1 files changed, 67 insertions, 328 deletions

diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index 7a7e18fc2415..e253ccd7a604 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -17,184 +17,76 @@
 
 int in_lock_functions(unsigned long addr);
 
-#define assert_spin_locked(x)   BUG_ON(!spin_is_locked(x))
+#define assert_raw_spin_locked(x)       BUG_ON(!raw_spin_is_locked(x))
 
-void __lockfunc _spin_lock(spinlock_t *lock)            __acquires(lock);
-void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
-                                                        __acquires(lock);
-void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *map)
-                                                        __acquires(lock);
-void __lockfunc _read_lock(rwlock_t *lock)              __acquires(lock);
-void __lockfunc _write_lock(rwlock_t *lock)             __acquires(lock);
-void __lockfunc _spin_lock_bh(spinlock_t *lock)         __acquires(lock);
-void __lockfunc _read_lock_bh(rwlock_t *lock)           __acquires(lock);
-void __lockfunc _write_lock_bh(rwlock_t *lock)          __acquires(lock);
-void __lockfunc _spin_lock_irq(spinlock_t *lock)        __acquires(lock);
-void __lockfunc _read_lock_irq(rwlock_t *lock)          __acquires(lock);
-void __lockfunc _write_lock_irq(rwlock_t *lock)         __acquires(lock);
-unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
-                                                        __acquires(lock);
-unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
-                                                        __acquires(lock);
-unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
-                                                        __acquires(lock);
-unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
-                                                        __acquires(lock);
-int __lockfunc _spin_trylock(spinlock_t *lock);
-int __lockfunc _read_trylock(rwlock_t *lock);
-int __lockfunc _write_trylock(rwlock_t *lock);
-int __lockfunc _spin_trylock_bh(spinlock_t *lock);
-void __lockfunc _spin_unlock(spinlock_t *lock)          __releases(lock);
-void __lockfunc _read_unlock(rwlock_t *lock)            __releases(lock);
-void __lockfunc _write_unlock(rwlock_t *lock)           __releases(lock);
-void __lockfunc _spin_unlock_bh(spinlock_t *lock)       __releases(lock);
-void __lockfunc _read_unlock_bh(rwlock_t *lock)         __releases(lock);
-void __lockfunc _write_unlock_bh(rwlock_t *lock)        __releases(lock);
-void __lockfunc _spin_unlock_irq(spinlock_t *lock)      __releases(lock);
-void __lockfunc _read_unlock_irq(rwlock_t *lock)        __releases(lock);
-void __lockfunc _write_unlock_irq(rwlock_t *lock)       __releases(lock);
-void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
-                                                        __releases(lock);
-void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-                                                        __releases(lock);
-void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-                                                        __releases(lock);
+void __lockfunc _raw_spin_lock(raw_spinlock_t *lock)            __acquires(lock);
+void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass)
+                                                                __acquires(lock);
+void __lockfunc
+_raw_spin_lock_nest_lock(raw_spinlock_t *lock, struct lockdep_map *map)
+                                                                __acquires(lock);
+void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock)         __acquires(lock);
+void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock)
+                                                                __acquires(lock);
 
-/*
- * We inline the unlock functions in the nondebug case:
- */
-#if !defined(CONFIG_DEBUG_SPINLOCK) && !defined(CONFIG_PREEMPT)
-#define __always_inline__spin_unlock
-#define __always_inline__read_unlock
-#define __always_inline__write_unlock
-#define __always_inline__spin_unlock_irq
-#define __always_inline__read_unlock_irq
-#define __always_inline__write_unlock_irq
-#endif
-
-#ifndef CONFIG_DEBUG_SPINLOCK
-#ifndef CONFIG_GENERIC_LOCKBREAK
-
-#ifdef __always_inline__spin_lock
-#define _spin_lock(lock) __spin_lock(lock)
-#endif
-
-#ifdef __always_inline__read_lock
-#define _read_lock(lock) __read_lock(lock)
-#endif
-
-#ifdef __always_inline__write_lock
-#define _write_lock(lock) __write_lock(lock)
-#endif
-
-#ifdef __always_inline__spin_lock_bh
-#define _spin_lock_bh(lock) __spin_lock_bh(lock)
-#endif
-
-#ifdef __always_inline__read_lock_bh
-#define _read_lock_bh(lock) __read_lock_bh(lock)
-#endif
-
-#ifdef __always_inline__write_lock_bh
-#define _write_lock_bh(lock) __write_lock_bh(lock)
-#endif
-
-#ifdef __always_inline__spin_lock_irq
-#define _spin_lock_irq(lock) __spin_lock_irq(lock)
-#endif
+unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
+                                                                __acquires(lock);
+unsigned long __lockfunc
+_raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass)
+                                                                __acquires(lock);
+int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock);
+int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock);
+void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock)          __releases(lock);
+void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock)       __releases(lock);
+void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock)      __releases(lock);
+void __lockfunc
+_raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags)
+                                                                __releases(lock);
 
-#ifdef __always_inline__read_lock_irq
-#define _read_lock_irq(lock) __read_lock_irq(lock)
+#ifdef CONFIG_INLINE_SPIN_LOCK
+#define _raw_spin_lock(lock) __raw_spin_lock(lock)
 #endif
 
-#ifdef __always_inline__write_lock_irq
-#define _write_lock_irq(lock) __write_lock_irq(lock)
+#ifdef CONFIG_INLINE_SPIN_LOCK_BH
+#define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock)
 #endif
 
-#ifdef __always_inline__spin_lock_irqsave
-#define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock)
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQ
+#define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock)
 #endif
 
-#ifdef __always_inline__read_lock_irqsave
-#define _read_lock_irqsave(lock) __read_lock_irqsave(lock)
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
+#define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock)
 #endif
 
-#ifdef __always_inline__write_lock_irqsave
-#define _write_lock_irqsave(lock) __write_lock_irqsave(lock)
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK
+#define _raw_spin_trylock(lock) __raw_spin_trylock(lock)
 #endif
 
-#endif /* !CONFIG_GENERIC_LOCKBREAK */
-
-#ifdef __always_inline__spin_trylock
-#define _spin_trylock(lock) __spin_trylock(lock)
-#endif
-
-#ifdef __always_inline__read_trylock
-#define _read_trylock(lock) __read_trylock(lock)
-#endif
-
-#ifdef __always_inline__write_trylock
-#define _write_trylock(lock) __write_trylock(lock)
-#endif
-
-#ifdef __always_inline__spin_trylock_bh
-#define _spin_trylock_bh(lock) __spin_trylock_bh(lock)
-#endif
-
-#ifdef __always_inline__spin_unlock
-#define _spin_unlock(lock) __spin_unlock(lock)
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH
+#define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock)
 #endif
 
-#ifdef __always_inline__read_unlock
-#define _read_unlock(lock) __read_unlock(lock)
+#ifdef CONFIG_INLINE_SPIN_UNLOCK
+#define _raw_spin_unlock(lock) __raw_spin_unlock(lock)
 #endif
 
-#ifdef __always_inline__write_unlock
-#define _write_unlock(lock) __write_unlock(lock)
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_BH
+#define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock)
 #endif
 
-#ifdef __always_inline__spin_unlock_bh
-#define _spin_unlock_bh(lock) __spin_unlock_bh(lock)
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ
+#define _raw_spin_unlock_irq(lock) __raw_spin_unlock_irq(lock)
 #endif
 
-#ifdef __always_inline__read_unlock_bh
-#define _read_unlock_bh(lock) __read_unlock_bh(lock)
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
+#define _raw_spin_unlock_irqrestore(lock, flags) __raw_spin_unlock_irqrestore(lock, flags)
 #endif
 
-#ifdef __always_inline__write_unlock_bh
-#define _write_unlock_bh(lock) __write_unlock_bh(lock)
-#endif
-
-#ifdef __always_inline__spin_unlock_irq
-#define _spin_unlock_irq(lock) __spin_unlock_irq(lock)
-#endif
-
-#ifdef __always_inline__read_unlock_irq
-#define _read_unlock_irq(lock) __read_unlock_irq(lock)
-#endif
-
-#ifdef __always_inline__write_unlock_irq
-#define _write_unlock_irq(lock) __write_unlock_irq(lock)
-#endif
-
-#ifdef __always_inline__spin_unlock_irqrestore
-#define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags)
-#endif
-
-#ifdef __always_inline__read_unlock_irqrestore
-#define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags)
-#endif
-
-#ifdef __always_inline__write_unlock_irqrestore
-#define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags)
-#endif
-
-#endif /* CONFIG_DEBUG_SPINLOCK */
-
-static inline int __spin_trylock(spinlock_t *lock)
+static inline int __raw_spin_trylock(raw_spinlock_t *lock)
 {
         preempt_disable();
-        if (_raw_spin_trylock(lock)) {
+        if (do_raw_spin_trylock(lock)) {
                 spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
                 return 1;
         }
@@ -202,28 +94,6 @@ static inline int __spin_trylock(spinlock_t *lock)
         return 0;
 }
 
-static inline int __read_trylock(rwlock_t *lock)
-{
-        preempt_disable();
-        if (_raw_read_trylock(lock)) {
-                rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
-                return 1;
-        }
-        preempt_enable();
-        return 0;
-}
-
-static inline int __write_trylock(rwlock_t *lock)
-{
-        preempt_disable();
-        if (_raw_write_trylock(lock)) {
-                rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
-                return 1;
-        }
-        preempt_enable();
-        return 0;
-}
-
 /*
  * If lockdep is enabled then we use the non-preemption spin-ops
  * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
@@ -231,14 +101,7 @@ static inline int __write_trylock(rwlock_t *lock)
  */
 #if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
 
-static inline void __read_lock(rwlock_t *lock)
-{
-        preempt_disable();
-        rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
+static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
 {
         unsigned long flags;
 
@@ -247,205 +110,79 @@ static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
         spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
         /*
          * On lockdep we dont want the hand-coded irq-enable of
-         * _raw_spin_lock_flags() code, because lockdep assumes
+         * do_raw_spin_lock_flags() code, because lockdep assumes
          * that interrupts are not re-enabled during lock-acquire:
          */
 #ifdef CONFIG_LOCKDEP
-        LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+        LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 #else
-        _raw_spin_lock_flags(lock, &flags);
+        do_raw_spin_lock_flags(lock, &flags);
 #endif
         return flags;
 }
 
-static inline void __spin_lock_irq(spinlock_t *lock)
+static inline void __raw_spin_lock_irq(raw_spinlock_t *lock)
 {
         local_irq_disable();
         preempt_disable();
         spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+        LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
-static inline void __spin_lock_bh(spinlock_t *lock)
+static inline void __raw_spin_lock_bh(raw_spinlock_t *lock)
 {
         local_bh_disable();
         preempt_disable();
         spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+        LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
-static inline unsigned long __read_lock_irqsave(rwlock_t *lock)
-{
-        unsigned long flags;
-
-        local_irq_save(flags);
-        preempt_disable();
-        rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
-                             _raw_read_lock_flags, &flags);
-        return flags;
-}
-
-static inline void __read_lock_irq(rwlock_t *lock)
-{
-        local_irq_disable();
-        preempt_disable();
-        rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline void __read_lock_bh(rwlock_t *lock)
-{
-        local_bh_disable();
-        preempt_disable();
-        rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline unsigned long __write_lock_irqsave(rwlock_t *lock)
-{
-        unsigned long flags;
-
-        local_irq_save(flags);
-        preempt_disable();
-        rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
-                             _raw_write_lock_flags, &flags);
-        return flags;
-}
-
-static inline void __write_lock_irq(rwlock_t *lock)
-{
-        local_irq_disable();
-        preempt_disable();
-        rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
-static inline void __write_lock_bh(rwlock_t *lock)
-{
-        local_bh_disable();
-        preempt_disable();
-        rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
-static inline void __spin_lock(spinlock_t *lock)
+static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
         preempt_disable();
         spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
-}
-
-static inline void __write_lock(rwlock_t *lock)
-{
-        preempt_disable();
-        rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-        LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+        LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
 #endif /* CONFIG_PREEMPT */
 
-static inline void __spin_unlock(spinlock_t *lock)
+static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
         spin_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_spin_unlock(lock);
-        preempt_enable();
-}
-
-static inline void __write_unlock(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_write_unlock(lock);
+        do_raw_spin_unlock(lock);
         preempt_enable();
 }
 
-static inline void __read_unlock(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_read_unlock(lock);
-        preempt_enable();
-}
-
-static inline void __spin_unlock_irqrestore(spinlock_t *lock,
+static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
                                             unsigned long flags)
 {
         spin_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_spin_unlock(lock);
+        do_raw_spin_unlock(lock);
         local_irq_restore(flags);
         preempt_enable();
 }
 
-static inline void __spin_unlock_irq(spinlock_t *lock)
+static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)
 {
         spin_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_spin_unlock(lock);
+        do_raw_spin_unlock(lock);
         local_irq_enable();
         preempt_enable();
 }
 
-static inline void __spin_unlock_bh(spinlock_t *lock)
+static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock)
 {
         spin_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_spin_unlock(lock);
+        do_raw_spin_unlock(lock);
         preempt_enable_no_resched();
         local_bh_enable_ip((unsigned long)__builtin_return_address(0));
 }
 
-static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_read_unlock(lock);
-        local_irq_restore(flags);
-        preempt_enable();
-}
-
-static inline void __read_unlock_irq(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_read_unlock(lock);
-        local_irq_enable();
-        preempt_enable();
-}
-
-static inline void __read_unlock_bh(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_read_unlock(lock);
-        preempt_enable_no_resched();
-        local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
-static inline void __write_unlock_irqrestore(rwlock_t *lock,
-                                             unsigned long flags)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_write_unlock(lock);
-        local_irq_restore(flags);
-        preempt_enable();
-}
-
-static inline void __write_unlock_irq(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_write_unlock(lock);
-        local_irq_enable();
-        preempt_enable();
-}
-
-static inline void __write_unlock_bh(rwlock_t *lock)
-{
-        rwlock_release(&lock->dep_map, 1, _RET_IP_);
-        _raw_write_unlock(lock);
-        preempt_enable_no_resched();
-        local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
-static inline int __spin_trylock_bh(spinlock_t *lock)
+static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock)
 {
         local_bh_disable();
         preempt_disable();
-        if (_raw_spin_trylock(lock)) {
+        if (do_raw_spin_trylock(lock)) {
                 spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
                 return 1;
         }
@@ -454,4 +191,6 @@ static inline int __spin_trylock_bh(spinlock_t *lock)
         return 0;
 }
 
+#include <linux/rwlock_api_smp.h>
+
 #endif /* __LINUX_SPINLOCK_API_SMP_H */