1 files changed, 18 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index fa1dccb579d5..ea7e0bcbd539 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -15,6 +15,10 @@
 #include <linux/trace_seq.h>
 #include <linux/ftrace_event.h>
 
+#ifdef CONFIG_KSYM_TRACER
+#include <asm/hw_breakpoint.h>
+#endif
+
 enum trace_type {
         __TRACE_FIRST_TYPE = 0,
 
@@ -38,6 +42,7 @@ enum trace_type {
         TRACE_KMEM_FREE,
         TRACE_POWER,
         TRACE_BLK,
+        TRACE_KSYM,
 
         __TRACE_LAST_TYPE,
 };
@@ -205,6 +210,16 @@ struct syscall_trace_exit {
         unsigned long           ret;
 };
 
+#define KSYM_SELFTEST_ENTRY "ksym_selftest_dummy"
+extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr);
+
+struct ksym_trace_entry {
+        struct trace_entry      ent;
+        unsigned long           ip;
+        unsigned char           type;
+        char                    ksym_name[KSYM_NAME_LEN];
+        char                    cmd[TASK_COMM_LEN];
+};
 
 /*
  * trace_flag_type is an enumeration that holds different
@@ -315,6 +330,7 @@ extern void __ftrace_bad_type(void);
                           TRACE_KMEM_ALLOC);    \
                 IF_ASSIGN(var, ent, struct kmemtrace_free_entry,        \
                           TRACE_KMEM_FREE);     \
+                IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\
                 __ftrace_bad_type();                                    \
         } while (0)
 
@@ -558,6 +574,8 @@ extern int trace_selftest_startup_branch(struct tracer *trace,
                                          struct trace_array *tr);
 extern int trace_selftest_startup_hw_branches(struct tracer *trace,
                                               struct trace_array *tr);
+extern int trace_selftest_startup_ksym(struct tracer *trace,
+                                         struct trace_array *tr);
 #endif /* CONFIG_FTRACE_STARTUP_TEST */
 
 extern void *head_page(struct trace_array_cpu *data);