[mirror_ubuntu-bionic-kernel.git] / include / linux / rwlock_api_smp.h

#ifndef __LINUX_RWLOCK_API_SMP_H
#define __LINUX_RWLOCK_API_SMP_H

#ifndef __LINUX_SPINLOCK_API_SMP_H
# error "please don't include this file directly"
#endif

/*
 * include/linux/rwlock_api_smp.h
 *
 * spinlock API declarations on SMP (and debug)
 * (implemented in kernel/spinlock.c)
 *
 * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
 * Released under the General Public License (GPL).
 */

void __lockfunc _raw_read_lock(rwlock_t *lock)		__acquires(lock);
void __lockfunc _raw_write_lock(rwlock_t *lock)		__acquires(lock);
void __lockfunc _raw_read_lock_bh(rwlock_t *lock)	__acquires(lock);
void __lockfunc _raw_write_lock_bh(rwlock_t *lock)	__acquires(lock);
void __lockfunc _raw_read_lock_irq(rwlock_t *lock)	__acquires(lock);
void __lockfunc _raw_write_lock_irq(rwlock_t *lock)	__acquires(lock);
unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock)
							__acquires(lock);
unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock)
							__acquires(lock);
int __lockfunc _raw_read_trylock(rwlock_t *lock);
int __lockfunc _raw_write_trylock(rwlock_t *lock);
void __lockfunc _raw_read_unlock(rwlock_t *lock)	__releases(lock);
void __lockfunc _raw_write_unlock(rwlock_t *lock)	__releases(lock);
void __lockfunc _raw_read_unlock_bh(rwlock_t *lock)	__releases(lock);
void __lockfunc _raw_write_unlock_bh(rwlock_t *lock)	__releases(lock);
void __lockfunc _raw_read_unlock_irq(rwlock_t *lock)	__releases(lock);
void __lockfunc _raw_write_unlock_irq(rwlock_t *lock)	__releases(lock);
void __lockfunc
_raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
							__releases(lock);
void __lockfunc
_raw_write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
							__releases(lock);

#ifdef CONFIG_INLINE_READ_LOCK
#define _raw_read_lock(lock) __raw_read_lock(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_LOCK
#define _raw_write_lock(lock) __raw_write_lock(lock)
#endif

#ifdef CONFIG_INLINE_READ_LOCK_BH
#define _raw_read_lock_bh(lock) __raw_read_lock_bh(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_LOCK_BH
#define _raw_write_lock_bh(lock) __raw_write_lock_bh(lock)
#endif

#ifdef CONFIG_INLINE_READ_LOCK_IRQ
#define _raw_read_lock_irq(lock) __raw_read_lock_irq(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ
#define _raw_write_lock_irq(lock) __raw_write_lock_irq(lock)
#endif

#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE
#define _raw_read_lock_irqsave(lock) __raw_read_lock_irqsave(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
#define _raw_write_lock_irqsave(lock) __raw_write_lock_irqsave(lock)
#endif

#ifdef CONFIG_INLINE_READ_TRYLOCK
#define _raw_read_trylock(lock) __raw_read_trylock(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_TRYLOCK
#define _raw_write_trylock(lock) __raw_write_trylock(lock)
#endif

#ifdef CONFIG_INLINE_READ_UNLOCK
#define _raw_read_unlock(lock) __raw_read_unlock(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_UNLOCK
#define _raw_write_unlock(lock) __raw_write_unlock(lock)
#endif

#ifdef CONFIG_INLINE_READ_UNLOCK_BH
#define _raw_read_unlock_bh(lock) __raw_read_unlock_bh(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH
#define _raw_write_unlock_bh(lock) __raw_write_unlock_bh(lock)
#endif

#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ
#define _raw_read_unlock_irq(lock) __raw_read_unlock_irq(lock)
#endif

#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ
#define _raw_write_unlock_irq(lock) __raw_write_unlock_irq(lock)
#endif

#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
#define _raw_read_unlock_irqrestore(lock, flags) \
	__raw_read_unlock_irqrestore(lock, flags)
#endif

#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
#define _raw_write_unlock_irqrestore(lock, flags) \
	__raw_write_unlock_irqrestore(lock, flags)
#endif

static inline int __raw_read_trylock(rwlock_t *lock)
{
	preempt_disable();
	if (do_raw_read_trylock(lock)) {
		rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
		return 1;
	}
	preempt_enable();
	return 0;
}

static inline int __raw_write_trylock(rwlock_t *lock)
{
	preempt_disable();
	if (do_raw_write_trylock(lock)) {
		rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
		return 1;
	}
	preempt_enable();
	return 0;
}

/*
 * If lockdep is enabled then we use the non-preemption spin-ops
 * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
 * not re-enabled during lock-acquire (which the preempt-spin-ops do):
 */
#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)

static inline void __raw_read_lock(rwlock_t *lock)
{
	preempt_disable();
	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
}

static inline unsigned long __raw_read_lock_irqsave(rwlock_t *lock)
{
	unsigned long flags;

	local_irq_save(flags);
	preempt_disable();
	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED_FLAGS(lock, do_raw_read_trylock, do_raw_read_lock,
			     do_raw_read_lock_flags, &flags);
	return flags;
}

static inline void __raw_read_lock_irq(rwlock_t *lock)
{
	local_irq_disable();
	preempt_disable();
	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
}

static inline void __raw_read_lock_bh(rwlock_t *lock)
{
	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
}

static inline unsigned long __raw_write_lock_irqsave(rwlock_t *lock)
{
	unsigned long flags;

	local_irq_save(flags);
	preempt_disable();
	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED_FLAGS(lock, do_raw_write_trylock, do_raw_write_lock,
			     do_raw_write_lock_flags, &flags);
	return flags;
}

static inline void __raw_write_lock_irq(rwlock_t *lock)
{
	local_irq_disable();
	preempt_disable();
	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
}

static inline void __raw_write_lock_bh(rwlock_t *lock)
{
	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
}

static inline void __raw_write_lock(rwlock_t *lock)
{
	preempt_disable();
	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
}

#endif /* !CONFIG_GENERIC_LOCKBREAK || CONFIG_DEBUG_LOCK_ALLOC */

static inline void __raw_write_unlock(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_write_unlock(lock);
	preempt_enable();
}

static inline void __raw_read_unlock(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_read_unlock(lock);
	preempt_enable();
}

static inline void
__raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_read_unlock(lock);
	local_irq_restore(flags);
	preempt_enable();
}

static inline void __raw_read_unlock_irq(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_read_unlock(lock);
	local_irq_enable();
	preempt_enable();
}

static inline void __raw_read_unlock_bh(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_read_unlock(lock);
	__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
}

static inline void __raw_write_unlock_irqrestore(rwlock_t *lock,
					     unsigned long flags)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_write_unlock(lock);
	local_irq_restore(flags);
	preempt_enable();
}

static inline void __raw_write_unlock_irq(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_write_unlock(lock);
	local_irq_enable();
	preempt_enable();
}

static inline void __raw_write_unlock_bh(rwlock_t *lock)
{
	rwlock_release(&lock->dep_map, 1, _RET_IP_);
	do_raw_write_unlock(lock);
	__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
}

#endif /* __LINUX_RWLOCK_API_SMP_H */
Commit	Line	Data
6b6b4792 TG	1	#ifndef __LINUX_RWLOCK_API_SMP_H
	2	#define __LINUX_RWLOCK_API_SMP_H
	3
	4	#ifndef __LINUX_SPINLOCK_API_SMP_H
	5	# error "please don't include this file directly"
	6	#endif
	7
	8	/*
	9	* include/linux/rwlock_api_smp.h
	10	*
	11	* spinlock API declarations on SMP (and debug)
	12	* (implemented in kernel/spinlock.c)
	13	*
	14	* portions Copyright 2005, Red Hat, Inc., Ingo Molnar
	15	* Released under the General Public License (GPL).
	16	*/
	17
9c1721aa TG	18	void __lockfunc _raw_read_lock(rwlock_t *lock) __acquires(lock);
	19	void __lockfunc _raw_write_lock(rwlock_t *lock) __acquires(lock);
	20	void __lockfunc _raw_read_lock_bh(rwlock_t *lock) __acquires(lock);
	21	void __lockfunc _raw_write_lock_bh(rwlock_t *lock) __acquires(lock);
	22	void __lockfunc _raw_read_lock_irq(rwlock_t *lock) __acquires(lock);
	23	void __lockfunc _raw_write_lock_irq(rwlock_t *lock) __acquires(lock);
	24	unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock)
6b6b4792	25	__acquires(lock);
9c1721aa	26	unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock)
6b6b4792	27	__acquires(lock);
9c1721aa TG	28	int __lockfunc _raw_read_trylock(rwlock_t *lock);
	29	int __lockfunc _raw_write_trylock(rwlock_t *lock);
	30	void __lockfunc _raw_read_unlock(rwlock_t *lock) __releases(lock);
	31	void __lockfunc _raw_write_unlock(rwlock_t *lock) __releases(lock);
	32	void __lockfunc _raw_read_unlock_bh(rwlock_t *lock) __releases(lock);
	33	void __lockfunc _raw_write_unlock_bh(rwlock_t *lock) __releases(lock);
	34	void __lockfunc _raw_read_unlock_irq(rwlock_t *lock) __releases(lock);
	35	void __lockfunc _raw_write_unlock_irq(rwlock_t *lock) __releases(lock);
	36	void __lockfunc
	37	_raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
6b6b4792	38	__releases(lock);
9c1721aa TG	39	void __lockfunc
9c1721aa TG	40	_raw_write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
6b6b4792 TG	41	__releases(lock);
	42
	43	#ifdef CONFIG_INLINE_READ_LOCK
9c1721aa	44	#define _raw_read_lock(lock) __raw_read_lock(lock)
6b6b4792 TG	45	#endif
	46
	47	#ifdef CONFIG_INLINE_WRITE_LOCK
9c1721aa	48	#define _raw_write_lock(lock) __raw_write_lock(lock)
6b6b4792 TG	49	#endif
	50
	51	#ifdef CONFIG_INLINE_READ_LOCK_BH
9c1721aa	52	#define _raw_read_lock_bh(lock) __raw_read_lock_bh(lock)
6b6b4792 TG	53	#endif
	54
	55	#ifdef CONFIG_INLINE_WRITE_LOCK_BH
9c1721aa	56	#define _raw_write_lock_bh(lock) __raw_write_lock_bh(lock)
6b6b4792 TG	57	#endif
	58
	59	#ifdef CONFIG_INLINE_READ_LOCK_IRQ
9c1721aa	60	#define _raw_read_lock_irq(lock) __raw_read_lock_irq(lock)
6b6b4792 TG	61	#endif
	62
	63	#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ
9c1721aa	64	#define _raw_write_lock_irq(lock) __raw_write_lock_irq(lock)
6b6b4792 TG	65	#endif
	66
	67	#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE
9c1721aa	68	#define _raw_read_lock_irqsave(lock) __raw_read_lock_irqsave(lock)
6b6b4792 TG	69	#endif
	70
	71	#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
9c1721aa	72	#define _raw_write_lock_irqsave(lock) __raw_write_lock_irqsave(lock)
6b6b4792 TG	73	#endif
	74
	75	#ifdef CONFIG_INLINE_READ_TRYLOCK
9c1721aa	76	#define _raw_read_trylock(lock) __raw_read_trylock(lock)
6b6b4792 TG	77	#endif
	78
	79	#ifdef CONFIG_INLINE_WRITE_TRYLOCK
9c1721aa	80	#define _raw_write_trylock(lock) __raw_write_trylock(lock)
6b6b4792 TG	81	#endif
	82
	83	#ifdef CONFIG_INLINE_READ_UNLOCK
9c1721aa	84	#define _raw_read_unlock(lock) __raw_read_unlock(lock)
6b6b4792 TG	85	#endif
	86
	87	#ifdef CONFIG_INLINE_WRITE_UNLOCK
9c1721aa	88	#define _raw_write_unlock(lock) __raw_write_unlock(lock)
6b6b4792 TG	89	#endif
	90
	91	#ifdef CONFIG_INLINE_READ_UNLOCK_BH
9c1721aa	92	#define _raw_read_unlock_bh(lock) __raw_read_unlock_bh(lock)
6b6b4792 TG	93	#endif
	94
	95	#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH
9c1721aa	96	#define _raw_write_unlock_bh(lock) __raw_write_unlock_bh(lock)
6b6b4792 TG	97	#endif
	98
	99	#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ
9c1721aa	100	#define _raw_read_unlock_irq(lock) __raw_read_unlock_irq(lock)
6b6b4792 TG	101	#endif
	102
	103	#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ
9c1721aa	104	#define _raw_write_unlock_irq(lock) __raw_write_unlock_irq(lock)
6b6b4792 TG	105	#endif
	106
	107	#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
9c1721aa TG	108	#define _raw_read_unlock_irqrestore(lock, flags) \
9c1721aa TG	109	__raw_read_unlock_irqrestore(lock, flags)
6b6b4792 TG	110	#endif
	111
	112	#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
9c1721aa TG	113	#define _raw_write_unlock_irqrestore(lock, flags) \
9c1721aa TG	114	__raw_write_unlock_irqrestore(lock, flags)
6b6b4792 TG	115	#endif
6b6b4792 TG	116
9c1721aa	117	static inline int __raw_read_trylock(rwlock_t *lock)
6b6b4792 TG	118	{
6b6b4792 TG	119	preempt_disable();
9828ea9d	120	if (do_raw_read_trylock(lock)) {
6b6b4792 TG	121	rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
	122	return 1;
	123	}
	124	preempt_enable();
	125	return 0;
	126	}
	127
9c1721aa	128	static inline int __raw_write_trylock(rwlock_t *lock)
6b6b4792 TG	129	{
6b6b4792 TG	130	preempt_disable();
9828ea9d	131	if (do_raw_write_trylock(lock)) {
6b6b4792 TG	132	rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
	133	return 1;
	134	}
	135	preempt_enable();
	136	return 0;
	137	}
	138
	139	/*
	140	* If lockdep is enabled then we use the non-preemption spin-ops
	141	* even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
	142	* not re-enabled during lock-acquire (which the preempt-spin-ops do):
	143	*/
	144	#if !defined(CONFIG_GENERIC_LOCKBREAK) \|\| defined(CONFIG_DEBUG_LOCK_ALLOC)
	145
9c1721aa	146	static inline void __raw_read_lock(rwlock_t *lock)
6b6b4792 TG	147	{
	148	preempt_disable();
	149	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	150	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
6b6b4792 TG	151	}
6b6b4792 TG	152
9c1721aa	153	static inline unsigned long __raw_read_lock_irqsave(rwlock_t *lock)
6b6b4792 TG	154	{
	155	unsigned long flags;
	156
	157	local_irq_save(flags);
	158	preempt_disable();
	159	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d TG	160	LOCK_CONTENDED_FLAGS(lock, do_raw_read_trylock, do_raw_read_lock,
9828ea9d TG	161	do_raw_read_lock_flags, &flags);
6b6b4792 TG	162	return flags;
	163	}
	164
9c1721aa	165	static inline void __raw_read_lock_irq(rwlock_t *lock)
6b6b4792 TG	166	{
	167	local_irq_disable();
	168	preempt_disable();
	169	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	170	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
6b6b4792 TG	171	}
6b6b4792 TG	172
9c1721aa	173	static inline void __raw_read_lock_bh(rwlock_t *lock)
6b6b4792	174	{
9ea4c380	175	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
6b6b4792	176	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	177	LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock);
6b6b4792 TG	178	}
6b6b4792 TG	179
9c1721aa	180	static inline unsigned long __raw_write_lock_irqsave(rwlock_t *lock)
6b6b4792 TG	181	{
	182	unsigned long flags;
	183
	184	local_irq_save(flags);
	185	preempt_disable();
	186	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d TG	187	LOCK_CONTENDED_FLAGS(lock, do_raw_write_trylock, do_raw_write_lock,
9828ea9d TG	188	do_raw_write_lock_flags, &flags);
6b6b4792 TG	189	return flags;
	190	}
	191
9c1721aa	192	static inline void __raw_write_lock_irq(rwlock_t *lock)
6b6b4792 TG	193	{
	194	local_irq_disable();
	195	preempt_disable();
	196	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	197	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
6b6b4792 TG	198	}
6b6b4792 TG	199
9c1721aa	200	static inline void __raw_write_lock_bh(rwlock_t *lock)
6b6b4792	201	{
9ea4c380	202	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
6b6b4792	203	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	204	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
6b6b4792 TG	205	}
6b6b4792 TG	206
9c1721aa	207	static inline void __raw_write_lock(rwlock_t *lock)
6b6b4792 TG	208	{
	209	preempt_disable();
	210	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d	211	LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock);
6b6b4792 TG	212	}
6b6b4792 TG	213
f791dd25	214	#endif /* !CONFIG_GENERIC_LOCKBREAK \|\| CONFIG_DEBUG_LOCK_ALLOC */
6b6b4792	215
9c1721aa	216	static inline void __raw_write_unlock(rwlock_t *lock)
6b6b4792 TG	217	{
6b6b4792 TG	218	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	219	do_raw_write_unlock(lock);
6b6b4792 TG	220	preempt_enable();
	221	}
	222
9c1721aa	223	static inline void __raw_read_unlock(rwlock_t *lock)
6b6b4792 TG	224	{
6b6b4792 TG	225	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	226	do_raw_read_unlock(lock);
6b6b4792 TG	227	preempt_enable();
	228	}
	229
9c1721aa TG	230	static inline void
9c1721aa TG	231	__raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
6b6b4792 TG	232	{
6b6b4792 TG	233	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	234	do_raw_read_unlock(lock);
6b6b4792 TG	235	local_irq_restore(flags);
	236	preempt_enable();
	237	}
	238
9c1721aa	239	static inline void __raw_read_unlock_irq(rwlock_t *lock)
6b6b4792 TG	240	{
6b6b4792 TG	241	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	242	do_raw_read_unlock(lock);
6b6b4792 TG	243	local_irq_enable();
	244	preempt_enable();
	245	}
	246
9c1721aa	247	static inline void __raw_read_unlock_bh(rwlock_t *lock)
6b6b4792 TG	248	{
6b6b4792 TG	249	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	250	do_raw_read_unlock(lock);
9ea4c380	251	__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
6b6b4792 TG	252	}
6b6b4792 TG	253
9c1721aa	254	static inline void __raw_write_unlock_irqrestore(rwlock_t *lock,
6b6b4792 TG	255	unsigned long flags)
	256	{
	257	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	258	do_raw_write_unlock(lock);
6b6b4792 TG	259	local_irq_restore(flags);
	260	preempt_enable();
	261	}
	262
9c1721aa	263	static inline void __raw_write_unlock_irq(rwlock_t *lock)
6b6b4792 TG	264	{
6b6b4792 TG	265	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	266	do_raw_write_unlock(lock);
6b6b4792 TG	267	local_irq_enable();
	268	preempt_enable();
	269	}
	270
9c1721aa	271	static inline void __raw_write_unlock_bh(rwlock_t *lock)
6b6b4792 TG	272	{
6b6b4792 TG	273	rwlock_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d	274	do_raw_write_unlock(lock);
9ea4c380	275	__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
6b6b4792 TG	276	}
	277
	278	#endif /* __LINUX_RWLOCK_API_SMP_H */