Messages in this thread | | | Date | Fri, 11 Dec 2020 16:35:55 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH] arm64: topology: Cleanup init_amu_fie() a bit |
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On 10-12-20, 10:38, Ionela Voinescu wrote: > Basically, that's functions purpose is only to make sure that invariance > at the level of the policy is consistent: either all CPUs in a policy > support counters and counters will be used for the scale factor, or > either none or only some support counters and therefore the default > cpufreq implementation will be used (arch_set_freq_scale()) for all CPUs > in a policy.
Why is it important to have this thing at policy level ? If we are okay with only one policy having AMUs and not the other one, then what about only some CPUs of both the policies having it. Does it break anything ?
-- viresh
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