Re: [PATCH v3] cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT

[Sudeep Holla]

On Wed, Jan 25, 2023 at 11:08:04AM +0100, Ulf Hansson wrote:
> On Wed, 25 Jan 2023 at 08:43, Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> >
> > On 24/01/2023 16:34, Sudeep Holla wrote:

[...]

> > > Any particular reason for even compiling this file in or allowing the
> > > ARM_PSCI_CPUIDLE when PREEMPT_RT=y ? If we can't enter idle states, we
> > > can as well compile this file out ?
> >
> > It's the power domain sued for other devices, so we need it. Otherwise
> > other devices will keep waiting for this missing power domain provider.
> 
> Yes.
> 
> And we are still able to use those idle states that are solely per
> CPU, which is probably nice to have. No?
> 

Makes sense, thanks for the explanation. Also the other discussions clears
probably questions I had.

-- 
Regards,
Sudeep