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Diffstat (limited to 'include/asm-generic/qspinlock.h')
-rw-r--r--include/asm-generic/qspinlock.h14
1 files changed, 0 insertions, 14 deletions
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index 9f0681bf1e87..66260777d644 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -22,17 +22,6 @@
#include <asm-generic/qspinlock_types.h>
/**
- * queued_spin_unlock_wait - wait until the _current_ lock holder releases the lock
- * @lock : Pointer to queued spinlock structure
- *
- * There is a very slight possibility of live-lock if the lockers keep coming
- * and the waiter is just unfortunate enough to not see any unlock state.
- */
-#ifndef queued_spin_unlock_wait
-extern void queued_spin_unlock_wait(struct qspinlock *lock);
-#endif
-
-/**
* queued_spin_is_locked - is the spinlock locked?
* @lock: Pointer to queued spinlock structure
* Return: 1 if it is locked, 0 otherwise
@@ -41,8 +30,6 @@ extern void queued_spin_unlock_wait(struct qspinlock *lock);
static __always_inline int queued_spin_is_locked(struct qspinlock *lock)
{
/*
- * See queued_spin_unlock_wait().
- *
* Any !0 state indicates it is locked, even if _Q_LOCKED_VAL
* isn't immediately observable.
*/
@@ -135,6 +122,5 @@ static __always_inline bool virt_spin_lock(struct qspinlock *lock)
#define arch_spin_trylock(l) queued_spin_trylock(l)
#define arch_spin_unlock(l) queued_spin_unlock(l)
#define arch_spin_lock_flags(l, f) queued_spin_lock(l)
-#define arch_spin_unlock_wait(l) queued_spin_unlock_wait(l)
#endif /* __ASM_GENERIC_QSPINLOCK_H */