2 files changed, 0 insertions, 28 deletions

diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 9d369f68032..20102808b19 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -274,10 +274,6 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
                 return 0;
 }
 
-/* Get Nth argument at function call */
-extern unsigned long regs_get_argument_nth(struct pt_regs *regs,
-                                           unsigned int n);
-
 /*
  * These are defined as per linux/ptrace.h, which see.
  */
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 017d937639f..73554a3aae8 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -140,30 +140,6 @@ static const int arg_offs_table[] = {
 #endif
 };
 
-/**
- * regs_get_argument_nth() - get Nth argument at function call
- * @regs:       pt_regs which contains registers at function entry.
- * @n:          argument number.
- *
- * regs_get_argument_nth() returns @n th argument of a function call.
- * Since usually the kernel stack will be changed right after function entry,
- * you must use this at function entry. If the @n th entry is NOT in the
- * kernel stack or pt_regs, this returns 0.
- */
-unsigned long regs_get_argument_nth(struct pt_regs *regs, unsigned int n)
-{
-        if (n < ARRAY_SIZE(arg_offs_table))
-                return *(unsigned long *)((char *)regs + arg_offs_table[n]);
-        else {
-                /*
-                 * The typical case: arg n is on the stack.
-                 * (Note: stack[0] = return address, so skip it)
-                 */
-                n -= ARRAY_SIZE(arg_offs_table);
-                return regs_get_kernel_stack_nth(regs, 1 + n);
-        }
-}
-
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.