[PATCH v2 1/5] PM: domains: Add GENPD_FLAG_RT_SAFE for PREEMPT_RT

[Sebastian Andrzej Siewior]

On 2023-01-06 15:52:57 [+0100], Krzysztof Kozlowski wrote:
> > Just so I don't get this wrong, since the cpuidle-psci also calls
> > pm_runtime_* functions so it isn't PREEMPT_RT safe, at least not yet?
> 
> You are correct. Patch 3 here addresses it by... just not doing runtime
> PM. This is a hacky workaround but:
> 1. I don't have any other idea,
> 2. It's not a big problem because RT systems are not supposed to have
> any CPU idle (one of first things during RT system tuning is to disable
> cpuidle).

so you say you use idle=poll instead? 

> Best regards,
> Krzysztof

Sebastian