aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/spinlock.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/spinlock.h')
-rw-r--r--arch/s390/include/asm/spinlock.h66
1 files changed, 33 insertions, 33 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index c9af0d19c7a..a587907d77f 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -52,27 +52,27 @@ _raw_compare_and_swap(volatile unsigned int *lock,
* (the type definitions are in asm/spinlock_types.h)
*/
-#define __raw_spin_is_locked(x) ((x)->owner_cpu != 0)
-#define __raw_spin_unlock_wait(lock) \
- do { while (__raw_spin_is_locked(lock)) \
- _raw_spin_relax(lock); } while (0)
+#define arch_spin_is_locked(x) ((x)->owner_cpu != 0)
+#define arch_spin_unlock_wait(lock) \
+ do { while (arch_spin_is_locked(lock)) \
+ arch_spin_relax(lock); } while (0)
-extern void _raw_spin_lock_wait(raw_spinlock_t *);
-extern void _raw_spin_lock_wait_flags(raw_spinlock_t *, unsigned long flags);
-extern int _raw_spin_trylock_retry(raw_spinlock_t *);
-extern void _raw_spin_relax(raw_spinlock_t *lock);
+extern void arch_spin_lock_wait(arch_spinlock_t *);
+extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags);
+extern int arch_spin_trylock_retry(arch_spinlock_t *);
+extern void arch_spin_relax(arch_spinlock_t *lock);
-static inline void __raw_spin_lock(raw_spinlock_t *lp)
+static inline void arch_spin_lock(arch_spinlock_t *lp)
{
int old;
old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id());
if (likely(old == 0))
return;
- _raw_spin_lock_wait(lp);
+ arch_spin_lock_wait(lp);
}
-static inline void __raw_spin_lock_flags(raw_spinlock_t *lp,
+static inline void arch_spin_lock_flags(arch_spinlock_t *lp,
unsigned long flags)
{
int old;
@@ -80,20 +80,20 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lp,
old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id());
if (likely(old == 0))
return;
- _raw_spin_lock_wait_flags(lp, flags);
+ arch_spin_lock_wait_flags(lp, flags);
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lp)
+static inline int arch_spin_trylock(arch_spinlock_t *lp)
{
int old;
old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id());
if (likely(old == 0))
return 1;
- return _raw_spin_trylock_retry(lp);
+ return arch_spin_trylock_retry(lp);
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lp)
+static inline void arch_spin_unlock(arch_spinlock_t *lp)
{
_raw_compare_and_swap(&lp->owner_cpu, lp->owner_cpu, 0);
}
@@ -113,22 +113,22 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lp)
* read_can_lock - would read_trylock() succeed?
* @lock: the rwlock in question.
*/
-#define __raw_read_can_lock(x) ((int)(x)->lock >= 0)
+#define arch_read_can_lock(x) ((int)(x)->lock >= 0)
/**
* write_can_lock - would write_trylock() succeed?
* @lock: the rwlock in question.
*/
-#define __raw_write_can_lock(x) ((x)->lock == 0)
+#define arch_write_can_lock(x) ((x)->lock == 0)
-extern void _raw_read_lock_wait(raw_rwlock_t *lp);
-extern void _raw_read_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags);
-extern int _raw_read_trylock_retry(raw_rwlock_t *lp);
-extern void _raw_write_lock_wait(raw_rwlock_t *lp);
-extern void _raw_write_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags);
-extern int _raw_write_trylock_retry(raw_rwlock_t *lp);
+extern void _raw_read_lock_wait(arch_rwlock_t *lp);
+extern void _raw_read_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags);
+extern int _raw_read_trylock_retry(arch_rwlock_t *lp);
+extern void _raw_write_lock_wait(arch_rwlock_t *lp);
+extern void _raw_write_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags);
+extern int _raw_write_trylock_retry(arch_rwlock_t *lp);
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -136,7 +136,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
_raw_read_lock_wait(rw);
}
-static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags)
+static inline void arch_read_lock_flags(arch_rwlock_t *rw, unsigned long flags)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -144,7 +144,7 @@ static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags)
_raw_read_lock_wait_flags(rw, flags);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(arch_rwlock_t *rw)
{
unsigned int old, cmp;
@@ -155,24 +155,24 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
} while (cmp != old);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void arch_write_lock(arch_rwlock_t *rw)
{
if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0))
_raw_write_lock_wait(rw);
}
-static inline void __raw_write_lock_flags(raw_rwlock_t *rw, unsigned long flags)
+static inline void arch_write_lock_flags(arch_rwlock_t *rw, unsigned long flags)
{
if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0))
_raw_write_lock_wait_flags(rw, flags);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void arch_write_unlock(arch_rwlock_t *rw)
{
_raw_compare_and_swap(&rw->lock, 0x80000000, 0);
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -181,14 +181,14 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
return _raw_read_trylock_retry(rw);
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int arch_write_trylock(arch_rwlock_t *rw)
{
if (likely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0))
return 1;
return _raw_write_trylock_retry(rw);
}
-#define _raw_read_relax(lock) cpu_relax()
-#define _raw_write_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
#endif /* __ASM_SPINLOCK_H */