1 files changed, 4 insertions, 1 deletions

diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h
index 4d1d9953016a..acdae814e016 100644
--- a/arch/tile/include/asm/ptrace.h
+++ b/arch/tile/include/asm/ptrace.h
@@ -112,6 +112,9 @@ struct pt_regs {
 /* Fill in a struct pt_regs with the current kernel registers. */
 struct pt_regs *get_pt_regs(struct pt_regs *);
 
+/* Trace the current syscall. */
+extern void do_syscall_trace(void);
+
 extern void show_regs(struct pt_regs *);
 
 #define arch_has_single_step()  (1)
@@ -123,7 +126,7 @@ extern void show_regs(struct pt_regs *);
  */
 struct single_step_state {
         /* the page to which we will write hacked-up bundles */
-        void *buffer;
+        void __user *buffer;
 
         union {
                 int flags;