debugobjects: Make RT aware

Avoid filling the pool / allocating memory with irqs off().

Signed-off-by: Thomas Gleixner <[email protected]>

Author: KAGA-KOKO

lib/debugobjects.c

@@ -308,7 +308,10 @@ __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack)
 	struct debug_obj *obj;
 	unsigned long flags;
 
-	fill_pool();
+#ifdef CONFIG_PREEMPT_RT_FULL
+	if (preempt_count() == 0 && !irqs_disabled())
+#endif
+		fill_pool();
 
 	db = get_bucket((unsigned long) addr);