Merge with mainline to remove plat-omap/Kconfig conflict

Conflicts:
	arch/arm/plat-omap/Kconfig

1 files changed, 65 insertions, 190 deletions

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index c6fe03e902c..0804cd59480 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -65,7 +65,8 @@
 	};
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)	\
-	static struct ftrace_event_call event_##name
+	static struct ftrace_event_call			\
+	__attribute__((__aligned__(4))) event_##name
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
@@ -131,130 +132,6 @@
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
 /*
- * Setup the showing format of trace point.
- *
- * int
- * ftrace_format_##call(struct trace_seq *s)
- * {
- *	struct ftrace_raw_##call field;
- *	int ret;
- *
- *	ret = trace_seq_printf(s, #type " " #item ";"
- *			       " offset:%u; size:%u;\n",
- *			       offsetof(struct ftrace_raw_##call, item),
- *			       sizeof(field.type));
- *
- * }
- */
-
-#undef TP_STRUCT__entry
-#define TP_STRUCT__entry(args...) args
-
-#undef __field
-#define __field(type, item)					\
-	ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t"	\
-			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	\
-			       (unsigned int)offsetof(typeof(field), item), \
-			       (unsigned int)sizeof(field.item),	\
-			       (unsigned int)is_signed_type(type));	\
-	if (!ret)							\
-		return 0;
-
-#undef __field_ext
-#define __field_ext(type, item, filter_type)	__field(type, item)
-
-#undef __array
-#define __array(type, item, len)						\
-	ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t"	\
-			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	\
-			       (unsigned int)offsetof(typeof(field), item), \
-			       (unsigned int)sizeof(field.item),	\
-			       (unsigned int)is_signed_type(type));	\
-	if (!ret)							\
-		return 0;
-
-#undef __dynamic_array
-#define __dynamic_array(type, item, len)				       \
-	ret = trace_seq_printf(s, "\tfield:__data_loc " #type "[] " #item ";\t"\
-			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	       \
-			       (unsigned int)offsetof(typeof(field),	       \
-					__data_loc_##item),		       \
-			       (unsigned int)sizeof(field.__data_loc_##item), \
-			       (unsigned int)is_signed_type(type));	\
-	if (!ret)							       \
-		return 0;
-
-#undef __string
-#define __string(item, src) __dynamic_array(char, item, -1)
-
-#undef __entry
-#define __entry REC
-
-#undef __print_symbolic
-#undef __get_dynamic_array
-#undef __get_str
-
-#undef TP_printk
-#define TP_printk(fmt, args...) "\"%s\", %s\n", fmt, __stringify(args)
-
-#undef TP_fast_assign
-#define TP_fast_assign(args...) args
-
-#undef TP_perf_assign
-#define TP_perf_assign(args...)
-
-#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print)	\
-static int								\
-ftrace_format_setup_##call(struct ftrace_event_call *unused,		\
-			   struct trace_seq *s)				\
-{									\
-	struct ftrace_raw_##call field __attribute__((unused));		\
-	int ret = 0;							\
-									\
-	tstruct;							\
-									\
-	return ret;							\
-}									\
-									\
-static int								\
-ftrace_format_##call(struct ftrace_event_call *unused,			\
-		     struct trace_seq *s)				\
-{									\
-	int ret = 0;							\
-									\
-	ret = ftrace_format_setup_##call(unused, s);			\
-	if (!ret)							\
-		return ret;						\
-									\
-	ret = trace_seq_printf(s, "\nprint fmt: " print);		\
-									\
-	return ret;							\
-}
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)
-
-#undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)		\
-static int								\
-ftrace_format_##name(struct ftrace_event_call *unused,			\
-		      struct trace_seq *s)				\
-{									\
-	int ret = 0;							\
-									\
-	ret = ftrace_format_setup_##template(unused, s);		\
-	if (!ret)							\
-		return ret;						\
-									\
-	trace_seq_printf(s, "\nprint fmt: " print);			\
-									\
-	return ret;							\
-}
-
-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-
-/*
  * Stage 3 of the trace events.
  *
  * Override the macros in <trace/trace_events.h> to include the following:
@@ -323,7 +200,7 @@ ftrace_format_##name(struct ftrace_event_call *unused,			\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
-static enum print_line_t						\
+static notrace enum print_line_t					\
 ftrace_raw_output_id_##call(int event_id, const char *name,		\
 			    struct trace_iterator *iter, int flags)	\
 {									\
@@ -356,7 +233,7 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)			\
-static enum print_line_t						\
+static notrace enum print_line_t					\
 ftrace_raw_output_##name(struct trace_iterator *iter, int flags)	\
 {									\
 	return ftrace_raw_output_id_##template(event_##name.id,		\
@@ -365,7 +242,7 @@ ftrace_raw_output_##name(struct trace_iterator *iter, int flags)	\
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
-static enum print_line_t						\
+static notrace enum print_line_t					\
 ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 {									\
 	struct trace_seq *s = &iter->seq;				\
@@ -431,7 +308,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print)	\
-static int								\
+static int notrace							\
 ftrace_define_fields_##call(struct ftrace_event_call *event_call)	\
 {									\
 	struct ftrace_raw_##call field;					\
@@ -479,7 +356,7 @@ ftrace_define_fields_##call(struct ftrace_event_call *event_call)	\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
-static inline int ftrace_get_offsets_##call(				\
+static inline notrace int ftrace_get_offsets_##call(			\
 	struct ftrace_data_offsets_##call *__data_offsets, proto)       \
 {									\
 	int __data_size = 0;						\
@@ -499,7 +376,7 @@ static inline int ftrace_get_offsets_##call(				\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
 
 /*
  * Generate the functions needed for tracepoint perf_event support.
@@ -526,12 +403,14 @@ static inline int ftrace_get_offsets_##call(				\
 									\
 static void ftrace_profile_##name(proto);				\
 									\
-static int ftrace_profile_enable_##name(struct ftrace_event_call *unused)\
+static notrace int							\
+ftrace_profile_enable_##name(struct ftrace_event_call *unused)		\
 {									\
 	return register_trace_##name(ftrace_profile_##name);		\
 }									\
 									\
-static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
+static notrace void							\
+ftrace_profile_disable_##name(struct ftrace_event_call *unused)		\
 {									\
 	unregister_trace_##name(ftrace_profile_##name);			\
 }
@@ -542,7 +421,7 @@ static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#endif
+#endif /* CONFIG_PERF_EVENTS */
 
 /*
  * Stage 4 of the trace events.
@@ -622,12 +501,11 @@ static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
  *	.raw_init		= trace_event_raw_init,
  *	.regfunc		= ftrace_reg_event_<call>,
  *	.unregfunc		= ftrace_unreg_event_<call>,
- *	.show_format		= ftrace_format_<call>,
  * }
  *
  */
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
 
 #define _TRACE_PROFILE_INIT(call)					\
 	.profile_enable = ftrace_profile_enable_##call,			\
@@ -635,7 +513,7 @@ static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
 
 #else
 #define _TRACE_PROFILE_INIT(call)
-#endif
+#endif /* CONFIG_PERF_EVENTS */
 
 #undef __entry
 #define __entry entry
@@ -657,10 +535,17 @@ static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
 #define __assign_str(dst, src)						\
 	strcpy(__get_str(dst), src);
 
+#undef TP_fast_assign
+#define TP_fast_assign(args...) args
+
+#undef TP_perf_assign
+#define TP_perf_assign(args...)
+
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 									\
-static void ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \
+static notrace void							\
+ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
 				       proto)				\
 {									\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
@@ -697,17 +582,19 @@ static void ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
 									\
-static void ftrace_raw_event_##call(proto)				\
+static notrace void ftrace_raw_event_##call(proto)			\
 {									\
 	ftrace_raw_event_id_##template(&event_##call, args);		\
 }									\
 									\
-static int ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)\
+static notrace int							\
+ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)		\
 {									\
 	return register_trace_##call(ftrace_raw_event_##call);		\
 }									\
 									\
-static void ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)\
+static notrace void							\
+ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)		\
 {									\
 	unregister_trace_##call(ftrace_raw_event_##call);		\
 }									\
@@ -722,8 +609,20 @@ static struct trace_event ftrace_event_type_##call = {			\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
+#undef __entry
+#define __entry REC
+
+#undef __print_flags
+#undef __print_symbolic
+#undef __get_dynamic_array
+#undef __get_str
+
+#undef TP_printk
+#define TP_printk(fmt, args...) "\"" fmt "\", "  __stringify(args)
+
 #undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
+static const char print_fmt_##call[] = print;
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
@@ -737,7 +636,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
-	.show_format		= ftrace_format_##template,		\
+	.print_fmt		= print_fmt_##template,			\
 	.define_fields		= ftrace_define_fields_##template,	\
 	_TRACE_PROFILE_INIT(call)					\
 }
@@ -745,6 +644,8 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
 									\
+static const char print_fmt_##call[] = print;				\
+									\
 static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
@@ -754,7 +655,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
-	.show_format		= ftrace_format_##call,			\
+	.print_fmt		= print_fmt_##call,			\
 	.define_fields		= ftrace_define_fields_##template,	\
 	_TRACE_PROFILE_INIT(call)					\
 }
@@ -835,7 +736,17 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
  * }
  */
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
+
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field)	\
+		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_str
+#define __get_str(field) (char *)__get_dynamic_array(field)
 
 #undef __perf_addr
 #define __perf_addr(a) __addr = (a)
@@ -845,27 +756,17 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
-static void								\
+static notrace void							\
 ftrace_profile_templ_##call(struct ftrace_event_call *event_call,	\
 			    proto)					\
 {									\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
-	extern int perf_swevent_get_recursion_context(void);		\
-	extern void perf_swevent_put_recursion_context(int rctx);	\
-	extern void perf_tp_event(int, u64, u64, void *, int);		\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
 	unsigned long irq_flags;					\
-	struct trace_entry *ent;					\
 	int __entry_size;						\
 	int __data_size;						\
-	char *trace_buf;						\
-	char *raw_data;							\
-	int __cpu;							\
 	int rctx;							\
-	int pc;								\
-									\
-	pc = preempt_count();						\
 									\
 	__data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
 	__entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
@@ -875,47 +776,21 @@ ftrace_profile_templ_##call(struct ftrace_event_call *event_call,	\
 	if (WARN_ONCE(__entry_size > FTRACE_MAX_PROFILE_SIZE,		\
 		      "profile buffer not large enough"))		\
 		return;							\
-									\
-	local_irq_save(irq_flags);					\
-									\
-	rctx = perf_swevent_get_recursion_context();			\
-	if (rctx < 0)							\
-		goto end_recursion;					\
-									\
-	__cpu = smp_processor_id();					\
-									\
-	if (in_nmi())							\
-		trace_buf = rcu_dereference(perf_trace_buf_nmi);	\
-	else								\
-		trace_buf = rcu_dereference(perf_trace_buf);		\
-									\
-	if (!trace_buf)							\
-		goto end;						\
-									\
-	raw_data = per_cpu_ptr(trace_buf, __cpu);			\
-									\
-	*(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;		\
-	entry = (struct ftrace_raw_##call *)raw_data;			\
-	ent = &entry->ent;						\
-	tracing_generic_entry_update(ent, irq_flags, pc);		\
-	ent->type = event_call->id;					\
-									\
+	entry = (struct ftrace_raw_##call *)ftrace_perf_buf_prepare(	\
+		__entry_size, event_call->id, &rctx, &irq_flags);	\
+	if (!entry)							\
+		return;							\
 	tstruct								\
 									\
 	{ assign; }							\
 									\
-	perf_tp_event(event_call->id, __addr, __count, entry,		\
-			     __entry_size);				\
-									\
-end:									\
-	perf_swevent_put_recursion_context(rctx);			\
-end_recursion:								\
-	local_irq_restore(irq_flags);					\
+	ftrace_perf_buf_submit(entry, __entry_size, rctx, __addr,	\
+			       __count, irq_flags);			\
 }
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)		\
-static void ftrace_profile_##call(proto)			\
+static notrace void ftrace_profile_##call(proto)		\
 {								\
 	struct ftrace_event_call *event_call = &event_##call;	\
 								\
@@ -927,7 +802,7 @@ static void ftrace_profile_##call(proto)			\
 	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#endif /* CONFIG_EVENT_PROFILE */
+#endif /* CONFIG_PERF_EVENTS */
 
 #undef _TRACE_PROFILE_INIT