linuxkit/kernel/patches-4.14.x-rt/0316-debugobjects-Make-RT-aware.patch
Tiejun Chen a1d47ff766 update -rt to 4.14.53-rt34
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2018-07-06 14:02:07 +08:00

32 lines
867 B
Diff

From e1d4fbd1eb23951873c0023c184cabacc7459575 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
Subject: [PATCH 316/418] 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 2f5349c6e81a..d789930edcc2 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -336,7 +336,10 @@ __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