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Re: [Xen-devel] [PATCH 3 of 7] Use a reserved pfn in the guest address space to store mem event rings

At 07:47 +0000 on 01 Mar (1330588073), Ian Campbell wrote:
> > > Is there no scope for making these pages owned by the domain but not
> > > actually part of the P2M? We can cope with that for other types of magic
> > > page, can't we?

It would need a new operation to map the ring into the tool that uses
it; normal map-foreign-page ops need a GFN.

But that sounds like a good idea all the same.


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