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Diffstat (limited to 'arch/ia64/include/asm/spinlock.h')
-rw-r--r--arch/ia64/include/asm/spinlock.h21
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
index ca9e76149a4a..df2c121164b8 100644
--- a/arch/ia64/include/asm/spinlock.h
+++ b/arch/ia64/include/asm/spinlock.h
@@ -76,22 +76,6 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
ACCESS_ONCE(*p) = (tmp + 2) & ~1;
}
-static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock)
-{
- int *p = (int *)&lock->lock, ticket;
-
- ia64_invala();
-
- for (;;) {
- asm volatile ("ld4.c.nc %0=[%1]" : "=r"(ticket) : "r"(p) : "memory");
- if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
- return;
- cpu_relax();
- }
-
- smp_acquire__after_ctrl_dep();
-}
-
static inline int __ticket_spin_is_locked(arch_spinlock_t *lock)
{
long tmp = ACCESS_ONCE(lock->lock);
@@ -143,11 +127,6 @@ static __always_inline void arch_spin_lock_flags(arch_spinlock_t *lock,
arch_spin_lock(lock);
}
-static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
- __ticket_spin_unlock_wait(lock);
-}
-
#define arch_read_can_lock(rw) (*(volatile int *)(rw) >= 0)
#define arch_write_can_lock(rw) (*(volatile int *)(rw) == 0)