Thanks! I would add your Signed-off-by: Andy Chiu <andy.chiu@xxxxxxxxxx> as the first author, next. On Sat, Sep 17, 2022 at 9:32 AM Andy Chiu <andy.chiu@xxxxxxxxxx> wrote: > > Yes, by disabling preemption and ensuring all sub-functions called by > the busy waiting loop of stop_machine, which happens to be true on > non-preemptive kernels, solve the problem from the original > implementation. > > Andy Chiu <andy.chiu@xxxxxxxxxx> -- Best Regards Guo Ren