--- zzzz-none-000/linux-2.6.39.4/include/linux/ptrace.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/include/linux/ptrace.h	2021-11-10 13:23:10.000000000 +0000
@@ -252,7 +252,7 @@
  * next single instruction executes.  If arch_has_block_step() is defined,
  * this must clear the effects of user_enable_block_step() too.
  */
-static inline void user_enable_single_step(struct task_struct *task)
+static inline void user_enable_single_step(struct task_struct *task __attribute__((unused)))
 {
 	BUG();			/* This can never be called.  */
 }
@@ -266,7 +266,7 @@
  * of those was ever called on @task, and even if arch_has_single_step()
  * returned zero.
  */
-static inline void user_disable_single_step(struct task_struct *task)
+static inline void user_disable_single_step(struct task_struct *task __attribute__((unused)))
 {
 }
 #else
@@ -295,7 +295,7 @@
  * Set @task so that when it returns to user mode, it will trap after the
  * next branch or trap taken.
  */
-static inline void user_enable_block_step(struct task_struct *task)
+static inline void user_enable_block_step(struct task_struct *task __attribute__((unused)))
 {
 	BUG();			/* This can never be called.  */
 }
@@ -304,10 +304,10 @@
 #endif	/* arch_has_block_step */
 
 #ifdef ARCH_HAS_USER_SINGLE_STEP_INFO
-extern void user_single_step_siginfo(struct task_struct *tsk,
+extern void user_single_step_siginfo(struct task_struct *tsk __attribute__((unused)),
 				struct pt_regs *regs, siginfo_t *info);
 #else
-static inline void user_single_step_siginfo(struct task_struct *tsk,
+static inline void user_single_step_siginfo(struct task_struct *tsk __attribute__((unused)),
 				struct pt_regs *regs, siginfo_t *info)
 {
 	memset(info, 0, sizeof(*info));