Re: About the kernel configuration(CONFIG_CPU_FREQ and CONFIG_CPU_IDLE.)

2022-01-21 Thread jim . cromie
On Tue, Jan 18, 2022 at 6:23 PM 孙世龙 sunshilong wrote: > > Hi, list > I am using Linux 5.4.78 with PREEMPT_RT patch. > Hardware name: UNO-2372G-J021AE. > > It's strange that the frequency of the CPU is not constant(i.e. > not fixed at a specific frequency) if I both disable CONFIG_CPU_FREQ > and

Re: How to Convert Legacy Kernel Modules for modern Kernels

2022-01-21 Thread Greg KH
On Fri, Jan 21, 2022 at 04:21:18PM +0800, Tianrui Wei wrote: > >> If there're not out of box solutions, is there a way I could view the > >> API changes in every subsystem clearly? For example, this particular > >> commit[^1] shows the second return argument is being removed from > >> ki_complete,