Re: [Xen-devel] Re: Linux Stubdom Problem

[Tim Deegan <tim@xxxxxxx>]

At 13:27 +0100 on 29 Aug (1314624464), Stefano Stabellini wrote:
> > So it is; I had misremembered the interface.  GNTTABOP_map_grant_ref is 
> > the hypercall to map granted pages into the p2m. 
> 
> Are you sure? I think that GNTTABOP_map_grant_ref maps foreign granted
> pages into our own domain, in fact it takes a domid and a grant table
> reference as input parameters to specify the source page, host_addr is
> the destination in our own domain.

Oh, so it will.  You'd need to arrange for that to be called from inside
the guest; or you could implement an add_to_physmap space for it; that
could be called from another domain.

Tim.

-- 
Tim Deegan <tim@xxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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