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Re: [Xen-devel] x86 Community Call - Wed Aug 15, 14:00 - 15:00 UTC - Minutes



>>> On 21.08.18 at 17:28, <yu.c.zhang@xxxxxxxxx> wrote:
> Thanks Lars for the summary, and sorry for the late update.
> 
> My question is about the cpuid policy for MAXPHYSADDR in Xen. 
> 
> It seems Xen is exposing the host MAXPHYSADDR value to HVM as the default 
> choice. And I am wondering, what if a VM is created on a hardware platform 
> with address width A, and later migrated to another platform with address 
> width B? Should this be allowed in Xen?  

Andrew's further leveling work is, afaiu, going to include leveling of
that field as well.

Jan



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