+#define CONFIG_KERN_PREEMPT (1 && CONFIG_KERN_SCHED && CONFIG_KERN_TIMER)
+
+/* OBSOLETE */
+#define CONFIG_KERN_PREEMPTIVE CONFIG_KERN_PREEMPT
+
+/// Time sharing quantum in timer ticks.
+#define CONFIG_KERN_QUANTUM 50
+
+/// Module logging level.
+#define KERN_LOG_LEVEL LOG_LVL_ERR