Re: [PATCH] cpufreq: schedutil: Don't consider freq reduction to busy CPU if need_freq_update is set

[Yue Hu]

On Fri, 19 Feb 2021 09:39:33 +0530
Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:

> On 19-02-21, 11:38, Yue Hu wrote:
> > There's a possibility: we will use the previous freq to update if
> > next_f is reduced for busy CPU if need_freq_update is set in
> > sugov_update_next_freq().  
> 
> Right.
> 
> > This possibility would happen now? And this
> > update is what we want if it happens?  
> 
> This is exactly what we want here, don't reduce speed for busy CPU,

I understand it should not skip this update but set the same freq as
previous one again for the specail case if need_freq_update is set. Am
i rt?

> but we also need to make sure we are in the policy's valid range
> which cpufreq core will take care of.
> 
> > This is related to another possible patch ready to send.  
> 
> I am not sure what's there to send now.

I will send later after figure out the doubt above.

>