Re: [Xen-devel] [PATCH v4 1/6] xen: improve changes to xen_add_to_physmap

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

(forgot to CC Mukesh on y last mail like I said it would, I've done it
now and will bounce the last one to you Mukesh)

On Fri, 2012-09-14 at 13:59 +0100, Ian Campbell wrote:
> 
> Might we prefer to have a batched version of this call? I don't think
> we can shoehorn the necessary fields into xen_add_to_physmap_t though.

Actually, talking about this we Stefano we think we can. Since both idx
and gpfn are unsigned longs they can become unions with a GUEST_HANDLE
without changing the ABI on x86_32 or x86_64.

If we do this then we should do away with the singleton
XENMAPSPACE_gmfn_foreign and just make it a batched interface.

Ian.


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