[PATCH 01/10] trace_kprobe: shows signs of fields in format files

[Lai Jiangshan <laijs@cn.fujitsu.com>]

format files of trace_kprobe don't shows signs, it is
different from all other format files, incorrect API to user.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
---
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index e3c80e9..3ef66d4 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1163,10 +1163,11 @@ static int __probe_event_show_format(struct trace_seq *s,
 #undef SHOW_FIELD
 #define SHOW_FIELD(type, item, name)					\
 	do {								\
-		ret = trace_seq_printf(s, "\tfield: " #type " %s;\t"	\
-				"offset:%u;\tsize:%u;\n", name,		\
+		ret = trace_seq_printf(s, "\tfield:" #type " %s;\t"	\
+				"offset:%u;\tsize:%u;\tsigned:%d;\n", name,\
 				(unsigned int)offsetof(typeof(field), item),\
-				(unsigned int)sizeof(type));		\
+				(unsigned int)sizeof(type),		\
+				is_signed_type(type));			\
 		if (!ret)						\
 			return 0;					\
 	} while (0)