Re: [Xen-devel] [PATCH v4 5/6] xen: arm: map child MMIO and IRQs to dom0 for PCI bus DT nodes.

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 03/07/15 11:59, Ian Campbell wrote:
> On Fri, 2015-06-26 at 19:56 +0200, Julien Grall wrote:
>> I forgot to mention in the previous version that we need to give iomem 
>> permission to the guest. Otherwise DOM0 won't be able to map the BAR 
>> into the guest.
> 
> This boils down to a call to iomem_permit_access in the
> map_range_to_domain callback and moving the need_mapping check down into
> the cb surrouding only the map_mmio_region call but not the
> permis_access one, right?

Correct.

Regards,

-- 
Julien Grall

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