From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: debugobjects: Make RT aware
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
Git-commit: a1c796d207b80663a58e7cbf3add171ae963d079
Patch-mainline: Queued in subsystem maintainer repository
References: SLE Realtime Extension

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

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

--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -334,7 +334,10 @@ __debug_object_init(void *addr, struct d
 	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);