On 29-08-23, 14:01, Viresh Kumar wrote: > Why exactly does the kernel crash here ? Any idea ? Also note that cpufreq core has enough locking in place to make sure two ->target_index() function calls don't run in parallel for the same policy. What may be happening in your case is that you are configuring a common entity (CCI) from both the policies and there is no locking in place to take care of the races. -- viresh