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			Now that (PI) futexes have their own private RT-mutex interface and implementation we can easily add lockdep annotations to the existing RT-mutex interface. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
		
			
				
	
	
		
			34 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * RT-Mutexes: blocking mutual exclusion locks with PI support
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|  *
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|  * started by Ingo Molnar and Thomas Gleixner:
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|  *
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|  *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
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|  *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
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|  *
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|  * This file contains macros used solely by rtmutex.c.
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|  * Non-debug version.
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|  */
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| 
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| #define rt_mutex_deadlock_check(l)			(0)
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| #define debug_rt_mutex_init_waiter(w)			do { } while (0)
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| #define debug_rt_mutex_free_waiter(w)			do { } while (0)
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| #define debug_rt_mutex_lock(l)				do { } while (0)
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| #define debug_rt_mutex_proxy_lock(l,p)			do { } while (0)
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| #define debug_rt_mutex_proxy_unlock(l)			do { } while (0)
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| #define debug_rt_mutex_unlock(l)			do { } while (0)
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| #define debug_rt_mutex_init(m, n, k)			do { } while (0)
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| #define debug_rt_mutex_deadlock(d, a ,l)		do { } while (0)
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| #define debug_rt_mutex_print_deadlock(w)		do { } while (0)
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| #define debug_rt_mutex_reset_waiter(w)			do { } while (0)
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| 
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| static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
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| {
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| 	WARN(1, "rtmutex deadlock detected\n");
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| }
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| 
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| static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,
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| 						  enum rtmutex_chainwalk walk)
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| {
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| 	return walk == RT_MUTEX_FULL_CHAINWALK;
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| }
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