forked from luck/tmp_suning_uos_patched
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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#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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* 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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int in_lock_functions(unsigned long addr);
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#define assert_spin_locked(x) BUG_ON(!spin_is_locked(x))
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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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#endif /* __LINUX_SPINLOCK_API_SMP_H */
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