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Re: [REGRESSION] [PATCH v8 6/7] arm/dom0less: assign dom0less guests to cpupools
- To: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Tue, 17 May 2022 13:12:24 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Wei Chen <Wei.Chen@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Wei Liu <wl@xxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>
- Delivery-date: Tue, 17 May 2022 13:12:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [REGRESSION] [PATCH v8 6/7] arm/dom0less: assign dom0less guests to cpupools
Hi Andrew,
> On 17 May 2022, at 14:01, Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx> wrote:
>
> On 06/05/2022 13:00, Luca Fancellu wrote:
>> Introduce domain-cpupool property of a xen,domain device tree node,
>> that specifies the cpupool device tree handle of a xen,cpupool node
>> that identifies a cpupool created at boot time where the guest will
>> be assigned on creation.
>>
>> Add member to the xen_domctl_createdomain public interface so the
>> XEN_DOMCTL_INTERFACE_VERSION version is bumped.
>>
>> Add public function to retrieve a pool id from the device tree
>> cpupool node.
>>
>> Update documentation about the property.
>>
>> Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
>> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
>
> This has broken the Ocaml bindings, and is conceptually wrong.
Ok, can you tell me what to do to update the Ocaml bindings? Do we have some
resources
somewhere?
>
> The cpupool to use is a property of the vcpu, not the domain. It isn't
> legitimately part of createdomain.
I agree with Juergen on that, could you explain it better for me to understand
your point?
>
> ~Andrew
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