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authorThomas Gleixner2009-12-02 20:01:25 +0100
committerThomas Gleixner2009-12-14 23:55:32 +0100
commit0199c4e68d1f02894bdefe4b5d9e9ee4aedd8d62 (patch)
treee371d17bd73d64332349debbf45962ec67e7269d /arch/s390
parentedc35bd72e2079b25f99c5da7d7a65dbbffc4a26 (diff)
locking: Convert __raw_spin* functions to arch_spin*
Name space cleanup. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: linux-arch@vger.kernel.org
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/spinlock.h34
-rw-r--r--arch/s390/lib/spinlock.c22
2 files changed, 28 insertions, 28 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 6121fa4b83d9..a94c146657a9 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(arch_spinlock_t *);
-extern void _raw_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags);
-extern int _raw_spin_trylock_retry(arch_spinlock_t *);
-extern void _raw_spin_relax(arch_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(arch_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(arch_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(arch_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(arch_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(arch_spinlock_t *lp)
+static inline void arch_spin_unlock(arch_spinlock_t *lp)
{
_raw_compare_and_swap(&lp->owner_cpu, lp->owner_cpu, 0);
}
@@ -188,7 +188,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
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 */
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index d4cbf71a6077..f4596452f072 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -39,7 +39,7 @@ static inline void _raw_yield_cpu(int cpu)
_raw_yield();
}
-void _raw_spin_lock_wait(arch_spinlock_t *lp)
+void arch_spin_lock_wait(arch_spinlock_t *lp)
{
int count = spin_retry;
unsigned int cpu = ~smp_processor_id();
@@ -51,15 +51,15 @@ void _raw_spin_lock_wait(arch_spinlock_t *lp)
_raw_yield_cpu(~owner);
count = spin_retry;
}
- if (__raw_spin_is_locked(lp))
+ if (arch_spin_is_locked(lp))
continue;
if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
return;
}
}
-EXPORT_SYMBOL(_raw_spin_lock_wait);
+EXPORT_SYMBOL(arch_spin_lock_wait);
-void _raw_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
+void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
{
int count = spin_retry;
unsigned int cpu = ~smp_processor_id();
@@ -72,7 +72,7 @@ void _raw_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
_raw_yield_cpu(~owner);
count = spin_retry;
}
- if (__raw_spin_is_locked(lp))
+ if (arch_spin_is_locked(lp))
continue;
local_irq_disable();
if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
@@ -80,30 +80,30 @@ void _raw_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
local_irq_restore(flags);
}
}
-EXPORT_SYMBOL(_raw_spin_lock_wait_flags);
+EXPORT_SYMBOL(arch_spin_lock_wait_flags);
-int _raw_spin_trylock_retry(arch_spinlock_t *lp)
+int arch_spin_trylock_retry(arch_spinlock_t *lp)
{
unsigned int cpu = ~smp_processor_id();
int count;
for (count = spin_retry; count > 0; count--) {
- if (__raw_spin_is_locked(lp))
+ if (arch_spin_is_locked(lp))
continue;
if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
return 1;
}
return 0;
}
-EXPORT_SYMBOL(_raw_spin_trylock_retry);
+EXPORT_SYMBOL(arch_spin_trylock_retry);
-void _raw_spin_relax(arch_spinlock_t *lock)
+void arch_spin_relax(arch_spinlock_t *lock)
{
unsigned int cpu = lock->owner_cpu;
if (cpu != 0)
_raw_yield_cpu(~cpu);
}
-EXPORT_SYMBOL(_raw_spin_relax);
+EXPORT_SYMBOL(arch_spin_relax);
void _raw_read_lock_wait(raw_rwlock_t *rw)
{