2 files changed, 6 insertions, 14 deletions

diff --git a/include/asm-s390/spinlock.h b/include/asm-s390/spinlock.h
index 3fd43826fd0b..c1d6e7e304e2 100644
--- a/include/asm-s390/spinlock.h
+++ b/include/asm-s390/spinlock.h
@@ -58,39 +58,32 @@ _raw_compare_and_swap(volatile unsigned int *lock,
         do { while (__raw_spin_is_locked(lock)) \
                  _raw_spin_relax(lock); } while (0)
 
-extern void _raw_spin_lock_wait(raw_spinlock_t *, unsigned int pc);
-extern int _raw_spin_trylock_retry(raw_spinlock_t *, unsigned int pc);
+extern void _raw_spin_lock_wait(raw_spinlock_t *);
+extern int _raw_spin_trylock_retry(raw_spinlock_t *);
 extern void _raw_spin_relax(raw_spinlock_t *lock);
 
 static inline void __raw_spin_lock(raw_spinlock_t *lp)
 {
-        unsigned long pc = 1 | (unsigned long) __builtin_return_address(0);
         int old;
 
         old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id());
-        if (likely(old == 0)) {
-                lp->owner_pc = pc;
+        if (likely(old == 0))
                 return;
-        }
-        _raw_spin_lock_wait(lp, pc);
+        _raw_spin_lock_wait(lp);
 }
 
 static inline int __raw_spin_trylock(raw_spinlock_t *lp)
 {
-        unsigned long pc = 1 | (unsigned long) __builtin_return_address(0);
         int old;
 
         old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id());
-        if (likely(old == 0)) {
-                lp->owner_pc = pc;
+        if (likely(old == 0))
                 return 1;
-        }
-        return _raw_spin_trylock_retry(lp, pc);
+        return _raw_spin_trylock_retry(lp);
 }
 
 static inline void __raw_spin_unlock(raw_spinlock_t *lp)
 {
-        lp->owner_pc = 0;
         _raw_compare_and_swap(&lp->owner_cpu, lp->owner_cpu, 0);
 }
                 
diff --git a/include/asm-s390/spinlock_types.h b/include/asm-s390/spinlock_types.h
index b7ac13f7aa37..654abc40de04 100644
--- a/include/asm-s390/spinlock_types.h
+++ b/include/asm-s390/spinlock_types.h
@@ -7,7 +7,6 @@
 
 typedef struct {
         volatile unsigned int owner_cpu;
-        volatile unsigned int owner_pc;
 } __attribute__ ((aligned (4))) raw_spinlock_t;
 
 #define __RAW_SPIN_LOCK_UNLOCKED        { 0 }