Messages in this thread | | | Date | Tue, 11 Dec 2018 20:18:04 -0600 | From | Rob Herring <> | Subject | Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries |
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On Thu, 29 Nov 2018 15:28:17 -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> > --- > Documentation/devicetree/bindings/arm/topology.txt | 52 ++++++++++++++++------ > 1 file changed, 39 insertions(+), 13 deletions(-) >
Reviewed-by: Rob Herring <robh@kernel.org>
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