[PATCH v12 0/6] ACPI: Support Generic Initiator proximity domains

Rafael J. Wysocki rafael at kernel.org
Fri Oct 2 12:55:06 EDT 2020


On Wed, Sep 30, 2020 at 4:07 PM Jonathan Cameron
<Jonathan.Cameron at huawei.com> wrote:
>
> It would be very nice to finally merge this support during the next cycle,
> so please take a look.
>
> I think we need acks covering x86, ARM and ACPI.  Rafael took a look back
> in November at v5 and was looking for x86 and ARM acks.  Whilst there is
> no ARM specific code left we probably still need an Ack.  If anyone is
> missing from the cc list, please add them.
>
> Introduces a new type of NUMA node for cases where we want to represent
> the access characteristics of a non CPU initiator of memory requests,
> as these differ from all those for existing nodes containing CPUs and/or
> memory.
>
> These Generic Initiators are presented by the node access0 class in
> sysfs in the same way as a CPU. It seems likely that there will be
> usecases in which the best 'CPU' is desired and Generic Initiators
> should be ignored.  The final few patches in this series introduced
> access1 which is a new performance class in the sysfs node description
> which presents only CPU to memory relationships.  Test cases for this
> are described below.

The whole series has been applied as 5.10 material.

If anyone has concerns or objections, please let me know ASAP.

Thanks!



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