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SubjectRe: [v8 PATCH 2/8]: cpuidle: implement a list based approach to register a set of idle routines.
Peter Zijlstra <> writes:
> So does it make sense to have a set of sets?
> Why not integrate them all into one set to be ruled by this governor
> thing?

cpuidle is currently optional, that is why the two level hierarchy
is there so that you can still have simple idle selection without it.

% size drivers/cpuidle/*.o
text data bss dec hex filename
5514 1416 44 6974 1b3e drivers/cpuidle/built-in.o

Adding it unconditionally would add ~7k to everyone who wants idle functions.

I think making it unconditional would require putting it on a serious
diet first.

-- -- Speaking for myself only.

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