On Tue, Jul 05, 2022 at 08:04:31PM +0100, Conor Dooley wrote: > From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > It was reported to me that the Hive Unmatched incorrectly reports > its topology to hwloc, but the StarFive VisionFive did in [0] & > a subsequent off-list email from Brice (the hwloc maintainer). > This turned out not to be entirely true, the /downstream/ version > of the VisionFive does work correctly but not upstream, as the > downstream devicetree has a cpu-map node that was added recently. > > This series adds a cpu-map node to all upstream devicetrees, which > I have tested on mpfs & fu540. The first patch is lifted directly > from the downstream StarFive devicetree. > Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> I would recommend to have sane defaults in core risc-v code in case of absence of /cpu-map node as it is optional. The reason I mentioned is that Conor mentioned how the default values in absence of the node looked quite wrong. I don't know if it is possible on RISC-V but on ARM64 we do have default values if arch_topology fails to set based on DT/ACPI. -- Regards, Sudeep
