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: David Howells <dhowells@xxxxxxxxxx>
Cc: <linux-am33-list@xxxxxxxxxx>
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/mn10300/include/asm/spinlock.h | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/mn10300/include/asm/spinlock.h b/arch/mn10300/include/asm/spinlock.h
index 9c7b8f7942d8..fe413b41df6c 100644
--- a/arch/mn10300/include/asm/spinlock.h
+++ b/arch/mn10300/include/asm/spinlock.h
@@ -26,11 +26,6 @@
#define arch_spin_is_locked(x) (*(volatile signed char *)(&(x)->slock) != 0)
-static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
- smp_cond_load_acquire(&lock->slock, !VAL);
-}
-
static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
asm volatile(
--
2.5.2
--
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