On 12/17/12 15:23, Hans de Goede wrote: > Hi, > > On 12/17/2012 02:16 PM, Gerd Hoffmann wrote: >> On 12/14/12 14:35, Hans de Goede wrote: >>> Note that a shadow variable is used instead of changing frindex to >>> uframe accuracy because we must send a frindex which is a multiple of 8 >>> during migration for migration compatibility, and rounding it down to >>> a multiple of 8 pre-migration, can lead to frindex going backwards from >>> the guest pov. >> >> Jumping forward instead? > > You mean rounding the send frindex up pre-migration, I didn't really > consider > that as it will cause us skipping processing an entry in the periodic frame > list. I guess doing that on migration isn't too bad. OTOH giving the guest > only frame accuracy like we've been doing till now also works fine... > > Your choice :)
I'm looking for a way to avoid the shadow variable, but of course without breaking migration. giving the guest only frame accuracy looks good to me. cheers, Gerd
