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RE: [Xen-devel] how to tell if a DomU (HVM) touches a specific address


  • To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Sun, 21 Jun 2009 19:49:21 +1000
  • Cc:
  • Delivery-date: Sun, 21 Jun 2009 02:49:52 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acnxoi/436h/xiRTRvOpbmxuVtQm+QApQkOaAAOQmUA=
  • Thread-topic: [Xen-devel] how to tell if a DomU (HVM) touches a specific address

> 
> Is the physical address RAM? If there is no physical page at that
address
> then accesses in that range will trap to qemu and you could pick them
up
> there.
> 

What's the best place to do that? I've had a little look and can't find
where the trap would 'come in'.

Thanks

James

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