On 17.04.20 12:29, Michael S. Tsirkin wrote: > On Fri, Apr 17, 2020 at 12:26:24PM +0200, David Hildenbrand wrote: >> On 17.04.20 12:19, Michael S. Tsirkin wrote: >>> On Fri, Apr 17, 2020 at 12:09:38PM +0200, David Hildenbrand wrote: >>>> > What do you call "hinting ends" though? The fact we put >>>>> a page in the VQ is not a guarantee that it's been consumed >>>>> by the hypervisor. >>>>> >>>> >>>> I'd say hinting ends once the hypervisor sets FREE_PAGE_REPORT_S_DONE. >>> >>> Can't find that one anywhere. what did I miss? >> >> Sorry, the QEMU implementation is confusing. FREE_PAGE_REPORT_S_DONE is >> translated to VIRTIO_BALLOON_CMD_ID_DONE > > Well VIRTIO_BALLOON_CMD_ID_DONE just means "don't give me any > more hints, I finished migration". > Guest will stop hinting even without that once it scans all > free memory. Yeah, that's the end of the whole process where you can be sure the host processed all requests definetly. -- Thanks, David / dhildenb _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
