[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Running KVM inside pure Qemu?
|
From: |
Paolo Bonzini |
|
Subject: |
Re: [Qemu-devel] Running KVM inside pure Qemu? |
|
Date: |
Sun, 27 Apr 2014 09:37:09 -0400 (EDT) |
> >>
> >> oh great! do we suppport EPT, VCMS shadow yet?
> >
> > No nested page tables, and VMCS shadow is only supported by Intel
> > processors not AMD.
>
> Oh, I always think that without EPT, it would not be possible to have
> nested VMX. Am I wrong here?
No, it's just slower. The nested hypervisor uses shadow page tables,
and the host can either shadow *those* page tables or use EPT.
Also, note it's not VMX. It's AMD, hence it uses the SVM instruction
extensions.
Paolo