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

[Julien Grall <Julien.Grall@xxxxxxx>]

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?

Cheers,

-- 
Julien Grall
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