Merge /spare/repo/linux-2.6/

1 files changed, 22 insertions, 138 deletions

diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h
index a02c4370eb42..ec85d12d73b9 100644
--- a/include/asm-sparc64/spinlock.h
+++ b/include/asm-sparc64/spinlock.h
@@ -29,24 +29,13 @@
  * must be pre-V9 branches.
  */
 
-#ifndef CONFIG_DEBUG_SPINLOCK
+#define __raw_spin_is_locked(lp)	((lp)->lock != 0)
 
-typedef struct {
-	volatile unsigned char lock;
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} spinlock_t;
-#define SPIN_LOCK_UNLOCKED	(spinlock_t) {0,}
+#define __raw_spin_unlock_wait(lp)	\
+	do {	rmb();			\
+	} while((lp)->lock)
 
-#define spin_lock_init(lp)	do { *(lp)= SPIN_LOCK_UNLOCKED; } while(0)
-#define spin_is_locked(lp)  ((lp)->lock != 0)
-
-#define spin_unlock_wait(lp)	\
-do {	rmb();			\
-} while((lp)->lock)
-
-static inline void _raw_spin_lock(spinlock_t *lock)
+static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
 	unsigned long tmp;
 
@@ -67,7 +56,7 @@ static inline void _raw_spin_lock(spinlock_t *lock)
 	: "memory");
 }
 
-static inline int _raw_spin_trylock(spinlock_t *lock)
+static inline int __raw_spin_trylock(raw_spinlock_t *lock)
 {
 	unsigned long result;
 
@@ -81,7 +70,7 @@ static inline int _raw_spin_trylock(spinlock_t *lock)
 	return (result == 0UL);
 }
 
-static inline void _raw_spin_unlock(spinlock_t *lock)
+static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
 	__asm__ __volatile__(
 "	membar		#StoreStore | #LoadStore\n"
@@ -91,7 +80,7 @@ static inline void _raw_spin_unlock(spinlock_t *lock)
 	: "memory");
 }
 
-static inline void _raw_spin_lock_flags(spinlock_t *lock, unsigned long flags)
+static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
 {
 	unsigned long tmp1, tmp2;
 
@@ -115,51 +104,9 @@ static inline void _raw_spin_lock_flags(spinlock_t *lock, unsigned long flags)
 	: "memory");
 }
 
-#else /* !(CONFIG_DEBUG_SPINLOCK) */
-
-typedef struct {
-	volatile unsigned char lock;
-	unsigned int owner_pc, owner_cpu;
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} spinlock_t;
-#define SPIN_LOCK_UNLOCKED (spinlock_t) { 0, 0, 0xff }
-#define spin_lock_init(lp)	do { *(lp)= SPIN_LOCK_UNLOCKED; } while(0)
-#define spin_is_locked(__lock)	((__lock)->lock != 0)
-#define spin_unlock_wait(__lock)	\
-do { \
-	rmb(); \
-} while((__lock)->lock)
-
-extern void _do_spin_lock(spinlock_t *lock, char *str, unsigned long caller);
-extern void _do_spin_unlock(spinlock_t *lock);
-extern int _do_spin_trylock(spinlock_t *lock, unsigned long caller);
-
-#define _raw_spin_trylock(lp)	\
-	_do_spin_trylock(lp, (unsigned long) __builtin_return_address(0))
-#define _raw_spin_lock(lock)	\
-	_do_spin_lock(lock, "spin_lock", \
-		      (unsigned long) __builtin_return_address(0))
-#define _raw_spin_unlock(lock)	_do_spin_unlock(lock)
-#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
-
-#endif /* CONFIG_DEBUG_SPINLOCK */
-
 /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
 
-#ifndef CONFIG_DEBUG_SPINLOCK
-
-typedef struct {
-	volatile unsigned int lock;
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} rwlock_t;
-#define RW_LOCK_UNLOCKED	(rwlock_t) {0,}
-#define rwlock_init(lp) do { *(lp) = RW_LOCK_UNLOCKED; } while(0)
-
-static void inline __read_lock(rwlock_t *lock)
+static void inline __read_lock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -184,7 +131,7 @@ static void inline __read_lock(rwlock_t *lock)
 	: "memory");
 }
 
-static void inline __read_unlock(rwlock_t *lock)
+static void inline __read_unlock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -201,7 +148,7 @@ static void inline __read_unlock(rwlock_t *lock)
 	: "memory");
 }
 
-static void inline __write_lock(rwlock_t *lock)
+static void inline __write_lock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2;
 
@@ -228,7 +175,7 @@ static void inline __write_lock(rwlock_t *lock)
 	: "memory");
 }
 
-static void inline __write_unlock(rwlock_t *lock)
+static void inline __write_unlock(raw_rwlock_t *lock)
 {
 	__asm__ __volatile__(
 "	membar		#LoadStore | #StoreStore\n"
@@ -238,7 +185,7 @@ static void inline __write_unlock(rwlock_t *lock)
 	: "memory");
 }
 
-static int inline __write_trylock(rwlock_t *lock)
+static int inline __write_trylock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2, result;
 
@@ -263,78 +210,15 @@ static int inline __write_trylock(rwlock_t *lock)
 	return result;
 }
 
-#define _raw_read_lock(p)	__read_lock(p)
-#define _raw_read_unlock(p)	__read_unlock(p)
-#define _raw_write_lock(p)	__write_lock(p)
-#define _raw_write_unlock(p)	__write_unlock(p)
-#define _raw_write_trylock(p)	__write_trylock(p)
-
-#else /* !(CONFIG_DEBUG_SPINLOCK) */
-
-typedef struct {
-	volatile unsigned long lock;
-	unsigned int writer_pc, writer_cpu;
-	unsigned int reader_pc[NR_CPUS];
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} rwlock_t;
-#define RW_LOCK_UNLOCKED	(rwlock_t) { 0, 0, 0xff, { } }
-#define rwlock_init(lp) do { *(lp) = RW_LOCK_UNLOCKED; } while(0)
-
-extern void _do_read_lock(rwlock_t *rw, char *str, unsigned long caller);
-extern void _do_read_unlock(rwlock_t *rw, char *str, unsigned long caller);
-extern void _do_write_lock(rwlock_t *rw, char *str, unsigned long caller);
-extern void _do_write_unlock(rwlock_t *rw, unsigned long caller);
-extern int _do_write_trylock(rwlock_t *rw, char *str, unsigned long caller);
-
-#define _raw_read_lock(lock) \
-do {	unsigned long flags; \
-	local_irq_save(flags); \
-	_do_read_lock(lock, "read_lock", \
-		      (unsigned long) __builtin_return_address(0)); \
-	local_irq_restore(flags); \
-} while(0)
-
-#define _raw_read_unlock(lock) \
-do {	unsigned long flags; \
-	local_irq_save(flags); \
-	_do_read_unlock(lock, "read_unlock", \
-		      (unsigned long) __builtin_return_address(0)); \
-	local_irq_restore(flags); \
-} while(0)
-
-#define _raw_write_lock(lock) \
-do {	unsigned long flags; \
-	local_irq_save(flags); \
-	_do_write_lock(lock, "write_lock", \
-		      (unsigned long) __builtin_return_address(0)); \
-	local_irq_restore(flags); \
-} while(0)
-
-#define _raw_write_unlock(lock) \
-do {	unsigned long flags; \
-	local_irq_save(flags); \
-	_do_write_unlock(lock, \
-		      (unsigned long) __builtin_return_address(0)); \
-	local_irq_restore(flags); \
-} while(0)
-
-#define _raw_write_trylock(lock) \
-({	unsigned long flags; \
-	int val; \
-	local_irq_save(flags); \
-	val = _do_write_trylock(lock, "write_trylock", \
-				(unsigned long) __builtin_return_address(0)); \
-	local_irq_restore(flags); \
-	val; \
-})
-
-#endif /* CONFIG_DEBUG_SPINLOCK */
-
-#define _raw_read_trylock(lock) generic_raw_read_trylock(lock)
-#define read_can_lock(rw)	(!((rw)->lock & 0x80000000UL))
-#define write_can_lock(rw)	(!(rw)->lock)
+#define __raw_read_lock(p)	__read_lock(p)
+#define __raw_read_unlock(p)	__read_unlock(p)
+#define __raw_write_lock(p)	__write_lock(p)
+#define __raw_write_unlock(p)	__write_unlock(p)
+#define __raw_write_trylock(p)	__write_trylock(p)
+
+#define __raw_read_trylock(lock)	generic__raw_read_trylock(lock)
+#define __raw_read_can_lock(rw)		(!((rw)->lock & 0x80000000UL))
+#define __raw_write_can_lock(rw)	(!(rw)->lock)
 
 #endif /* !(__ASSEMBLY__) */