diff options
Diffstat (limited to 'kernel/spinlock.c')
| -rw-r--r-- | kernel/spinlock.c | 246 |
1 files changed, 123 insertions, 123 deletions
diff --git a/kernel/spinlock.c b/kernel/spinlock.c index 41e042219ff6..e6e136318437 100644 --- a/kernel/spinlock.c +++ b/kernel/spinlock.c @@ -113,41 +113,6 @@ BUILD_LOCK_OPS(write, rwlock); #endif -#ifdef CONFIG_DEBUG_LOCK_ALLOC - -void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass) -{ - preempt_disable(); - spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); -} -EXPORT_SYMBOL(_spin_lock_nested); - -unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, - int subclass) -{ - unsigned long flags; - - local_irq_save(flags); - preempt_disable(); - spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); - LOCK_CONTENDED_FLAGS(lock, _raw_spin_trylock, _raw_spin_lock, - _raw_spin_lock_flags, &flags); - return flags; -} -EXPORT_SYMBOL(_spin_lock_irqsave_nested); - -void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, - struct lockdep_map *nest_lock) -{ - preempt_disable(); - spin_acquire_nest(&lock->dep_map, 0, 0, nest_lock, _RET_IP_); - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); -} -EXPORT_SYMBOL(_spin_lock_nest_lock); - -#endif - #ifndef CONFIG_INLINE_SPIN_TRYLOCK int __lockfunc _spin_trylock(spinlock_t *lock) { @@ -156,28 +121,20 @@ int __lockfunc _spin_trylock(spinlock_t *lock) EXPORT_SYMBOL(_spin_trylock); #endif -#ifndef CONFIG_INLINE_READ_TRYLOCK -int __lockfunc _read_trylock(rwlock_t *lock) -{ - return __read_trylock(lock); -} -EXPORT_SYMBOL(_read_trylock); -#endif - -#ifndef CONFIG_INLINE_WRITE_TRYLOCK -int __lockfunc _write_trylock(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_TRYLOCK_BH +int __lockfunc _spin_trylock_bh(spinlock_t *lock) { - return __write_trylock(lock); + return __spin_trylock_bh(lock); } -EXPORT_SYMBOL(_write_trylock); +EXPORT_SYMBOL(_spin_trylock_bh); #endif -#ifndef CONFIG_INLINE_READ_LOCK -void __lockfunc _read_lock(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_LOCK +void __lockfunc _spin_lock(spinlock_t *lock) { - __read_lock(lock); + __spin_lock(lock); } -EXPORT_SYMBOL(_read_lock); +EXPORT_SYMBOL(_spin_lock); #endif #ifndef CONFIG_INLINE_SPIN_LOCK_IRQSAVE @@ -204,84 +161,76 @@ void __lockfunc _spin_lock_bh(spinlock_t *lock) EXPORT_SYMBOL(_spin_lock_bh); #endif -#ifndef CONFIG_INLINE_READ_LOCK_IRQSAVE -unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock) -{ - return __read_lock_irqsave(lock); -} -EXPORT_SYMBOL(_read_lock_irqsave); -#endif - -#ifndef CONFIG_INLINE_READ_LOCK_IRQ -void __lockfunc _read_lock_irq(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_UNLOCK +void __lockfunc _spin_unlock(spinlock_t *lock) { - __read_lock_irq(lock); + __spin_unlock(lock); } -EXPORT_SYMBOL(_read_lock_irq); +EXPORT_SYMBOL(_spin_unlock); #endif -#ifndef CONFIG_INLINE_READ_LOCK_BH -void __lockfunc _read_lock_bh(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE +void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) { - __read_lock_bh(lock); + __spin_unlock_irqrestore(lock, flags); } -EXPORT_SYMBOL(_read_lock_bh); +EXPORT_SYMBOL(_spin_unlock_irqrestore); #endif -#ifndef CONFIG_INLINE_WRITE_LOCK_IRQSAVE -unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQ +void __lockfunc _spin_unlock_irq(spinlock_t *lock) { - return __write_lock_irqsave(lock); + __spin_unlock_irq(lock); } -EXPORT_SYMBOL(_write_lock_irqsave); +EXPORT_SYMBOL(_spin_unlock_irq); #endif -#ifndef CONFIG_INLINE_WRITE_LOCK_IRQ -void __lockfunc _write_lock_irq(rwlock_t *lock) +#ifndef CONFIG_INLINE_SPIN_UNLOCK_BH +void __lockfunc _spin_unlock_bh(spinlock_t *lock) { - __write_lock_irq(lock); + __spin_unlock_bh(lock); } -EXPORT_SYMBOL(_write_lock_irq); +EXPORT_SYMBOL(_spin_unlock_bh); #endif -#ifndef CONFIG_INLINE_WRITE_LOCK_BH -void __lockfunc _write_lock_bh(rwlock_t *lock) +#ifndef CONFIG_INLINE_READ_TRYLOCK +int __lockfunc _read_trylock(rwlock_t *lock) { - __write_lock_bh(lock); + return __read_trylock(lock); } -EXPORT_SYMBOL(_write_lock_bh); +EXPORT_SYMBOL(_read_trylock); #endif -#ifndef CONFIG_INLINE_SPIN_LOCK -void __lockfunc _spin_lock(spinlock_t *lock) +#ifndef CONFIG_INLINE_READ_LOCK +void __lockfunc _read_lock(rwlock_t *lock) { - __spin_lock(lock); + __read_lock(lock); } -EXPORT_SYMBOL(_spin_lock); +EXPORT_SYMBOL(_read_lock); #endif -#ifndef CONFIG_INLINE_WRITE_LOCK -void __lockfunc _write_lock(rwlock_t *lock) +#ifndef CONFIG_INLINE_READ_LOCK_IRQSAVE +unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock) { - __write_lock(lock); + return __read_lock_irqsave(lock); } -EXPORT_SYMBOL(_write_lock); +EXPORT_SYMBOL(_read_lock_irqsave); #endif -#ifndef CONFIG_INLINE_SPIN_UNLOCK -void __lockfunc _spin_unlock(spinlock_t *lock) +#ifndef CONFIG_INLINE_READ_LOCK_IRQ +void __lockfunc _read_lock_irq(rwlock_t *lock) { - __spin_unlock(lock); + __read_lock_irq(lock); } -EXPORT_SYMBOL(_spin_unlock); +EXPORT_SYMBOL(_read_lock_irq); #endif -#ifndef CONFIG_INLINE_WRITE_UNLOCK -void __lockfunc _write_unlock(rwlock_t *lock) +#ifndef CONFIG_INLINE_READ_LOCK_BH +void __lockfunc _read_lock_bh(rwlock_t *lock) { - __write_unlock(lock); + __read_lock_bh(lock); } -EXPORT_SYMBOL(_write_unlock); +EXPORT_SYMBOL(_read_lock_bh); #endif #ifndef CONFIG_INLINE_READ_UNLOCK @@ -292,30 +241,6 @@ void __lockfunc _read_unlock(rwlock_t *lock) EXPORT_SYMBOL(_read_unlock); #endif -#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE -void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) -{ - __spin_unlock_irqrestore(lock, flags); -} -EXPORT_SYMBOL(_spin_unlock_irqrestore); -#endif - -#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQ -void __lockfunc _spin_unlock_irq(spinlock_t *lock) -{ - __spin_unlock_irq(lock); -} -EXPORT_SYMBOL(_spin_unlock_irq); -#endif - -#ifndef CONFIG_INLINE_SPIN_UNLOCK_BH -void __lockfunc _spin_unlock_bh(spinlock_t *lock) -{ - __spin_unlock_bh(lock); -} -EXPORT_SYMBOL(_spin_unlock_bh); -#endif - #ifndef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) { @@ -340,6 +265,54 @@ void __lockfunc _read_unlock_bh(rwlock_t *lock) EXPORT_SYMBOL(_read_unlock_bh); #endif +#ifndef CONFIG_INLINE_WRITE_TRYLOCK +int __lockfunc _write_trylock(rwlock_t *lock) +{ + return __write_trylock(lock); +} +EXPORT_SYMBOL(_write_trylock); +#endif + +#ifndef CONFIG_INLINE_WRITE_LOCK +void __lockfunc _write_lock(rwlock_t *lock) +{ + __write_lock(lock); +} +EXPORT_SYMBOL(_write_lock); +#endif + +#ifndef CONFIG_INLINE_WRITE_LOCK_IRQSAVE +unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock) +{ + return __write_lock_irqsave(lock); +} +EXPORT_SYMBOL(_write_lock_irqsave); +#endif + +#ifndef CONFIG_INLINE_WRITE_LOCK_IRQ +void __lockfunc _write_lock_irq(rwlock_t *lock) +{ + __write_lock_irq(lock); +} +EXPORT_SYMBOL(_write_lock_irq); +#endif + +#ifndef CONFIG_INLINE_WRITE_LOCK_BH +void __lockfunc _write_lock_bh(rwlock_t *lock) +{ + __write_lock_bh(lock); +} +EXPORT_SYMBOL(_write_lock_bh); +#endif + +#ifndef CONFIG_INLINE_WRITE_UNLOCK +void __lockfunc _write_unlock(rwlock_t *lock) +{ + __write_unlock(lock); +} +EXPORT_SYMBOL(_write_unlock); +#endif + #ifndef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags) { @@ -364,12 +337,39 @@ void __lockfunc _write_unlock_bh(rwlock_t *lock) EXPORT_SYMBOL(_write_unlock_bh); #endif -#ifndef CONFIG_INLINE_SPIN_TRYLOCK_BH -int __lockfunc _spin_trylock_bh(spinlock_t *lock) +#ifdef CONFIG_DEBUG_LOCK_ALLOC + +void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass) { - return __spin_trylock_bh(lock); + preempt_disable(); + spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); + LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); } -EXPORT_SYMBOL(_spin_trylock_bh); +EXPORT_SYMBOL(_spin_lock_nested); + +unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, + int subclass) +{ + unsigned long flags; + + local_irq_save(flags); + preempt_disable(); + spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); + LOCK_CONTENDED_FLAGS(lock, _raw_spin_trylock, _raw_spin_lock, + _raw_spin_lock_flags, &flags); + return flags; +} +EXPORT_SYMBOL(_spin_lock_irqsave_nested); + +void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, + struct lockdep_map *nest_lock) +{ + preempt_disable(); + spin_acquire_nest(&lock->dep_map, 0, 0, nest_lock, _RET_IP_); + LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); +} +EXPORT_SYMBOL(_spin_lock_nest_lock); + #endif notrace int in_lock_functions(unsigned long addr) |