Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries

Sudeep Holla
2018-12-03T16:46:57Z

On Thu, Nov 29, 2018 at 03:28:17PM -0800, Atish Patra wrote:
> From: Sudeep Holla <sudeep.holla@arm.com>
>
> The current ARM DT topology description provides the operating system
> with a topological view of the system that is based on leaf nodes
> representing either cores or threads (in an SMT system) and a
> hierarchical set of cluster nodes that creates a hierarchical topology
> view of how those cores and threads are grouped.
>
> However this hierarchical representation of clusters does not allow to
> describe what topology level actually represents the physical package or
> the socket boundary, which is a key piece of information to be used by
> an operating system to optimize resource allocation and scheduling.
>
> Lets add a new "socket" node type in the cpu-map node to describe the
> same.
>
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Thanks for picking this up and putting it as part of your unification
work. I will try to test the series and review it soon.

--
Regards,
Sudeep