Re: [PATCH] x86/pvclock-xen: zero last_value on resume

2010-11-26 Thread Jeremy Fitzhardinge
On 11/26/2010 02:40 AM, Ingo Molnar wrote: > * Jeremy Fitzhardinge wrote: > >> On 10/26/2010 09:59 AM, Jeremy Fitzhardinge wrote: >>> If the guest domain has been suspend/resumed or migrated, then the >>> system clock backing the pvclock clocksource may revert to a smaller >>> value (ie, can be no

Re: [PATCH] x86/pvclock-xen: zero last_value on resume

2010-11-26 Thread Ingo Molnar
* Jeremy Fitzhardinge wrote: > On 10/26/2010 09:59 AM, Jeremy Fitzhardinge wrote: > > > > If the guest domain has been suspend/resumed or migrated, then the > > system clock backing the pvclock clocksource may revert to a smaller > > value (ie, can be non-monotonic across the migration/save-rest