linuxkit/kernel/patches-4.14.x-rt/0296-debugobjects-rt.patch
Tiejun Chen 9a88a5e986 Upgrade -rt patches to v4.14.29-rt25
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2018-03-30 21:10:01 -07:00

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
@@ -336,7 +336,10 @@ 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);