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[Xen-devel] Status of nestedhvm (on Intel)

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Christian Tramnitz <chris.ace@xxxxxxx>
  • Date: Mon, 16 Apr 2012 15:27:32 +0000 (UTC)
  • Delivery-date: Mon, 16 Apr 2012 15:28:10 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

May I ask what the current nestedhvm status in Xen 4.1 is? The parameter exists,
the documentation just says that only previously existent cpu features will be
passed through, but I can't seem to get a VM with "vmx" (for testing of ESX or
Hyper-V in a Xen domU) working. "nestedhvm=1" seems just to be ignored...

Is this AMD-only in 4.1? Are additional CPU host features required to make this
work (like EPT, which I do have on this Xeon 5520 box or "Shared EPT" that I
dont have but could be AMD related anyway)? Do I need unstable to make use of 


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