3 files changed, 13 insertions, 10 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index a81170de7f6b..ac8c6f8cf242 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -103,6 +103,8 @@ void trace_current_buffer_discard_commit(struct ring_buffer_event *event);
 
 void tracing_record_cmdline(struct task_struct *tsk);
 
+struct event_filter;
+
 struct ftrace_event_call {
         struct list_head        list;
         char                    *name;
@@ -118,7 +120,7 @@ struct ftrace_event_call {
         int                     (*define_fields)(void);
         struct list_head        fields;
         int                     filter_active;
-        void                    *filter;
+        struct event_filter     *filter;
         void                    *mod;
 
         atomic_t                profile_count;
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 29f8599e6bea..7fca71693ae7 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -170,7 +170,6 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer);
 unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu);
 unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu);
 unsigned long ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu);
-unsigned long ring_buffer_nmi_dropped_cpu(struct ring_buffer *buffer, int cpu);
 
 u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu);
 void ring_buffer_normalize_time_stamp(struct ring_buffer *buffer,
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index f64fbaae781a..25d3b02a06f8 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -25,7 +25,7 @@
 #define __array(type, item, len)        type    item[len];
 
 #undef __dynamic_array
-#define __dynamic_array(type, item, len) unsigned short __data_loc_##item;
+#define __dynamic_array(type, item, len) u32 __data_loc_##item;
 
 #undef __string
 #define __string(item, src) __dynamic_array(char, item, -1)
@@ -51,13 +51,14 @@
  * Include the following:
  *
  * struct ftrace_data_offsets_<call> {
- *      int                             <item1>;
- *      int                             <item2>;
+ *      u32                             <item1>;
+ *      u32                             <item2>;
  *      [...]
  * };
  *
- * The __dynamic_array() macro will create each int <item>, this is
+ * The __dynamic_array() macro will create each u32 <item>, this is
  * to keep the offset of each array from the beginning of the event.
+ * The size of an array is also encoded, in the higher 16 bits of <item>.
  */
 
 #undef __field
@@ -67,7 +68,7 @@
 #define __array(type, item, len)
 
 #undef __dynamic_array
-#define __dynamic_array(type, item, len)        int item;
+#define __dynamic_array(type, item, len)        u32 item;
 
 #undef __string
 #define __string(item, src) __dynamic_array(char, item, -1)
@@ -120,7 +121,7 @@
 
 #undef __dynamic_array
 #define __dynamic_array(type, item, len)                                       \
-        ret = trace_seq_printf(s, "\tfield:__data_loc " #item ";\t"            \
+        ret = trace_seq_printf(s, "\tfield:__data_loc " #type "[] " #item ";\t"\
                                "offset:%u;\tsize:%u;\n",                       \
                                (unsigned int)offsetof(typeof(field),           \
                                         __data_loc_##item),                    \
@@ -210,7 +211,7 @@ ftrace_format_##call(struct trace_seq *s)				\
 
 #undef __get_dynamic_array
 #define __get_dynamic_array(field)      \
-                ((void *)__entry + __entry->__data_loc_##field)
+                ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
 
 #undef __get_str
 #define __get_str(field) (char *)__get_dynamic_array(field)
@@ -282,7 +283,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 
 #undef __dynamic_array
 #define __dynamic_array(type, item, len)                                       \
-        ret = trace_define_field(event_call, "__data_loc" "[" #type "]", #item,\
+        ret = trace_define_field(event_call, "__data_loc " #type "[]", #item,  \
                                 offsetof(typeof(field), __data_loc_##item),    \
                                  sizeof(field.__data_loc_##item), 0);
 
@@ -328,6 +329,7 @@ ftrace_define_fields_##call(void)					\
 #define __dynamic_array(type, item, len)                                \
         __data_offsets->item = __data_size +                            \
                                offsetof(typeof(*entry), __data);        \
+        __data_offsets->item |= (len * sizeof(type)) << 16;             \
         __data_size += (len) * sizeof(type);
 
 #undef __string