mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 07:26:48 +07:00
9c1721aa49
Make the name space hierarchy of locking functions consistent:
raw_spin* -> _raw_spin* -> __raw_spin*
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
283 lines
7.7 KiB
C
283 lines
7.7 KiB
C
#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();
|
|
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_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();
|
|
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(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_PREEMPT */
|
|
|
|
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);
|
|
preempt_enable_no_resched();
|
|
local_bh_enable_ip((unsigned long)__builtin_return_address(0));
|
|
}
|
|
|
|
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);
|
|
preempt_enable_no_resched();
|
|
local_bh_enable_ip((unsigned long)__builtin_return_address(0));
|
|
}
|
|
|
|
#endif /* __LINUX_RWLOCK_API_SMP_H */
|