Files
linuxkit/kernel/patches-4.19.x-rt/0195-debugobjects-Make-RT-aware.patch
Tiejun Chen ee4ebc7f2a update -rt to 4.19.50-rt22
Signed-off-by: Tiejun Chen <tiejunc@vmware.com>
2019-06-18 16:39:12 -07:00

32 lines
867 B
Diff

From f4fdeabd2e1324863707187f288ee4c544046192 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: [PATCH 195/268] 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 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);
--
2.20.1