linuxkit/kernel/patches-4.19.x-rt/0197-debugobjects-rt.patch
Tiejun Chen 92ebe10a62 enable 4.19.x-rt with preempt-rt Linux 4.19.15
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2019-03-04 13:43:55 -08:00

26 lines
614 B
Diff

Subject: debugobjects: Make RT aware
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
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(-)
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -376,7 +376,10 @@ static void
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);