Re: [Xen-devel] [PATCH v2 26/41] arm : acpi add xen environment table

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.05.15 at 12:34, <julien.grall@xxxxxxxxxx> wrote:
> On 21/05/15 07:22, Jan Beulich wrote:
>> The linked to document (on our wiki) is versioned 0.<something>,
>> which doesn't look like a final stable version. The same applies to
>> the other (STAO?) one.
> 
> That's a mistake in the version number. Those tables has been reviewed
> by Citrix and Linaro people and we agreed about the final tables.

And Citriy+Linaro are the standardizing body here? With no-one
else involved?

>>> For the device tree, we
>>> include a new node. For ACPI, this table allow us to know the we are
>>> running on Xen.
>> 
>> Which seems superseded by 6.0's hypervisor vendor identification
>> in FADT. And the OEM IDs in various table headers could have
>> served such identification purposes too, as could have "OEMx"
>> tables.
> 
> ACPI 6.0 has been released few months after Parth and Naresh began to
> implement ACPI for Xen. We could take advantage of this new field.

If at all possible - yes please, in favor of any custom tables.

Jan


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