[Dle-develop] [PATCH -tip v14 07/12] tracing: Introduce TRACE_FIELD_ZERO() macro

[Masami H. <mhi...@re...>]

Use TRACE_FIELD_ZERO(type, item) instead of TRACE_FIELD_ZERO_CHAR(item).
This also includes a fix of TRACE_ZERO_CHAR() macro.

Signed-off-by: Masami Hiramatsu <mhi...@re...>
Cc: Ananth N Mavinakayanahalli <an...@in...>
Cc: Avi Kivity <av...@re...>
Cc: Andi Kleen <ak...@li...>
Cc: Christoph Hellwig <hc...@in...>
Cc: Frank Ch. Eigler <fc...@re...>
Cc: Frederic Weisbecker <fwe...@gm...>
Cc: H. Peter Anvin <hp...@zy...>
Cc: Ingo Molnar <mi...@el...>
Cc: Jason Baron <jb...@re...>
Cc: Jim Keniston <jke...@us...>
Cc: K.Prasad <pr...@li...>
Cc: Lai Jiangshan <la...@cn...>
Cc: Li Zefan <li...@cn...>
Cc: Przemysław Pawełczyk <prz...@pa...>
Cc: Roland McGrath <ro...@re...>
Cc: Sam Ravnborg <sa...@ra...>
Cc: Srikar Dronamraju <sr...@li...>
Cc: Steven Rostedt <ro...@go...>
Cc: Tom Zanussi <tza...@gm...>
Cc: Vegard Nossum <veg...@gm...>
---

 kernel/trace/trace_event_types.h |    4 ++--
 kernel/trace/trace_export.c      |   16 ++++++++--------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/kernel/trace/trace_event_types.h b/kernel/trace/trace_event_types.h
index 6db005e..e74f090 100644
--- a/kernel/trace/trace_event_types.h
+++ b/kernel/trace/trace_event_types.h
@@ -109,7 +109,7 @@ TRACE_EVENT_FORMAT(bprint, TRACE_BPRINT, bprint_entry, ignore,
 	TRACE_STRUCT(
 		TRACE_FIELD(unsigned long, ip, ip)
 		TRACE_FIELD(char *, fmt, fmt)
-		TRACE_FIELD_ZERO_CHAR(buf)
+		TRACE_FIELD_ZERO(char, buf)
 	),
 	TP_RAW_FMT("%08lx (%d) fmt:%p %s")
 );
@@ -117,7 +117,7 @@ TRACE_EVENT_FORMAT(bprint, TRACE_BPRINT, bprint_entry, ignore,
 TRACE_EVENT_FORMAT(print, TRACE_PRINT, print_entry, ignore,
 	TRACE_STRUCT(
 		TRACE_FIELD(unsigned long, ip, ip)
-		TRACE_FIELD_ZERO_CHAR(buf)
+		TRACE_FIELD_ZERO(char, buf)
 	),
 	TP_RAW_FMT("%08lx (%d) fmt:%p %s")
 );
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 71c8d7f..b0ac92c 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -42,9 +42,9 @@ extern void __bad_type_size(void);
 	if (!ret)							\
 		return 0;
 
-#undef TRACE_FIELD_ZERO_CHAR
-#define TRACE_FIELD_ZERO_CHAR(item)					\
-	ret = trace_seq_printf(s, "\tfield:char " #item ";\t"		\
+#undef TRACE_FIELD_ZERO
+#define TRACE_FIELD_ZERO(type, item)					\
+	ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t"	\
 			       "offset:%u;\tsize:0;\n",			\
 			       (unsigned int)offsetof(typeof(field), item)); \
 	if (!ret)							\
@@ -92,9 +92,6 @@ ftrace_format_##call(struct ftrace_event_call *unused,			\
 
 #include "trace_event_types.h"
 
-#undef TRACE_ZERO_CHAR
-#define TRACE_ZERO_CHAR(arg)
-
 #undef TRACE_FIELD
 #define TRACE_FIELD(type, item, assign)\
 	entry->item = assign;
@@ -107,6 +104,9 @@ ftrace_format_##call(struct ftrace_event_call *unused,			\
 #define TRACE_FIELD_SIGN(type, item, assign, is_signed)	\
 	TRACE_FIELD(type, item, assign)
 
+#undef TRACE_FIELD_ZERO
+#define TRACE_FIELD_ZERO(type, item)
+
 #undef TP_CMD
 #define TP_CMD(cmd...)	cmd
 
@@ -178,8 +178,8 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	if (ret)							\
 		return ret;
 
-#undef TRACE_FIELD_ZERO_CHAR
-#define TRACE_FIELD_ZERO_CHAR(item)
+#undef TRACE_FIELD_ZERO
+#define TRACE_FIELD_ZERO(type, item)
 
 #undef TRACE_EVENT_FORMAT
 #define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt)	\


-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhi...@re...