> > > > > 5) About log sync, why not register log_global_start/stop in > > vfio_memory_listener? > > > > > > > > seems log_global_start/stop cannot be iterately called in pre-copy phase? > > for dirty pages in system memory, it's better to transfer dirty data > > iteratively to reduce down time, right? > > > > We just need invoking only once for start and stop logging. Why we need to call > them literately? See memory_listener of vhost. > the dirty pages in system memory produces by device is incremental. if it can be got iteratively, the dirty pages in stop-and-copy phase can be minimal. :) > Regards, > -Gonglei
