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locking: Convert raw_rwlock functions to arch_rwlock

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Name space cleanup for rwlock functions. 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
This commit is contained in:
Thomas Gleixner
2009-12-03 20:08:46 +01:00
parent fb3a6bbc91
commit e5931943d0
18 changed files with 215 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
arch/sh/include/asm/spinlock.h
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@@ -100,21 +100,21 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
* read_can_lock - would read_trylock() succeed?
* @lock: the rwlock in question.
*/
#define __raw_read_can_lock(x) ((x)->lock > 0)
#define arch_read_can_lock(x) ((x)->lock > 0)
/**
* write_can_lock - would write_trylock() succeed?
* @lock: the rwlock in question.
*/
#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
#define arch_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
static inline void __raw_read_lock(arch_rwlock_t *rw)
static inline void arch_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! __raw_read_lock \n\t"
"movli.l @%1, %0 ! arch_read_lock \n\t"
"cmp/pl %0 \n\t"
"bf 1b \n\t"
"add #-1, %0 \n\t"
@@ -126,13 +126,13 @@ static inline void __raw_read_lock(arch_rwlock_t *rw)
);
}
static inline void __raw_read_unlock(arch_rwlock_t *rw)
static inline void arch_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! __raw_read_unlock \n\t"
"movli.l @%1, %0 ! arch_read_unlock \n\t"
"add #1, %0 \n\t"
"movco.l %0, @%1 \n\t"
"bf 1b \n\t"
@@ -142,13 +142,13 @@ static inline void __raw_read_unlock(arch_rwlock_t *rw)
);
}
static inline void __raw_write_lock(arch_rwlock_t *rw)
static inline void arch_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! __raw_write_lock \n\t"
"movli.l @%1, %0 ! arch_write_lock \n\t"
"cmp/hs %2, %0 \n\t"
"bf 1b \n\t"
"sub %2, %0 \n\t"
@@ -160,23 +160,23 @@ static inline void __raw_write_lock(arch_rwlock_t *rw)
);
}
static inline void __raw_write_unlock(arch_rwlock_t *rw)
static inline void arch_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__ (
"mov.l %1, @%0 ! __raw_write_unlock \n\t"
"mov.l %1, @%0 ! arch_write_unlock \n\t"
:
: "r" (&rw->lock), "r" (RW_LOCK_BIAS)
: "t", "memory"
);
}
static inline int __raw_read_trylock(arch_rwlock_t *rw)
static inline int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, oldval;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! __raw_read_trylock \n\t"
"movli.l @%2, %0 ! arch_read_trylock \n\t"
"mov %0, %1 \n\t"
"cmp/pl %0 \n\t"
"bf 2f \n\t"
@@ -193,13 +193,13 @@ static inline int __raw_read_trylock(arch_rwlock_t *rw)
return (oldval > 0);
}
static inline int __raw_write_trylock(arch_rwlock_t *rw)
static inline int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, oldval;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! __raw_write_trylock \n\t"
"movli.l @%2, %0 ! arch_write_trylock \n\t"
"mov %0, %1 \n\t"
"cmp/hs %3, %0 \n\t"
"bf 2f \n\t"
@@ -216,8 +216,8 @@ static inline int __raw_write_trylock(arch_rwlock_t *rw)
return (oldval > (RW_LOCK_BIAS - 1));
}
#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
#define arch_spin_relax(lock) cpu_relax()
#define arch_read_relax(lock) cpu_relax()