tracing: remove dead code

Removes unreachable code.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4AA8579B.4020706@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index fa1dccb..536ae1d 100644 (file)
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -120,14 +120,6 @@ struct print_entry {
        char                    buf[];
 };
 
-#define TRACE_OLD_SIZE         88
-
-struct trace_field_cont {
-       unsigned char           type;
-       /* Temporary till we get rid of this completely */
-       char                    buf[TRACE_OLD_SIZE - 1];
-};
-
 struct trace_mmiotrace_rw {
        struct trace_entry      ent;
        struct mmiotrace_rw     rw;
@@ -509,20 +501,6 @@ static inline void __trace_stack(struct trace_array *tr, unsigned long flags,
 
 extern cycle_t ftrace_now(int cpu);
 
-#ifdef CONFIG_CONTEXT_SWITCH_TRACER
-typedef void
-(*tracer_switch_func_t)(void *private,
-                       void *__rq,
-                       struct task_struct *prev,
-                       struct task_struct *next);
-
-struct tracer_switch_ops {
-       tracer_switch_func_t            func;
-       void                            *private;
-       struct tracer_switch_ops        *next;
-};
-#endif /* CONFIG_CONTEXT_SWITCH_TRACER */
-
 extern void trace_find_cmdline(int pid, char comm[]);
 
 #ifdef CONFIG_DYNAMIC_FTRACE