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From 5c4fb6885c5d179f96bef4a85057b2cf033879be Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: [PATCH 194/338] debugobjects: Make RT aware
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.193-rt81.tar.xz
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 14afeeb7d6ef..e28481c402ae 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -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);
--
2.31.1
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