1 files changed, 5 insertions, 3 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index b0cc8f0136d8..3baf9b9f4c87 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -604,11 +604,13 @@ static inline void __switch_to_xtra(struct task_struct *prev_p,
                 memset(tss->io_bitmap, 0xff, prev->io_bitmap_max);
         }
 
+#ifdef X86_BTS
         if (test_tsk_thread_flag(prev_p, TIF_BTS_TRACE_TS))
                 ptrace_bts_take_timestamp(prev_p, BTS_TASK_DEPARTS);
 
         if (test_tsk_thread_flag(next_p, TIF_BTS_TRACE_TS))
                 ptrace_bts_take_timestamp(next_p, BTS_TASK_ARRIVES);
+#endif
 }
 
 /*
@@ -730,16 +732,16 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
  */
 asmlinkage
 long sys_execve(char __user *name, char __user * __user *argv,
-                char __user * __user *envp, struct pt_regs regs)
+                char __user * __user *envp, struct pt_regs *regs)
 {
         long error;
         char * filename;
 
         filename = getname(name);
         error = PTR_ERR(filename);
-        if (IS_ERR(filename)) 
+        if (IS_ERR(filename))
                 return error;
-        error = do_execve(filename, argv, envp, &regs); 
+        error = do_execve(filename, argv, envp, regs);
         putname(filename);
         return error;
 }