Am 02.09.2009 um 17:38 schrieb oritw@xxxxxxxxxx:
The following patches implement nested VMX support. The patches
enable a guest
to use the VMX APIs in order to run its own nested guest (i.e.,
enable running
other hypervisors which use VMX under KVM).
Copl! Great job here. I was expecting vmcs load/stores to kill
performance, but apparently I was wrong. How did you get those fast?
The current patches support running
Linux under a nested KVM using shadow page table (with bypass_guest_pf
disabled).
What is keeping you from running the other hypervisors, guests?
SMP support was fixed. Reworking EPT support to mesh cleanly with
the current shadow paging design per Avi's comments is a work-in-
progress.
The current patches only support a single nested hypervisor
Why?
, which can only run
a single guest (multiple guests are work in progress). Only 64-bit
nested
hypervisors are supported.
Additional patches for running Windows under nested KVM, and Linux
under nested
VMware server(!),
GSX or ESX? With ESX I was running into TSC timing issues because ESX
didn't like the fact it got preempted :-).
How about Hyper-V and Xen?
Again, great job and congratulations on making this work!
Alex
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