message: don't use cfg because it remove any code
diff: @@ -337,8 +337,12 @@ impl PerCoreScheduler {
  irqsave(|| {
  let task = get_task_handle(id).ok_or(())?;
  + #[cfg(feature = "smp")]
  + let other_core = task.get_core_id() != self.core_id;
  + #[cfg(not(feature = "smp"))]
  + let other_core = false;
  - if cfg!(feature = "smp") && task.get_core_id() != self.core_id {
  + if other_core {
  warn!("Have to change the priority on another core");
  } else if self.current_task.borrow().id == task.get_id() {
  self.current_task.borrow_mut().prio = prio;
  