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Re: [Xen-devel] Page access during migration

  • To: Anthony Nocentino <nocentino@xxxxxxxxx>
  • From: Mike Sun <msun@xxxxxxxxxx>
  • Date: Tue, 27 Jan 2009 17:48:55 -0500
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 27 Jan 2009 14:49:24 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
>        I'm investigating modifying the live migration process. During the
> live migration (xc_domain_save.c) is it possible to get a pointer to a
> guest's page descriptor (struct page)? If this is possible, could you please
> describe the process.

You'd likely have to use a hypercall that could pass you mfn of the
the struct page you're looking for and then map that in.

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