Xen 4.12 just landed
-
https://xenproject.org/2019/04/02/whats-new-in-xen-4-12/
In short:
- 1446 commits from 364 patches
- possibility to build for PV or HVM/PVH only (reducing attack surface)
- QEMU deprivilege (also reducing attack surface)
- Argo (new inter-domain communication, @ronan-a will take a look)
- Improved VM introspection (less overhead)
- Credit 2 schedule by default
- PVH dom0 in tech preview
- Better IOMMU mapping for improved EPYC boot time
- auto dom0 sizing (% of total system RAM or static+percent)
Details: https://wiki.xenproject.org/wiki/Xen_Project_4.12_Feature_List
