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		cfd3ef2346
		
	
	
	
	
		
			
			Introduce spin_lock_irqsave_nested(); implementation from: http://lkml.org/lkml/2006/6/1/122 Patch from: http://lkml.org/lkml/2006/9/13/258 [akpm@osdl.org: two compile fixes] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jiri Kosina <jikos@jikos.cz> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
		
			
				
	
	
		
			62 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __LINUX_SPINLOCK_API_SMP_H
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| #define __LINUX_SPINLOCK_API_SMP_H
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| 
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| #ifndef __LINUX_SPINLOCK_H
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| # error "please don't include this file directly"
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| #endif
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| 
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| /*
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|  * include/linux/spinlock_api_smp.h
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|  *
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|  * spinlock API declarations on SMP (and debug)
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|  * (implemented in kernel/spinlock.c)
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|  *
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|  * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
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|  * Released under the General Public License (GPL).
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|  */
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| 
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| int in_lock_functions(unsigned long addr);
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| 
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| #define assert_spin_locked(x)	BUG_ON(!spin_is_locked(x))
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| 
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| void __lockfunc _spin_lock(spinlock_t *lock)		__acquires(lock);
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| void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
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| 							__acquires(lock);
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| void __lockfunc _read_lock(rwlock_t *lock)		__acquires(lock);
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| void __lockfunc _write_lock(rwlock_t *lock)		__acquires(lock);
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| void __lockfunc _spin_lock_bh(spinlock_t *lock)		__acquires(lock);
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| void __lockfunc _read_lock_bh(rwlock_t *lock)		__acquires(lock);
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| void __lockfunc _write_lock_bh(rwlock_t *lock)		__acquires(lock);
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| void __lockfunc _spin_lock_irq(spinlock_t *lock)	__acquires(lock);
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| void __lockfunc _read_lock_irq(rwlock_t *lock)		__acquires(lock);
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| void __lockfunc _write_lock_irq(rwlock_t *lock)		__acquires(lock);
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| unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
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| 							__acquires(lock);
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| unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
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| 							__acquires(lock);
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| unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
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| 							__acquires(lock);
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| unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
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| 							__acquires(lock);
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| int __lockfunc _spin_trylock(spinlock_t *lock);
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| int __lockfunc _read_trylock(rwlock_t *lock);
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| int __lockfunc _write_trylock(rwlock_t *lock);
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| int __lockfunc _spin_trylock_bh(spinlock_t *lock);
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| void __lockfunc _spin_unlock(spinlock_t *lock)		__releases(lock);
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| void __lockfunc _read_unlock(rwlock_t *lock)		__releases(lock);
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| void __lockfunc _write_unlock(rwlock_t *lock)		__releases(lock);
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| void __lockfunc _spin_unlock_bh(spinlock_t *lock)	__releases(lock);
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| void __lockfunc _read_unlock_bh(rwlock_t *lock)		__releases(lock);
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| void __lockfunc _write_unlock_bh(rwlock_t *lock)	__releases(lock);
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| void __lockfunc _spin_unlock_irq(spinlock_t *lock)	__releases(lock);
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| void __lockfunc _read_unlock_irq(rwlock_t *lock)	__releases(lock);
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| void __lockfunc _write_unlock_irq(rwlock_t *lock)	__releases(lock);
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| void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
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| 							__releases(lock);
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| void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
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| 							__releases(lock);
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| void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
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| 							__releases(lock);
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| 
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| #endif /* __LINUX_SPINLOCK_API_SMP_H */
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