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[lttv.git] / ltt-usertrace / ltt / atomic-ppc.h

diff --git a/ltt-usertrace/ltt/atomic-ppc.h b/ltt-usertrace/ltt/atomic-ppc.h
index eeafd505836ec339b0e28af79e8b5de4fc2313ba..d72731b9d98130406e3a4a5b6942a86522b2d1e2 100644 (file)
--- a/ltt-usertrace/ltt/atomic-ppc.h
+++ b/ltt-usertrace/ltt/atomic-ppc.h
@@ -5,9 +5,11 @@
 #ifndef _ASM_PPC_ATOMIC_H_
 #define _ASM_PPC_ATOMIC_H_
 
-typedef struct { volatile int counter; } atomic_t;
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#ifdef __KERNEL__
+typedef struct { volatile int counter; } atomic_t;
 
 #define ATOMIC_INIT(i) { (i) }
 
@@ -16,7 +18,7 @@ typedef struct { volatile int counter; } atomic_t;
 
 extern void atomic_clear_mask(unsigned long mask, unsigned long *addr);
 
-#ifdef CONFIG_SMP
+#if 0 // We only do operation on one CPU at a time (LTT)
 #define SMP_SYNC       "sync"
 #define SMP_ISYNC      "\n\tisync"
 #else
@@ -210,5 +212,8 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
 #define smp_mb__before_atomic_inc()    __MB
 #define smp_mb__after_atomic_inc()     __MB
 
-#endif /* __KERNEL__ */
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
 #endif /* _ASM_PPC_ATOMIC_H_ */