On Mon, Jul 17, 2017 at 03:42:38PM +0200, Juan Quintela wrote: > Each time that we sync the bitmap, it is a possiblity that we receive > a page that is being processed by a different thread. We fix this > problem just making sure that we wait for all receiving threads to > finish its work before we procedeed with the next stage. > > We are low on page flags, so we use a combination that is not valid to > emit that message: MULTIFD_PAGE and COMPRESSED.
Btw, would it be possible that we introduce a new QEMU_VM_COMMAND for this flush operation? Like: MIG_CMD_MULTIFD_FLUSH? -- Peter Xu
