than the save host, causing the > > system time to be smaller. The effect is that the domain's time leaps > > forward to a fixed point, and stays there until the host catches up to > > the source host... > > Shouldn't save/restore also save the timebase? > > > I guess last_time needs to be reset on this type of event. I guess the > > cleanest way would be for pvclock.c to register a sysdev suspend/resume > > handler. > > Should be for Xen only; kvm save/restore doesn't involve the guest. the suspend/resume path do adjust the time base. Maybe something similar should be done ? -- 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
