Hello Humble Stackoverflow users,
According to this XEN article, PVH mode keeps all components paravirtualized except Pagetables - "but instead of requiring PV MMU (often called paravirtualized page tables), it uses the HVM hardware extensions to virtualize the pagetables".
Accoring to link i've provided above and wiki, you can learn that Pagetables are heavily connected with CPU workflow. However, following article sais that HVM hardware Extensions are providing CPU virtualization - "Technically speaking, HVM refers to a set of extensions that make it much simpler to virtualize one component: the processor."
At the end all this left me in confused state.
Does XEN PVH mode requires Intel VT-x or AMD-V HW virtualization or not?
Regards,
Leshcat
pvh only works with intel vt for now and there is no support for 32bit guests yet, as you can see in the readme
http://xenbits.xen.org/docs/unstable/misc/pvh-readme.txt Following remain to be done for PVH: AMD port.
https://blog.xenproject.org/2015/01/15/less-is-more-in-the-new-xen-project-4-5-release/
PVH initial domain support for Intel has been added and now supports running as dom0 and FreeBSD with Linux platforms