1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index c5eab89da51e..e1fb60729979 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -264,6 +264,9 @@ static inline void user_enable_single_step(struct task_struct *task)
 static inline void user_disable_single_step(struct task_struct *task)
 {
 }
+#else
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
 #endif  /* arch_has_single_step */
 
 #ifndef arch_has_block_step
@@ -291,6 +294,8 @@ static inline void user_enable_block_step(struct task_struct *task)
 {
         BUG();                  /* This can never be called.  */
 }
+#else
+extern void user_enable_block_step(struct task_struct *);
 #endif  /* arch_has_block_step */
 
 #ifdef ARCH_HAS_USER_SINGLE_STEP_INFO