From 95652cba61d4816ec09e6756a7c23a6f9f99b7bb Mon Sep 17 00:00:00 2001
Message-Id: <95652cba61d4816ec09e6756a7c23a6f9f99b7bb.1599166691.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: [PATCH 194/333] debugobjects: Make RT aware
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.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);
 
-- 
2.17.1

