* Peter Maydell (peter.mayd...@linaro.org) wrote: > On 29 May 2015 at 11:34, Dr. David Alan Gilbert <dgilb...@redhat.com> wrote: > > It's the destination I'm worried about here, not the source; lets say > > you have two devices, a & b. 'a' gets serialised, but then 'b' finds > > it has to wait, so we return to running the source and sending pages > > across. However the destination has already loaded the 'a' device state; > > so that when we serialise again we send a new 'a' device state'; I'm > > worrying here that the destination 'a' state loader would get upset > > trying to load the same state twice without somehow resetting it. > > You would need to reset the system before resending device state, > I think. Device implementations rely on knowing that migration happens > into a freshly reset device, and we don't have any way of resetting > a single device, only the whole system at once.
I don't think you can do a device (or certainly not a system) reset without resending the contents of RAM which was the whole point of not restarting the migration from the beginning. Dave > > -- PMM -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
