Re: [patch] SMP alternatives

From: H. Peter Anvin
Date: Wed Nov 23 2005 - 17:39:02 EST

Andi Kleen wrote:
Well, with VTX or Pacifica virtualization is in ring 3. The fact that

Not it's not. The whole point is that there is no "ring compression" The guest has all its normal rings, just the hypervisor has additional
"negative" rings.

Uhm... maybe we think of it differently, but typically I consider the host rings (which is what I talked about above) as orthogonal to the guest ring. To the host, the guest is just a process in ring 3.

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