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Re: [Xen-devel] [V6 PATCH 6.1/7] pvh dom0: Add and remove foreign pages



On Fri, 2013-12-06 at 18:34 -0800, Mukesh Rathor wrote:
> New version of the patch with xenmem_rem_foreign_from_p2m() created:
> 
> In this patch, a new function, xenmem_add_foreign_to_p2m(), is added
> to map pages from foreign guest into current dom0 for domU creation.
> Such pages are typed p2m_map_foreign. Another function
> xenmem_rem_foreign_from_p2m() is added to remove such pages. Note, in
> the remove path, we must release the refcount that was taken during
> the map phase.

Thanks, the common code portions are much cleaner with this approach and
the ARM stubs look fine for now.

I noticed that you enforce that the domain is foreign, and assert on
teardown, which I think is a good idea. I don't think we do this on ARM
right now -- Julien do you think we should do this? If yes can you
arrange to do it in your series?

Ian.


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