Re: [Xen-devel] [PATCH 0/1] Dom0less guest device tree format

[Julien Grall <Julien.Grall@xxxxxxx>]

On 06/07/2019 19:17, Julien Grall wrote:
> 
> 
> On 06/07/2019 19:02, Will Abele wrote:
>> From: Will Abele <will.abele@xxxxxxxxxx>
>>
>> Hi,
> 
> Hi,
> 
>> I've been using dom0less Xen on the Hikey 960 with a 4.14 Linux 
>> Kernel. I had
>> trouble getting the 4.14 Linux Kernel to boot as a dom0less domU 
>> because it was
>> misinterpreting the device tree version. Linux 4.14 and earlier 
>> interpret device
>> trees with a "/" in the root node as version 16. Xen produces a 
>> version 17
>> device tree, so the root node needs to be "" to work with 4.14 and 
>> earlier Linux
>> Kernels. Linux 4.15 and later assume that the version is 17, so this 
>> patch does
>> not have any impact.
>>
>> Please let me know if you need any more information or have 
>> suggestions for
>> other ways to handle this.
> 
> I don't understand where the version comes from. I also don't understand 
> how you inferred that Xen is creating a version 17 device-tree.
> 
> Do you have link to the paragraph in the specifications?

Also, please expand what is the exact error. So we can understand 
whether this is the right fix.

Cheers,

-- 
Julien Grall
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