patches/debugobjects-rt.patch

Subject: debugobjects: Make RT aware
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 lib/debugobjects.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -308,7 +308,10 @@ static void
 	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);