From 83b27a1721b097aa744fd969910fa2539008d2ae Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 11 Sep 2009 11:36:23 -0400
Subject: [PATCH] --- yaml --- r: 162947 b: refs/heads/master c:
 48659d31195bb76d688e99dabd816c5472fb1656 h: refs/heads/master i:   162945:
 d3c70d7ff6e3d4238ee78e45583908ccaa3ee42b   162943:
 60cebe31ca483d908af12d45ec221da96ab9a2cd v: v3

---
 [refs]                             | 2 +-
 trunk/include/linux/ftrace_event.h | 1 -
 trunk/kernel/trace/trace.c         | 2 +-
 trunk/kernel/trace/trace.h         | 1 +
 trunk/kernel/trace/trace_events.c  | 5 +----
 trunk/kernel/trace/trace_output.c  | 2 +-
 6 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/[refs] b/[refs]
index 3eedc9765724..bd93cfd26f6e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49ff590390a22c49e9063dcdec4cd5903127526b
+refs/heads/master: 48659d31195bb76d688e99dabd816c5472fb1656
diff --git a/trunk/include/linux/ftrace_event.h b/trunk/include/linux/ftrace_event.h
index 23f7179bf74e..06c795b536c2 100644
--- a/trunk/include/linux/ftrace_event.h
+++ b/trunk/include/linux/ftrace_event.h
@@ -34,7 +34,6 @@ struct trace_entry {
 	unsigned char		flags;
 	unsigned char		preempt_count;
 	int			pid;
-	int			tgid;
 };
 
 #define FTRACE_MAX_EVENT						\
diff --git a/trunk/kernel/trace/trace.c b/trunk/kernel/trace/trace.c
index 5c75deeefe30..1a37da2e8534 100644
--- a/trunk/kernel/trace/trace.c
+++ b/trunk/kernel/trace/trace.c
@@ -886,7 +886,6 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 
 	entry->preempt_count		= pc & 0xff;
 	entry->pid			= (tsk) ? tsk->pid : 0;
-	entry->tgid			= (tsk) ? tsk->tgid : 0;
 	entry->flags =
 #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
 		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
@@ -1068,6 +1067,7 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
 		return;
 	entry	= ring_buffer_event_data(event);
 
+	entry->tgid		= current->tgid;
 	memset(&entry->caller, 0, sizeof(entry->caller));
 
 	trace.nr_entries	= 0;
diff --git a/trunk/kernel/trace/trace.h b/trunk/kernel/trace/trace.h
index acaa68060ebc..b69697b4b846 100644
--- a/trunk/kernel/trace/trace.h
+++ b/trunk/kernel/trace/trace.h
@@ -101,6 +101,7 @@ struct stack_entry {
 
 struct userstack_entry {
 	struct trace_entry	ent;
+	unsigned int		tgid;
 	unsigned long		caller[FTRACE_STACK_ENTRIES];
 };
 
diff --git a/trunk/kernel/trace/trace_events.c b/trunk/kernel/trace/trace_events.c
index 78b1ed230177..28d92027a93c 100644
--- a/trunk/kernel/trace/trace_events.c
+++ b/trunk/kernel/trace/trace_events.c
@@ -86,7 +86,6 @@ int trace_define_common_fields(struct ftrace_event_call *call)
 	__common_field(unsigned char, flags);
 	__common_field(unsigned char, preempt_count);
 	__common_field(int, pid);
-	__common_field(int, tgid);
 
 	return ret;
 }
@@ -572,13 +571,11 @@ static int trace_write_header(struct trace_seq *s)
 				"\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
 				"\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
 				"\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
-				"\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
 				"\n",
 				FIELD(unsigned short, type),
 				FIELD(unsigned char, flags),
 				FIELD(unsigned char, preempt_count),
-				FIELD(int, pid),
-				FIELD(int, tgid));
+				FIELD(int, pid));
 }
 
 static ssize_t
diff --git a/trunk/kernel/trace/trace_output.c b/trunk/kernel/trace/trace_output.c
index e0c2545622e8..be34a6aa7e4d 100644
--- a/trunk/kernel/trace/trace_output.c
+++ b/trunk/kernel/trace/trace_output.c
@@ -407,7 +407,7 @@ seq_print_userip_objs(const struct userstack_entry *entry, struct trace_seq *s,
 		 * since individual threads might have already quit!
 		 */
 		rcu_read_lock();
-		task = find_task_by_vpid(entry->ent.tgid);
+		task = find_task_by_vpid(entry->tgid);
 		if (task)
 			mm = get_task_mm(task);
 		rcu_read_unlock();