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xen-devel
Re: [Xen-devel] [rfc] [patch] more 'long' in the hypervisor interface
Hollis Blanchard wrote:
On Thu, 2006-06-29 at 10:37 -0400, Steve Ofsthun wrote:
For X86 there are probably two plans. For paravirtual guests, there is a
strong desire to formalize the existing ABI. This will force the 32-bit
and 64-bit ABIs to remain significantly different. Since the underlying
hypervisors don't allow 32/64 mixed mode guests, there is little reason
to reconcile the two ABIs. If the ABIs were identical today, you still
couldn't run mixed mode guests.
Not sure I follow here. Identical ABIs would enable mixed mode guests,
even if the current implementation doesn't support that, right? So that
sounds like a good goal.
Yes, identical ABIs would enable mixed mode guests. I was just trying to
point out that there are other issues (page table sharing, etc) that would
also need to be addressed before mixed mode PV guests would work.
Steve
--
Steve Ofsthun - Virtual Iron Software, Inc.
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