Jetpack/kernel/kernel-4.9/rt-patches/0230-debugobjects-Make-RT-a...

32 lines
856 B
Diff

From a0d487075a5a58d05a90f45b0c2727efb5947252 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: [PATCH 230/352] debugobjects: Make RT aware
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(-)
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 88580e8..0e87155 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -311,7 +311,10 @@ __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);
--
2.7.4