Saw this while doing a 'make oldconfig' moving from -mmotm0827 to -mmotm0903: RCU Implementation > 1. Tree-based hierarchical RCU (TREE_RCU) 2. Preemptable tree-based hierarchical RCU (TREE_PREEMPT_RCU) (NEW) choice[1-2]: ? There is no help available for this kernel option. Prompt: RCU Implementation Defined at init/Kconfig:329 Location: -> General setup -> RCU Subsystem Selected by: m [=m] Where did that 'Selected by:' come from? Or is that just an artifact of the way Kconfig implements 'choice'?
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