-#define IRQ_UNLOCK(flags) do { flags=0; hostsim_lock(); } while(0)
-#define IRQ_LOCK(flags) do { flags=0; hostsim_unlock(); } while(0)
+#define IRQ_UNLOCK(flags) do { flags=0; /* hostsim_lock(); */ } while(0)
+#define IRQ_LOCK(flags) do { flags=0; /* hostsim_unlock(); */ } while(0)