1 files changed, 11 insertions, 163 deletions

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 4488d90e75ef..1880a6438097 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -59,22 +59,12 @@ static void ftrace_event_enable_disable(struct ftrace_event_call *call,
 			call->enabled = 0;
 			call->unregfunc();
 		}
-		if (call->raw_enabled) {
-			call->raw_enabled = 0;
-			call->raw_unreg();
-		}
 		break;
 	case 1:
-		if (!call->enabled &&
-		    (call->type & TRACE_EVENT_TYPE_PRINTF)) {
+		if (!call->enabled) {
 			call->enabled = 1;
 			call->regfunc();
 		}
-		if (!call->raw_enabled &&
-		    (call->type & TRACE_EVENT_TYPE_RAW)) {
-			call->raw_enabled = 1;
-			call->raw_reg();
-		}
 		break;
 	}
 }
@@ -300,7 +290,7 @@ event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 	struct ftrace_event_call *call = filp->private_data;
 	char *buf;
 
-	if (call->enabled || call->raw_enabled)
+	if (call->enabled)
 		buf = "1\n";
 	else
 		buf = "0\n";
@@ -346,110 +336,10 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
 	return cnt;
 }
 
-static ssize_t
-event_type_read(struct file *filp, char __user *ubuf, size_t cnt,
-		loff_t *ppos)
-{
-	struct ftrace_event_call *call = filp->private_data;
-	char buf[16];
-	int r = 0;
-
-	if (call->type & TRACE_EVENT_TYPE_PRINTF)
-		r += sprintf(buf, "printf\n");
-
-	if (call->type & TRACE_EVENT_TYPE_RAW)
-		r += sprintf(buf+r, "raw\n");
-
-	return simple_read_from_buffer(ubuf, cnt, ppos, buf, r);
-}
-
-static ssize_t
-event_type_write(struct file *filp, const char __user *ubuf, size_t cnt,
-		 loff_t *ppos)
-{
-	struct ftrace_event_call *call = filp->private_data;
-	char buf[64];
-
-	/*
-	 * If there's only one type, we can't change it.
-	 * And currently we always have printf type, and we
-	 * may or may not have raw type.
-	 *
-	 * This is a redundant check, the file should be read
-	 * only if this is the case anyway.
-	 */
-
-	if (!call->raw_init)
-		return -EPERM;
-
-	if (cnt >= sizeof(buf))
-		return -EINVAL;
-
-	if (copy_from_user(&buf, ubuf, cnt))
-		return -EFAULT;
-
-	buf[cnt] = 0;
-
-	if (!strncmp(buf, "printf", 6) &&
-	    (!buf[6] || isspace(buf[6]))) {
-
-		call->type = TRACE_EVENT_TYPE_PRINTF;
-
-		/*
-		 * If raw enabled, the disable it and enable
-		 * printf type.
-		 */
-		if (call->raw_enabled) {
-			call->raw_enabled = 0;
-			call->raw_unreg();
-
-			call->enabled = 1;
-			call->regfunc();
-		}
-
-	} else if (!strncmp(buf, "raw", 3) &&
-	    (!buf[3] || isspace(buf[3]))) {
-
-		call->type = TRACE_EVENT_TYPE_RAW;
-
-		/*
-		 * If printf enabled, the disable it and enable
-		 * raw type.
-		 */
-		if (call->enabled) {
-			call->enabled = 0;
-			call->unregfunc();
-
-			call->raw_enabled = 1;
-			call->raw_reg();
-		}
-	} else
-		return -EINVAL;
-
-	*ppos += cnt;
-
-	return cnt;
-}
-
-static ssize_t
-event_available_types_read(struct file *filp, char __user *ubuf, size_t cnt,
-			   loff_t *ppos)
-{
-	struct ftrace_event_call *call = filp->private_data;
-	char buf[16];
-	int r = 0;
-
-	r += sprintf(buf, "printf\n");
-
-	if (call->raw_init)
-		r += sprintf(buf+r, "raw\n");
-
-	return simple_read_from_buffer(ubuf, cnt, ppos, buf, r);
-}
-
 #undef FIELD
-#define FIELD(type, name) \
-	#type, #name, offsetof(typeof(field), name), sizeof(field.name)
+#define FIELD(type, name)						\
+	#type, #name, (unsigned int)offsetof(typeof(field), name),	\
+		(unsigned int)sizeof(field.name)
 
 static int trace_write_header(struct trace_seq *s)
 {
@@ -457,11 +347,11 @@ static int trace_write_header(struct trace_seq *s)
 
 	/* struct trace_entry */
 	return trace_seq_printf(s,
-				"\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
-				"\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
-				"\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
-				"\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
-				"\tfield:%s %s;\toffset:%lu;\tsize:%lu;\n"
+				"\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+				"\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+				"\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+				"\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
+				"\tfield:%s %s;\toffset:%u;\tsize:%u;\n"
 				"\n",
 				FIELD(unsigned char, type),
 				FIELD(unsigned char, flags),
@@ -469,6 +359,7 @@ static int trace_write_header(struct trace_seq *s)
 				FIELD(int, pid),
 				FIELD(int, tgid));
 }
+
 static ssize_t
 event_format_read(struct file *filp, char __user *ubuf, size_t cnt,
 		  loff_t *ppos)
@@ -526,13 +417,6 @@ static const struct seq_operations show_set_event_seq_ops = {
 	.stop = t_stop,
 };
 
-static const struct file_operations ftrace_avail_fops = {
-	.open = ftrace_event_seq_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = seq_release,
-};
-
 static const struct file_operations ftrace_set_event_fops = {
 	.open = ftrace_event_seq_open,
 	.read = seq_read,
@@ -547,17 +431,6 @@ static const struct file_operations ftrace_enable_fops = {
 	.write = event_enable_write,
 };
 
-static const struct file_operations ftrace_type_fops = {
-	.open = tracing_open_generic,
-	.read = event_type_read,
-	.write = event_type_write,
-};
-
-static const struct file_operations ftrace_available_types_fops = {
-	.open = tracing_open_generic,
-	.read = event_available_types_read,
-};
-
 static const struct file_operations ftrace_event_format_fops = {
 	.open = tracing_open_generic,
 	.read = event_format_read,
@@ -646,9 +519,6 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events)
 		}
 	}
 
-	/* default the output to printf */
-	call->type = TRACE_EVENT_TYPE_PRINTF;
-
 	call->dir = debugfs_create_dir(call->name, d_events);
 	if (!call->dir) {
 		pr_warning("Could not create debugfs "
@@ -664,21 +534,6 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events)
 				   "'%s/enable' entry\n", call->name);
 	}
 
-	/* Only let type be writable, if we can change it */
-	entry = debugfs_create_file("type",
-				    call->raw_init ? 0644 : 0444,
-				    call->dir, call,
-				    &ftrace_type_fops);
-	if (!entry)
-		pr_warning("Could not create debugfs "
-			   "'%s/type' entry\n", call->name);
-
-	entry = debugfs_create_file("available_types", 0444, call->dir, call,
-				    &ftrace_available_types_fops);
-	if (!entry)
-		pr_warning("Could not create debugfs "
-			   "'%s/available_types' entry\n", call->name);
-
 	/* A trace may not want to export its format */
 	if (!call->show_format)
 		return 0;
@@ -703,13 +558,6 @@ static __init int event_trace_init(void)
 	if (!d_tracer)
 		return 0;
 
-	entry = debugfs_create_file("available_events", 0444, d_tracer,
-				    (void *)&show_event_seq_ops,
-				    &ftrace_avail_fops);
-	if (!entry)
-		pr_warning("Could not create debugfs "
-			   "'available_events' entry\n");
-
 	entry = debugfs_create_file("set_event", 0644, d_tracer,
 				    (void *)&show_set_event_seq_ops,
 				    &ftrace_set_event_fops);