1 files changed, 3 insertions, 1 deletions

diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 09621f611dbc..32aa42b748be 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -43,7 +43,7 @@
 #ifdef CONFIG_SMP
 #define smp_mb()        mb()
 #define smp_rmb()       rmb()
-#define smp_wmb()       __asm__ __volatile__ ("eieio" : : : "memory")
+#define smp_wmb()       eieio()
 #define smp_read_barrier_depends()      read_barrier_depends()
 #else
 #define smp_mb()        barrier()
@@ -559,5 +559,7 @@ static inline void create_function_call(unsigned long addr, void * func)
 extern void account_system_vtime(struct task_struct *);
 #endif
 
+extern struct dentry *powerpc_debugfs_root;
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_SYSTEM_H */