Re: [Xen-devel] [PATCH 4 of 5] Add code to track the address of the VM generation id buffer across a

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> 
> Presumably in this case the tools can find the address by walking
> the ACPI tables, just like the guest OS would. :P  Not very pretty,
> though.
>

Erk, no! That would not be pretty.
 
> I don't think there's anything wrong with putting a GPA into
> xenstore.  All the other tools interactions are in guest-physical
> addressing already.  IIRC HVMloader's xenbus client doesn't have a
> xenstore_write() but it shouldn't be hard to add.
> 

OK, I'll go with that. Re-worked series coming up...

> I can't think of another way to pass data from hvmloader to the
> tools right now -- I think the hvm-info page should probably be
> replaced entirely with xenstore keys at some point.
> 

Yes, that was why I moved acpi_enabled out of there. Didn't really want to put 
something else in there :-)

 Paul

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