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Re: [Xen-devel] ARM-Xen customization of stage two translation.

On 20/05/15 13:05, Mazen Ezzeddine (Student) wrote:
> Thanks so much.
> I will ensure to keep xen-devel cced and avoid top-post. Sorry and thanks for 
> notifying me. 
> However, my use-case will involve a scenario where the the page frames 
> excluded from the second stage translation are to be allocated on the fly 
> (through a slightly modified second stage translation) to a special guest 
> when scheduled. Does mreserve work in such scenario? 

Give a look to {,un}map_mmio_regions and
guest_physmap_add_entry/guest_physmap_remove_page in xen/arch/arm/p2m.c


Julien Grall

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