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E.g. all CPUs sharing an L3 cache would be part of the > same domain. > > In preparation for features that are scoped at the NUMA node level > change the code from explicit references to "cache_level" to a more > generic scope. At this point the only options for this scope are groups > of CPUs that share an L2 cache or L3 cache. > > Clean up the error handling when looking up domains. Report invalid id's > before calling rdt_find_domain() in preparation for better messages when > scope can be other than cache scope. This means that rdt_find_domain() > will never return an error. So remove checks for error from the callsites. > > Signed-off-by: Tony Luck > --- Reviewed-by: Reinette Chatre Reinette