I'll check it this evening when I'm at a working network again :( "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote: > On 10/26/2010 10:48 AM, Glauber Costa wrote: >> On Tue, 2010-10-26 at 09:59 -0700, 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-restore). >>> Make sure we zero last_value in that case so that the domain >>> continues to see clock updates. >>> >>> [ I don't know if kvm needs an analogous fix or not. ] >> After migration, save/restore, etc, we issue an ioctl where we tell >> the host the last clock value. That (in theory) guarantees >monotonicity. >> >> I am not opposed to this patch in any way, however. > >Thanks. > >HPA, do you want to take this, or shall I send it on? > >Thanks, > J -- Sent from my mobile phone. Please pardon any lack of formatting. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
