message: Scheduler: Feature-gate is_scheduling
diff: @@ -223,6 +223,7 @@ impl PerCoreScheduler {
  /// Returns `true` if a reschedule is required
  #[inline]
  + #[cfg(feature = "smp")]
  pub fn is_scheduling(&self) -> bool {
  self.current_task.borrow().prio < self.ready_queue.get_highest_priority()
  }
  