int in_lock_functions(unsigned long addr);
-#define assert_spin_locked(x) BUG_ON(!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);
+#define assert_raw_spin_locked(x) BUG_ON(!raw_spin_is_locked(x))
+
+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);
+
+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 CONFIG_INLINE_SPIN_LOCK
+#define _raw_spin_lock(lock) __raw_spin_lock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_LOCK_BH
+#define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQ
+#define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
+#define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK
+#define _raw_spin_trylock(lock) __raw_spin_trylock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH
+#define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK
+#define _raw_spin_unlock(lock) __raw_spin_unlock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_BH
+#define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ
+#define _raw_spin_unlock_irq(lock) __raw_spin_unlock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
+#define _raw_spin_unlock_irqrestore(lock, flags) __raw_spin_unlock_irqrestore(lock, flags)
+#endif
+
+static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+{
+ preempt_disable();
+ if (do_raw_spin_trylock(lock)) {
+ spin_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
+ * not re-enabled during lock-acquire (which the preempt-spin-ops do):
+ */
+#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
+
+static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ preempt_disable();
+ spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+ /*
+ * On lockdep we dont want the hand-coded irq-enable of
+ * do_raw_spin_lock_flags() code, because lockdep assumes
+ * that interrupts are not re-enabled during lock-acquire:
+ */
+#ifdef CONFIG_LOCKDEP
+ LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
+#else
+ do_raw_spin_lock_flags(lock, &flags);
+#endif
+ return flags;
+}
+
+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, do_raw_spin_trylock, do_raw_spin_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, do_raw_spin_trylock, do_raw_spin_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, do_raw_spin_trylock, do_raw_spin_lock);
+}
+
+#endif /* CONFIG_PREEMPT */
+
+static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+{
+ spin_release(&lock->dep_map, 1, _RET_IP_);
+ do_raw_spin_unlock(lock);
+ preempt_enable();
+}
+
+static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
+ unsigned long flags)
+{
+ spin_release(&lock->dep_map, 1, _RET_IP_);
+ do_raw_spin_unlock(lock);
+ local_irq_restore(flags);
+ preempt_enable();
+}
+
+static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)
+{
+ spin_release(&lock->dep_map, 1, _RET_IP_);
+ do_raw_spin_unlock(lock);
+ local_irq_enable();
+ preempt_enable();
+}
+
+static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock)
+{
+ spin_release(&lock->dep_map, 1, _RET_IP_);
+ do_raw_spin_unlock(lock);
+ preempt_enable_no_resched();
+ local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock)
+{
+ local_bh_disable();
+ preempt_disable();
+ if (do_raw_spin_trylock(lock)) {
+ spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+ return 1;
+ }
+ preempt_enable_no_resched();
+ local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+ return 0;
+}
+
+#include <linux/rwlock_api_smp.h>
#endif /* __LINUX_SPINLOCK_API_SMP_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff