1 files changed, 23 insertions, 16 deletions

diff --git a/include/linux/marker.h b/include/linux/marker.h
index 57a307018ceb..34c14bc957f5 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -55,6 +55,22 @@ struct marker {
 
 #ifdef CONFIG_MARKERS
 
+#define _DEFINE_MARKER(name, tp_name_str, tp_cb, format)                \
+                static const char __mstrtab_##name[]                    \
+                __attribute__((section("__markers_strings")))           \
+                = #name "\0" format;                                    \
+                static struct marker __mark_##name                      \
+                __attribute__((section("__markers"), aligned(8))) =     \
+                { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)],   \
+                  0, 0, marker_probe_cb, { __mark_empty_function, NULL},\
+                  NULL, tp_name_str, tp_cb }
+
+#define DEFINE_MARKER(name, format)                                     \
+                _DEFINE_MARKER(name, NULL, NULL, format)
+
+#define DEFINE_MARKER_TP(name, tp_name, tp_cb, format)                  \
+                _DEFINE_MARKER(name, #tp_name, tp_cb, format)
+
 /*
  * Note : the empty asm volatile with read constraint is used here instead of a
  * "used" attribute to fix a gcc 4.1.x bug.
@@ -68,14 +84,7 @@ struct marker {
  */
 #define __trace_mark(generic, name, call_private, format, args...)      \
         do {                                                            \
-                static const char __mstrtab_##name[]                    \
-                __attribute__((section("__markers_strings")))           \
-                = #name "\0" format;                                    \
-                static struct marker __mark_##name                      \
-                __attribute__((section("__markers"), aligned(8))) =     \
-                { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)],   \
-                0, 0, marker_probe_cb,                                  \
-                { __mark_empty_function, NULL}, NULL, NULL, NULL };     \
+                DEFINE_MARKER(name, format);                            \
                 __mark_check_format(format, ## args);                   \
                 if (unlikely(__mark_##name.state)) {                    \
                         (*__mark_##name.call)                           \
@@ -89,14 +98,7 @@ struct marker {
                 {                                                       \
                         register_trace_##tp_name(tp_cb);                \
                 }                                                       \
-                static const char __mstrtab_##name[]                    \
-                __attribute__((section("__markers_strings")))           \
-                = #name "\0" format;                                    \
-                static struct marker __mark_##name                      \
-                __attribute__((section("__markers"), aligned(8))) =     \
-                { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)],   \
-                0, 0, marker_probe_cb,                                  \
-                { __mark_empty_function, NULL}, NULL, #tp_name, tp_cb };\
+                DEFINE_MARKER_TP(name, tp_name, tp_cb, format);         \
                 __mark_check_format(format, ## args);                   \
                 (*__mark_##name.call)(&__mark_##name, call_private,     \
                                         ## args);                       \
@@ -104,7 +106,11 @@ struct marker {
 
 extern void marker_update_probe_range(struct marker *begin,
         struct marker *end);
+
+#define GET_MARKER(name)        (__mark_##name)
+
 #else /* !CONFIG_MARKERS */
+#define DEFINE_MARKER(name, tp_name, tp_cb, format)
 #define __trace_mark(generic, name, call_private, format, args...) \
                 __mark_check_format(format, ## args)
 #define __trace_mark_tp(name, call_private, tp_name, tp_cb, format, args...) \
@@ -118,6 +124,7 @@ extern void marker_update_probe_range(struct marker *begin,
 static inline void marker_update_probe_range(struct marker *begin,
         struct marker *end)
 { }
+#define GET_MARKER(name)
 #endif /* CONFIG_MARKERS */
 
 /**