There is no agreed-upon definition of spin_unlock_wait()'s semantics,
and it appears that all callers could do just as well with a lock/unlock
pair. This commit therefore removes the underlying arch-specific
arch_spin_unlock_wait().
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: <linux-parisc@xxxxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Andrea Parri <parri.andrea@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
---
arch/parisc/include/asm/spinlock.h | 7 -------
1 file changed, 7 deletions(-)
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index e32936cd7f10..55bfe4affca3 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -14,13 +14,6 @@ static inline int arch_spin_is_locked(arch_spinlock_t *x)
#define arch_spin_lock(lock) arch_spin_lock_flags(lock, 0)
-static inline void arch_spin_unlock_wait(arch_spinlock_t *x)
-{
- volatile unsigned int *a = __ldcw_align(x);
-
- smp_cond_load_acquire(a, VAL);
-}
-
static inline void arch_spin_lock_flags(arch_spinlock_t *x,
unsigned long flags)
{
--
2.5.2
--
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