linux/debian/patches-rt/0195-debugobjects-Make-RT-a...

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From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
2019-11-25 00:04:39 +00:00
Subject: [PATCH 195/290] debugobjects: Make RT aware
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=51f4d617b46bda60b9220ca45de034aab6c76877
Avoid filling the pool / allocating memory with irqs off().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
2019-04-08 23:49:20 +00:00
lib/debugobjects.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
2019-04-08 23:49:20 +00:00
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 14afeeb7d6ef..e28481c402ae 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
2019-04-08 23:49:20 +00:00
@@ -376,7 +376,10 @@ __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);