It's found when reading the Doc. In a SMP system, the hierarchy of CPUs now can be defined through four not three entities (socket/cluster/core/thread), so correct the statement to avoid possible confusion. Since we are already there, also drop an extra space and tweak the title alignment. No real context change at all. Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx> Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> Signed-off-by: Yanan Wang <wangyanan55@xxxxxxxxxx> --- Documentation/devicetree/bindings/cpu/cpu-topology.txt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/cpu/cpu-topology.txt b/Documentation/devicetree/bindings/cpu/cpu-topology.txt index 9bd530a35d14..8b23a98c283c 100644 --- a/Documentation/devicetree/bindings/cpu/cpu-topology.txt +++ b/Documentation/devicetree/bindings/cpu/cpu-topology.txt @@ -6,7 +6,7 @@ CPU topology binding description 1 - Introduction =========================================== -In a SMP system, the hierarchy of CPUs is defined through three entities that +In a SMP system, the hierarchy of CPUs is defined through four entities that are used to describe the layout of physical CPUs in the system: - socket @@ -75,7 +75,7 @@ whose bindings are described in paragraph 3. The nodes describing the CPU topology (socket/cluster/core/thread) can only be defined within the cpu-map node and every core/thread in the -system must be defined within the topology. Any other configuration is +system must be defined within the topology. Any other configuration is invalid and therefore must be ignored. =========================================== @@ -91,9 +91,9 @@ cpu-map child nodes which do not share a common parent node can have the same name (ie same number N as other cpu-map child nodes at different device tree levels) since name uniqueness will be guaranteed by the device tree hierarchy. -=========================================== +============================================ 3 - socket/cluster/core/thread node bindings -=========================================== +============================================ Bindings for socket/cluster/cpu/thread nodes are defined as follows: -- 2.19.1