On 19.02.20 17:17, David Hildenbrand wrote: > This is the follow up of > "[PATCH RFC] memory: Don't allow to resize RAM while migrating" [1] > > This series contains some (slightly modified) patches also contained in: > "[PATCH v2 fixed 00/16] Ram blocks with resizable anonymous allocations > under POSIX" [2] > That series will be based on this series. The last patch (#13) in this > series could be moved to the other series, but I decided to include it in > here for now (similar context). > > I realized that resizing RAM blocks while the guest is being migrated > (precopy: resize while still running on the source, postcopy: resize > while already running on the target) is buggy. In case of precopy, we > can simply cancel migration. Postcopy handling is more involved. Resizing > can currently happen during a guest reboot, triggered by ACPI rebuilds. > > Along with the fixes, some cleanups. > > [1] https://lkml.kernel.org/r/20200213172016.196609-1-da...@redhat.com > [2] https://lkml.kernel.org/r/20200212134254.11073-1-da...@redhat.com >
I'm working on some reworks/cleanups and some testing (with virtio-mem because there it's easy to trigger resizes). So whoever wants to have a look, better to wait for the updated series :) -- Thanks, David / dhildenb
