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Subject: locking/lockdep: Reduce includes in debug_locks.h
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue Jul 6 16:36:48 2021 +0200
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
The inclusion of printk.h leads to a circular dependency if spinlock_t is
based on rtmutexes on RT enabled kernels.
Include only atomic.h (xchg()) and cache.h (__read_mostly) which is all
what debug_locks.h requires.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/debug_locks.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index edb5c186b0b7..3f49e65169c6 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -3,8 +3,7 @@
#define __LINUX_DEBUG_LOCKING_H
#include <linux/atomic.h>
-#include <linux/bug.h>
-#include <linux/printk.h>
+#include <linux/cache.h>
struct task_struct;
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