Re: [Xen-devel] [PATCH v3 03/14] xen: arm: allocate dom0 memory separately from preparing the dtb

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 11/11/2013 12:12 PM, Ian Campbell wrote:
> On Mon, 2013-11-11 at 12:08 +0000, Julien Grall wrote:
>> On 11/08/2013 09:36 AM, Ian Campbell wrote:
>>> On Thu, 2013-11-07 at 23:18 -0800, Julien Grall wrote:
>>> I think
>>>     / {
>>>             "memory" {
>>>                     #address-cells = 2;
>>>                     #size-cells = 2;
>>>                     device_type = "memory";
>>>                     reg = <...>;
>>>             }
>>>     }
>>>
>>> Won't work because the #foo-cells only applies to children.
>>>
>>> I could do
>>>     / {
>>>             "memory" {
>>>                     #address-cells = 2;
>>>                     #size-cells = 2;
>>>                     "memory@foo" {
>>>                             device_type = "memory"
>>>                             reg = <...>;
>>>                     }
>>>             }
>>>     }
>>>
>>> which puts the size under my control.
>>
>> I have noticed that we have the same issue on the other nodes (gic,
>> timer,...).
> 
> The timer node at least doesn't have any regions, does it? But for gic
> yes this is trouble.
> 
>> Perhaps we can create a node "xen" which contains all the
>> devices?
> 
> Would it be bogus to put them in the existing hypervisor node?

I don't think so.

-- 
Julien Grall

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