/***********************************************************/
-static inline int __raw_read_can_lock(raw_rwlock_t *lock)
+static inline int __raw_read_can_lock(arch_rwlock_t *lock)
{
return (lock->lock & 1) == 0;
}
-static inline int __raw_write_can_lock(raw_rwlock_t *lock)
+static inline int __raw_write_can_lock(arch_rwlock_t *lock)
{
return lock->lock == 0;
}
-static inline void __raw_read_lock(raw_rwlock_t *lock)
+static inline void __raw_read_lock(arch_rwlock_t *lock)
{
long regx;
: "m" (*lock) : "memory");
}
-static inline void __raw_write_lock(raw_rwlock_t *lock)
+static inline void __raw_write_lock(arch_rwlock_t *lock)
{
long regx;
: "m" (*lock) : "memory");
}
-static inline int __raw_read_trylock(raw_rwlock_t * lock)
+static inline int __raw_read_trylock(arch_rwlock_t * lock)
{
long regx;
int success;
return success;
}
-static inline int __raw_write_trylock(raw_rwlock_t * lock)
+static inline int __raw_write_trylock(arch_rwlock_t * lock)
{
long regx;
int success;
return success;
}
-static inline void __raw_read_unlock(raw_rwlock_t * lock)
+static inline void __raw_read_unlock(arch_rwlock_t * lock)
{
long regx;
__asm__ __volatile__(
: "m" (*lock) : "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t * lock)
+static inline void __raw_write_unlock(arch_rwlock_t * lock)
{
mb();
lock->lock = 0;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
* just write zero since the lock is exclusively held.
*/
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
smp_mb();
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp;
}
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
smp_mb();
* currently active. However, we know we won't have any write
* locks.
*/
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2;
smp_mb();
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2;
: "cc");
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2 = 1;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
cpu_relax();
}
-static inline int __raw_read_can_lock(raw_rwlock_t *rw)
+static inline int __raw_read_can_lock(arch_rwlock_t *rw)
{
return __raw_uncached_fetch_asm(&rw->lock) > 0;
}
-static inline int __raw_write_can_lock(raw_rwlock_t *rw)
+static inline int __raw_write_can_lock(arch_rwlock_t *rw)
{
return __raw_uncached_fetch_asm(&rw->lock) == RW_LOCK_BIAS;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
__raw_read_lock_asm(&rw->lock);
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
return __raw_read_trylock_asm(&rw->lock);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
__raw_read_unlock_asm(&rw->lock);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
__raw_write_lock_asm(&rw->lock);
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
return __raw_write_trylock_asm(&rw->lock);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
__raw_write_unlock_asm(&rw->lock);
}
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
+#define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
#endif
*
*/
-static inline int __raw_read_can_lock(raw_rwlock_t *x)
+static inline int __raw_read_can_lock(arch_rwlock_t *x)
{
return (int)(x)->lock > 0;
}
-static inline int __raw_write_can_lock(raw_rwlock_t *x)
+static inline int __raw_write_can_lock(arch_rwlock_t *x)
{
return (x)->lock == RW_LOCK_BIAS;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
arch_spin_lock(&rw->slock);
while (rw->lock == 0);
arch_spin_unlock(&rw->slock);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
arch_spin_lock(&rw->slock);
while (rw->lock != RW_LOCK_BIAS);
arch_spin_unlock(&rw->slock);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
arch_spin_lock(&rw->slock);
rw->lock++;
arch_spin_unlock(&rw->slock);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
arch_spin_lock(&rw->slock);
while (rw->lock != RW_LOCK_BIAS);
arch_spin_unlock(&rw->slock);
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
int ret = 0;
arch_spin_lock(&rw->slock);
return ret;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
int ret = 0;
arch_spin_lock(&rw->slock);
#ifdef ASM_SUPPORTED
static __always_inline void
-__raw_read_lock_flags(raw_rwlock_t *lock, unsigned long flags)
+__raw_read_lock_flags(arch_rwlock_t *lock, unsigned long flags)
{
__asm__ __volatile__ (
"tbit.nz p6, p0 = %1,%2\n"
#define __raw_read_lock(rw) \
do { \
- raw_rwlock_t *__read_lock_ptr = (rw); \
+ arch_rwlock_t *__read_lock_ptr = (rw); \
\
while (unlikely(ia64_fetchadd(1, (int *) __read_lock_ptr, acq) < 0)) { \
ia64_fetchadd(-1, (int *) __read_lock_ptr, rel); \
#define __raw_read_unlock(rw) \
do { \
- raw_rwlock_t *__read_lock_ptr = (rw); \
+ arch_rwlock_t *__read_lock_ptr = (rw); \
ia64_fetchadd(-1, (int *) __read_lock_ptr, rel); \
} while (0)
#ifdef ASM_SUPPORTED
static __always_inline void
-__raw_write_lock_flags(raw_rwlock_t *lock, unsigned long flags)
+__raw_write_lock_flags(arch_rwlock_t *lock, unsigned long flags)
{
__asm__ __volatile__ (
"tbit.nz p6, p0 = %1, %2\n"
(result == 0); \
})
-static inline void __raw_write_unlock(raw_rwlock_t *x)
+static inline void __raw_write_unlock(arch_rwlock_t *x)
{
u8 *y = (u8 *)x;
barrier();
(ia64_val == 0); \
})
-static inline void __raw_write_unlock(raw_rwlock_t *x)
+static inline void __raw_write_unlock(arch_rwlock_t *x)
{
barrier();
x->write_lock = 0;
#endif /* !ASM_SUPPORTED */
-static inline int __raw_read_trylock(raw_rwlock_t *x)
+static inline int __raw_read_trylock(arch_rwlock_t *x)
{
union {
- raw_rwlock_t lock;
+ arch_rwlock_t lock;
__u32 word;
} old, new;
old.lock = new.lock = *x;
typedef struct {
volatile unsigned int read_counter : 31;
volatile unsigned int write_lock : 1;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0, 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0, 0 }
#endif
*/
#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp0, tmp1;
);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp0, tmp1, tmp2;
);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp0, tmp1;
);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
unsigned long tmp0, tmp1, tmp2;
);
}
-static inline int __raw_read_trylock(raw_rwlock_t *lock)
+static inline int __raw_read_trylock(arch_rwlock_t *lock)
{
atomic_t *count = (atomic_t*)lock;
if (atomic_dec_return(count) >= 0)
return 0;
}
-static inline int __raw_write_trylock(raw_rwlock_t *lock)
+static inline int __raw_write_trylock(arch_rwlock_t *lock)
{
atomic_t *count = (atomic_t *)lock;
if (atomic_sub_and_test(RW_LOCK_BIAS, count))
typedef struct {
volatile int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
#define RW_LOCK_BIAS 0x01000000
#define RW_LOCK_BIAS_STR "0x01000000"
-#define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
+#define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
#endif /* _ASM_M32R_SPINLOCK_TYPES_H */
*/
#define __raw_write_can_lock(rw) (!(rw)->lock)
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned int tmp;
/* Note the use of sub, not subu which will make the kernel die with an
overflow exception if we ever try to unlock an rwlock that is already
unlocked or is being held by a writer. */
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned int tmp;
}
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
unsigned int tmp;
smp_llsc_mb();
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
smp_mb();
: "memory");
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned int tmp;
int ret;
return ret;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
unsigned int tmp;
int ret;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ void __raw_read_lock(raw_rwlock_t *rw)
+static __inline__ void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned long flags;
local_irq_save(flags);
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ void __raw_read_unlock(raw_rwlock_t *rw)
+static __inline__ void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned long flags;
local_irq_save(flags);
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
+static __inline__ int __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned long flags;
retry:
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ void __raw_write_lock(raw_rwlock_t *rw)
+static __inline__ void __raw_write_lock(arch_rwlock_t *rw)
{
unsigned long flags;
retry:
local_irq_restore(flags);
}
-static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
+static __inline__ void __raw_write_unlock(arch_rwlock_t *rw)
{
rw->counter = 0;
arch_spin_unlock(&rw->lock);
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
+static __inline__ int __raw_write_trylock(arch_rwlock_t *rw)
{
unsigned long flags;
int result = 0;
* read_can_lock - would read_trylock() succeed?
* @lock: the rwlock in question.
*/
-static __inline__ int __raw_read_can_lock(raw_rwlock_t *rw)
+static __inline__ int __raw_read_can_lock(arch_rwlock_t *rw)
{
return rw->counter >= 0;
}
* write_can_lock - would write_trylock() succeed?
* @lock: the rwlock in question.
*/
-static __inline__ int __raw_write_can_lock(raw_rwlock_t *rw)
+static __inline__ int __raw_write_can_lock(arch_rwlock_t *rw)
{
return !rw->counter;
}
typedef struct {
arch_spinlock_t lock;
volatile int counter;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { __ARCH_SPIN_LOCK_UNLOCKED, 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { __ARCH_SPIN_LOCK_UNLOCKED, 0 }
#endif
/* We only yield to the hypervisor if we are in shared processor mode */
#define SHARED_PROCESSOR (get_lppaca()->shared_proc)
extern void __spin_yield(arch_spinlock_t *lock);
-extern void __rw_yield(raw_rwlock_t *lock);
+extern void __rw_yield(arch_rwlock_t *lock);
#else /* SPLPAR || ISERIES */
#define __spin_yield(x) barrier()
#define __rw_yield(x) barrier()
* This returns the old value in the lock + 1,
* so we got a read lock if the return value is > 0.
*/
-static inline long arch_read_trylock(raw_rwlock_t *rw)
+static inline long arch_read_trylock(arch_rwlock_t *rw)
{
long tmp;
* This returns the old value in the lock,
* so we got the write lock if the return value is 0.
*/
-static inline long arch_write_trylock(raw_rwlock_t *rw)
+static inline long arch_write_trylock(arch_rwlock_t *rw)
{
long tmp, token;
return tmp;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_read_trylock(rw) > 0))
}
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_write_trylock(rw) == 0))
}
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
return arch_read_trylock(rw) > 0;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
return arch_write_trylock(rw) == 0;
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
long tmp;
: "cr0", "xer", "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__("# write_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
typedef struct {
volatile signed int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
* This turns out to be the same for read and write locks, since
* we only know the holder if it is write-locked.
*/
-void __rw_yield(raw_rwlock_t *rw)
+void __rw_yield(arch_rwlock_t *rw)
{
int lock_value;
unsigned int holder_cpu, yield_count;
*/
#define __raw_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);
-
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+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(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
_raw_read_lock_wait(rw);
}
-static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags)
+static inline void __raw_read_lock_flags(arch_rwlock_t *rw, unsigned long flags)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
_raw_read_lock_wait_flags(rw, flags);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned int old, cmp;
} while (cmp != old);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_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 __raw_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 __raw_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 __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
return _raw_read_trylock_retry(rw);
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
if (likely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0))
return 1;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
}
EXPORT_SYMBOL(arch_spin_relax);
-void _raw_read_lock_wait(raw_rwlock_t *rw)
+void _raw_read_lock_wait(arch_rwlock_t *rw)
{
unsigned int old;
int count = spin_retry;
}
EXPORT_SYMBOL(_raw_read_lock_wait);
-void _raw_read_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
+void _raw_read_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
{
unsigned int old;
int count = spin_retry;
}
EXPORT_SYMBOL(_raw_read_lock_wait_flags);
-int _raw_read_trylock_retry(raw_rwlock_t *rw)
+int _raw_read_trylock_retry(arch_rwlock_t *rw)
{
unsigned int old;
int count = spin_retry;
}
EXPORT_SYMBOL(_raw_read_trylock_retry);
-void _raw_write_lock_wait(raw_rwlock_t *rw)
+void _raw_write_lock_wait(arch_rwlock_t *rw)
{
int count = spin_retry;
}
EXPORT_SYMBOL(_raw_write_lock_wait);
-void _raw_write_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
+void _raw_write_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
{
int count = spin_retry;
}
EXPORT_SYMBOL(_raw_write_lock_wait_flags);
-int _raw_write_trylock_retry(raw_rwlock_t *rw)
+int _raw_write_trylock_retry(arch_rwlock_t *rw)
{
int count = spin_retry;
*/
#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp;
);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__ (
"mov.l %1, @%0 ! __raw_write_unlock \n\t"
);
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, oldval;
return (oldval > 0);
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, oldval;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
#define RW_LOCK_BIAS 0x01000000
-#define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
+#define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
#endif
* Sort of like atomic_t's on Sparc, but even more clever.
*
* ------------------------------------
- * | 24-bit counter | wlock | raw_rwlock_t
+ * | 24-bit counter | wlock | arch_rwlock_t
* ------------------------------------
* 31 8 7 0
*
*
* Unfortunately this scheme limits us to ~16,000,000 cpus.
*/
-static inline void arch_read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
local_irq_restore(flags); \
} while(0)
-static inline void arch_read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
local_irq_restore(flags); \
} while(0)
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
*(volatile __u32 *)&lp->lock = ~0U;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
unsigned int val;
return (val == 0);
}
-static inline int arch_read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
register int res asm("o0");
lp = rw;
__asm__ __volatile__(
/* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
-static void inline arch_read_lock(raw_rwlock_t *lock)
+static void inline arch_read_lock(arch_rwlock_t *lock)
{
unsigned long tmp1, tmp2;
: "memory");
}
-static int inline arch_read_trylock(raw_rwlock_t *lock)
+static int inline arch_read_trylock(arch_rwlock_t *lock)
{
int tmp1, tmp2;
return tmp1;
}
-static void inline arch_read_unlock(raw_rwlock_t *lock)
+static void inline arch_read_unlock(arch_rwlock_t *lock)
{
unsigned long tmp1, tmp2;
: "memory");
}
-static void inline arch_write_lock(raw_rwlock_t *lock)
+static void inline arch_write_lock(arch_rwlock_t *lock)
{
unsigned long mask, tmp1, tmp2;
: "memory");
}
-static void inline arch_write_unlock(raw_rwlock_t *lock)
+static void inline arch_write_unlock(arch_rwlock_t *lock)
{
__asm__ __volatile__(
" stw %%g0, [%0]"
: "memory");
}
-static int inline arch_write_trylock(raw_rwlock_t *lock)
+static int inline arch_write_trylock(arch_rwlock_t *lock)
{
unsigned long mask, tmp1, tmp2, result;
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
* read_can_lock - would read_trylock() succeed?
* @lock: the rwlock in question.
*/
-static inline int __raw_read_can_lock(raw_rwlock_t *lock)
+static inline int __raw_read_can_lock(arch_rwlock_t *lock)
{
return (int)(lock)->lock > 0;
}
* write_can_lock - would write_trylock() succeed?
* @lock: the rwlock in question.
*/
-static inline int __raw_write_can_lock(raw_rwlock_t *lock)
+static inline int __raw_write_can_lock(arch_rwlock_t *lock)
{
return (lock)->lock == RW_LOCK_BIAS;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t"
"jns 1f\n"
::LOCK_PTR_REG (rw) : "memory");
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
asm volatile(LOCK_PREFIX " subl %1,(%0)\n\t"
"jz 1f\n"
::LOCK_PTR_REG (rw), "i" (RW_LOCK_BIAS) : "memory");
}
-static inline int __raw_read_trylock(raw_rwlock_t *lock)
+static inline int __raw_read_trylock(arch_rwlock_t *lock)
{
atomic_t *count = (atomic_t *)lock;
return 0;
}
-static inline int __raw_write_trylock(raw_rwlock_t *lock)
+static inline int __raw_write_trylock(arch_rwlock_t *lock)
{
atomic_t *count = (atomic_t *)lock;
return 0;
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
asm volatile(LOCK_PREFIX "addl %1, %0"
: "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory");
typedef struct {
unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
+#define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS }
#endif /* _ASM_X86_SPINLOCK_TYPES_H */
* Released under the General Public License (GPL).
*/
typedef struct {
- raw_rwlock_t raw_lock;
+ arch_rwlock_t raw_lock;
#ifdef CONFIG_GENERIC_LOCKBREAK
unsigned int break_lock;
#endif
#ifdef CONFIG_DEBUG_SPINLOCK
#define __RW_LOCK_UNLOCKED(lockname) \
- (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \
+ (rwlock_t) { .raw_lock = __ARCH_RW_LOCK_UNLOCKED, \
.magic = RWLOCK_MAGIC, \
.owner = SPINLOCK_OWNER_INIT, \
.owner_cpu = -1, \
RW_DEP_MAP_INIT(lockname) }
#else
#define __RW_LOCK_UNLOCKED(lockname) \
- (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \
+ (rwlock_t) { .raw_lock = __ARCH_RW_LOCK_UNLOCKED, \
RW_DEP_MAP_INIT(lockname) }
#endif
*
* on SMP builds:
*
- * asm/spinlock_types.h: contains the arch_spinlock_t/raw_rwlock_t and the
+ * asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the
* initializers
*
* linux/spinlock_types.h:
#define __lockfunc __attribute__((section(".spinlock.text")))
/*
- * Pull the arch_spinlock_t and raw_rwlock_t definitions:
+ * Pull the arch_spinlock_t and arch_rwlock_t definitions:
*/
#include <linux/spinlock_types.h>
typedef struct {
/* no debug version on UP */
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { }
+#define __ARCH_RW_LOCK_UNLOCKED { }
#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
debug_check_no_locks_freed((void *)lock, sizeof(*lock));
lockdep_init_map(&lock->dep_map, name, key, 0);
#endif
- lock->raw_lock = (raw_rwlock_t) __RAW_RW_LOCK_UNLOCKED;
+ lock->raw_lock = (arch_rwlock_t) __ARCH_RW_LOCK_UNLOCKED;
lock->magic = RWLOCK_MAGIC;
lock->owner = SPINLOCK_OWNER_INIT;
lock->owner_cpu = -1;
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff