On Thu, Jan 6, 2022 at 4:55 PM Borislav Petkov <bp@xxxxxxxxx> wrote: > > On Thu, Jan 06, 2022 at 10:55:20PM +0800, Huang Rui wrote: > > I just thought the CPPC function should be able to work on single core even > > SMP is disabled. > > Why, because SMP=n is a real use case?! And why can't it be a real use case? > FWIW, we were even speculating on removing SMP=n so how practical is > using CPPC on SMP=n at all? The honest answer is that we don't know. Moreover, AFAICS the requisite #ifdeffery is there already and the problem is that the init_freq_invariance_cppc() defined in smpboot.c is not exported to modules and the CPPC code is modular in this build.
