RE: Nested virtualization without nested vmx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Olivier Berghmans wrote:
> Hi,
> 
> Thanks for the reply. I have a Intel Q9550 processor. EPT was
> introduced in the Nehalem series, where my processor is not part of.
> Based on that, I conclude that I am not using EPT and thus using
> shadow page tables.
> 
> The problem of running (for example) a VirtualBox guest inside a KVM
> guest is a problem in the use of the shadow page tables? Is there a
> way I can test or confirm this so that I can know what exactly is the
> problem with the shadow page tables? Using EPT (in a Nehalem
> processor) the nesting might work without the nested vmx support in
> KVM?
> 

Base on the experience done in Xen side, I suspect the issue you saw is in shadow page table side. 
With EPT or NPT, the complicated shadow page table is removed, so you may avoid those issues and see something different.

Eddie--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux