locking/lockdep: Reduce header dependencies in <linux/debug_locks.h>
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Sun, 15 Aug 2021 21:28:17 +0000 (23:28 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 17 Aug 2021 15:29:10 +0000 (17:29 +0200)
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>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211303.484161136@linutronix.de
include/linux/debug_locks.h

index edb5c186b0b7ae6a52c0ac19f84141f7cbc72f5f..3f49e65169c6db36eed63ab8523fc068aa3b04ed 100644 (file)
@@ -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;