On Fri, Jan 22, 2021 at 13:50:21 +0100, Michal Privoznik wrote: > Technically, this is another version of: > > https://www.redhat.com/archives/libvir-list/2020-December/msg00199.html > > But since virtio-pmem part is pushed now, I've reworked virtio-mem a bit > and sending it as a new series. > > For curious ones, David summarized behaviour well when implementing > virtio-mem support in kernel: > > https://lwn.net/Articles/755423/ > > For less curious ones: > > # virsh update-memory $dom --requested-size 4G > > adds additional 4GiB of RAM to guest; > > # virsh update-memory $dom --requested-size 0 > > removes those 4GiB added earlier. > > Patches are also available on my GitLab: > > https://gitlab.com/MichalPrivoznik/libvirt/-/tree/virtio_mem_v3 > Patches 1-7,9-10 (but observe some individual comments, including the rename of the virsh commands): Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx> Patch 8 has severe semantic problems.
