On Mon, 2007-05-28 at 20:54 -0500, Anthony Liguori wrote:
> Howdy,
> 
> Does anyone know what the state of a pv_ops backend for KVM is?  I know 
> Ingo has an implementation that implements CR3 caching but I don't see 
> any branches in Avi's git tree.
> 
> Perhaps we should try for a simple pv_ops backend for 2.6.23 seeing as 
> how the host infrastructure is there?  I'd be willing to do some leg 
> work here...

"Me too".  It's at least worth toying with the mmu batching stuff to see
if that can shave some cycles there: it seems that cr3 caching is the
main win for context switch so batching there won't help.

IIRC Ingo used a magic MSR to detect kvm, and there was a question mark
over that.  VMI uses a different technique, which is probably worth
considering...

Cheers,
Rusty.


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