--- zzzz-none-000/linux-4.1.52/include/linux/ptrace.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/ptrace.h	2022-03-02 11:37:13.000000000 +0000
@@ -281,7 +281,7 @@
  * 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 __maybe_unused)
 {
 	BUG();			/* This can never be called.  */
 }
@@ -295,7 +295,7 @@
  * 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 __maybe_unused)
 {
 }
 #else
@@ -324,7 +324,7 @@
  * 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 __maybe_unused)
 {
 	BUG();			/* This can never be called.  */
 }
@@ -336,8 +336,8 @@
 extern void user_single_step_siginfo(struct task_struct *tsk,
 				struct pt_regs *regs, siginfo_t *info);
 #else
-static inline void user_single_step_siginfo(struct task_struct *tsk,
-				struct pt_regs *regs, siginfo_t *info)
+static inline void user_single_step_siginfo(struct task_struct *tsk __maybe_unused,
+				struct pt_regs *regs __maybe_unused, siginfo_t *info)
 {
 	memset(info, 0, sizeof(*info));
 	info->si_signo = SIGTRAP;