mn10300: switch to generic kernel_execve()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h
index 247928c..0b844a2 100644
--- a/arch/mn10300/include/asm/processor.h
+++ b/arch/mn10300/include/asm/processor.h
@@ -119,20 +119,13 @@
 
 /*
  * do necessary setup to start up a newly executed thread
- * - need to discard the frame stacked by the kernel thread invoking the execve
- *   syscall (see RESTORE_ALL macro)
  */
 static inline void start_thread(struct pt_regs *regs,
 				unsigned long new_pc, unsigned long new_sp)
 {
-	struct thread_info *ti = current_thread_info();
-	struct pt_regs *frame0;
-
-	frame0 = thread_info_to_uregs(ti);
-	frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
-	frame0->pc = new_pc;
-	frame0->sp = new_sp;
-	ti->frame = frame0;
+	regs->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
+	regs->pc = new_pc;
+	regs->sp = new_sp;
 }