On Thu, Sep 22, 2022 at 04:56:21PM +0100, Dr. David Alan Gilbert wrote: > * Peter Xu (pet...@redhat.com) wrote: > > It's not supported since the 1st day, as ram_load_postcopy does not handle > > RAM_SAVE_FLAG_XBZRLE. Mark it disabled explicitly. > > We've already got a check in ram_save_page: > > if (rs->xbzrle_enabled && !migration_in_postcopy()) { > pages = save_xbzrle_page(rs, &p, current_addr, block, > offset); > > so that's supposed to allow you to enable xbzrle with postcopy and take > advantage of xbzrle during the precopy phase.
Ah! Makes sense. I'll drop this one. -- Peter Xu