> On Mon, Jun 13, 2016 at 06:16:49PM +0800, Liang Li wrote: > > After sending out the request for free pages, live migration process > > will start without waiting for the free page bitmap is ready. If the > > free page bitmap is not ready when doing the 1st > > migration_bitmap_sync() after ram_save_setup(), the free page bitmap > > will be ignored, this means the free pages will not be filtered out in > > this case. > > The current implementation can not work with post copy, if post copy > > is enabled, we simply ignore the free pages. Will make it work later. > > > > Signed-off-by: Liang Li <liang.z.li@xxxxxxxxx> > > Tying migration to balloon in this way seems rather ugly. > So with request ID, the logic would basically be > > - add memory listener with high priority > - before sync bitmap, increment request id > - when we get response, if it has latest request id, > clear qemu migration bitmap > otherwise, ignore Use the request ID is good. Could you elaborate the meaning of ' add memory listener with high priority ' ? Thanks! Liang -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
