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[PATCH] Make spinlock/rwlock annotations more accurate by using parameters, not types 

The lock annotations used on spinlocks and rwlocks currently use
__{acquires,releases}(spinlock_t) and __{acquires,releases}(rwlock_t),
respectively.  This loses the information of which lock actually got
acquired or released, and assumes a different type for the parameter of
__acquires and __releases than the rest of the kernel.  While the current
implementations of __acquires and __releases throw away their argument,
this will not always remain the case.  Change this to use the lock
parameter instead, to preserve this information and increase consistency in
usage of __acquires and __releases.

Signed-off-by: Josh Triplett <josh@freedesktop.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
wifi-calibration
Josh Triplett 2006-09-29 02:00:59 -07:00 committed by Linus Torvalds
parent 92e9a8507b
commit 9f50b93f06
1 changed files with 25 additions and 25 deletions
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50
include/linux/spinlock_api_smp.h
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@ -19,41 +19,41 @@ int in_lock_functions(unsigned long addr);
#define assert_spin_locked(x) BUG_ON(!spin_is_locked(x))
void __lockfunc _spin_lock(spinlock_t *lock) __acquires(spinlock_t);
void __lockfunc _spin_lock(spinlock_t *lock) __acquires(lock);
void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
__acquires(spinlock_t);
void __lockfunc _read_lock(rwlock_t *lock) __acquires(rwlock_t);
void __lockfunc _write_lock(rwlock_t *lock) __acquires(rwlock_t);
void __lockfunc _spin_lock_bh(spinlock_t *lock) __acquires(spinlock_t);
void __lockfunc _read_lock_bh(rwlock_t *lock) __acquires(rwlock_t);
void __lockfunc _write_lock_bh(rwlock_t *lock) __acquires(rwlock_t);
void __lockfunc _spin_lock_irq(spinlock_t *lock) __acquires(spinlock_t);
void __lockfunc _read_lock_irq(rwlock_t *lock) __acquires(rwlock_t);
void __lockfunc _write_lock_irq(rwlock_t *lock) __acquires(rwlock_t);
__acquires(lock);
void __lockfunc _read_lock(rwlock_t *lock) __acquires(lock);
void __lockfunc _write_lock(rwlock_t *lock) __acquires(lock);
void __lockfunc _spin_lock_bh(spinlock_t *lock) __acquires(lock);
void __lockfunc _read_lock_bh(rwlock_t *lock) __acquires(lock);
void __lockfunc _write_lock_bh(rwlock_t *lock) __acquires(lock);
void __lockfunc _spin_lock_irq(spinlock_t *lock) __acquires(lock);
void __lockfunc _read_lock_irq(rwlock_t *lock) __acquires(lock);
void __lockfunc _write_lock_irq(rwlock_t *lock) __acquires(lock);
unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
__acquires(spinlock_t);
__acquires(lock);
unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
__acquires(rwlock_t);
__acquires(lock);
unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
__acquires(rwlock_t);
__acquires(lock);
int __lockfunc _spin_trylock(spinlock_t *lock);
int __lockfunc _read_trylock(rwlock_t *lock);
int __lockfunc _write_trylock(rwlock_t *lock);
int __lockfunc _spin_trylock_bh(spinlock_t *lock);
void __lockfunc _spin_unlock(spinlock_t *lock) __releases(spinlock_t);
void __lockfunc _read_unlock(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _write_unlock(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _spin_unlock_bh(spinlock_t *lock) __releases(spinlock_t);
void __lockfunc _read_unlock_bh(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _write_unlock_bh(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _spin_unlock_irq(spinlock_t *lock) __releases(spinlock_t);
void __lockfunc _read_unlock_irq(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _write_unlock_irq(rwlock_t *lock) __releases(rwlock_t);
void __lockfunc _spin_unlock(spinlock_t *lock) __releases(lock);
void __lockfunc _read_unlock(rwlock_t *lock) __releases(lock);
void __lockfunc _write_unlock(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_bh(spinlock_t *lock) __releases(lock);
void __lockfunc _read_unlock_bh(rwlock_t *lock) __releases(lock);
void __lockfunc _write_unlock_bh(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_irq(spinlock_t *lock) __releases(lock);
void __lockfunc _read_unlock_irq(rwlock_t *lock) __releases(lock);
void __lockfunc _write_unlock_irq(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
__releases(spinlock_t);
__releases(lock);
void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
__releases(rwlock_t);
__releases(lock);
void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
__releases(rwlock_t);
__releases(lock);
#endif /* __LINUX_SPINLOCK_API_SMP_H */