Re: [Xen-devel] [XEN PATCH v1] libxl: Add DTB compatible list to config file

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Fri, 11 Oct 2019, Julien Grall wrote:
> Hi,
> 
> On 11/10/2019 16:23, Ian Jackson wrote:
> > Oleksandr Grytsov writes ("[PATCH v1] libxl: Add DTB compatible list to
> > config file"):
> > > From: Oleksandr Grytsov <oleksandr_grytsov@xxxxxxxx>
> > > 
> > > Some platforms need more compatible property values in device
> > > tree root node in addition to "xen,xenvm-%d.%d" and "xen,xenvm"
> > > values that are given by Xen by default.
> 
> I am pretty sure I have seen this patch a few years ago, but I can't find it
> in my inbox. What is the exact problem here?
> 
> > > Specify in domain configuration file which values should be added
> > > by providing "dtb_compatible" list of strings separated by comas.
> > 
> > Hi, thanks.
> > 
> > I don't have an opinion about the principle of this and would like to
> > hear from ARM folks about that.
> > 
> > Also, Stefano, Julien: should we be asking for a freeze exception for
> > this for 4.13 ?
> 
> I don't have enough context to understand the exact issue he is trying to
> solve.

Same here. Is this patch needed because on some platform the OS checks
for the platform "model" (also known as "machine name") on device tree
before continuing or to trigger a difference behavior?

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