X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=kernel%2Flockdep_proc.c;h=58f35e586ee3b508e693e3cd010a69982ae76b5f;hb=4fc00cb4d520124e82fdaa5882077075b1f007cc;hp=f6e72eaab3faf08b18c65092ef1906ed696a1dd7;hpb=912b2539e1e062cec73e2e61448e507f7719bd08;p=powerpc.git

diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index f6e72eaab3..58f35e586e 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -10,7 +10,6 @@
  * Code for /proc/lockdep and /proc/lockdep_stats:
  *
  */
-#include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
@@ -77,12 +76,29 @@ static unsigned long count_backward_deps(struct lock_class *class)
 	return ret;
 }
 
+static void print_name(struct seq_file *m, struct lock_class *class)
+{
+	char str[128];
+	const char *name = class->name;
+
+	if (!name) {
+		name = __get_key_name(class->key, str);
+		seq_printf(m, "%s", name);
+	} else{
+		seq_printf(m, "%s", name);
+		if (class->name_version > 1)
+			seq_printf(m, "#%d", class->name_version);
+		if (class->subclass)
+			seq_printf(m, "/%d", class->subclass);
+	}
+}
+
 static int l_show(struct seq_file *m, void *v)
 {
 	unsigned long nr_forward_deps, nr_backward_deps;
 	struct lock_class *class = m->private;
-	char str[128], c1, c2, c3, c4;
-	const char *name;
+	struct lock_list *entry;
+	char c1, c2, c3, c4;
 
 	seq_printf(m, "%p", class->key);
 #ifdef CONFIG_DEBUG_LOCKDEP
@@ -97,23 +113,23 @@ static int l_show(struct seq_file *m, void *v)
 	get_usage_chars(class, &c1, &c2, &c3, &c4);
 	seq_printf(m, " %c%c%c%c", c1, c2, c3, c4);
 
-	name = class->name;
-	if (!name) {
-		name = __get_key_name(class->key, str);
-		seq_printf(m, ": %s", name);
-	} else{
-		seq_printf(m, ": %s", name);
-		if (class->name_version > 1)
-			seq_printf(m, "#%d", class->name_version);
-		if (class->subclass)
-			seq_printf(m, "/%d", class->subclass);
+	seq_printf(m, ": ");
+	print_name(m, class);
+	seq_puts(m, "\n");
+
+	list_for_each_entry(entry, &class->locks_after, entry) {
+		if (entry->distance == 1) {
+			seq_printf(m, " -> [%p] ", entry->class);
+			print_name(m, entry->class);
+			seq_puts(m, "\n");
+		}
 	}
 	seq_puts(m, "\n");
 
 	return 0;
 }
 
-static struct seq_operations lockdep_ops = {
+static const struct seq_operations lockdep_ops = {
 	.start	= l_start,
 	.next	= l_next,
 	.stop	= l_stop,
@@ -135,7 +151,7 @@ static int lockdep_open(struct inode *inode, struct file *file)
 	return res;
 }
 
-static struct file_operations proc_lockdep_operations = {
+static const struct file_operations proc_lockdep_operations = {
 	.open		= lockdep_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -227,7 +243,7 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
 
 		sum_forward_deps += count_forward_deps(class);
 	}
-#ifdef CONFIG_LOCKDEP_DEBUG
+#ifdef CONFIG_DEBUG_LOCKDEP
 	DEBUG_LOCKS_WARN_ON(debug_atomic_read(&nr_unused_locks) != nr_unused);
 #endif
 	seq_printf(m, " lock-classes:                  %11lu [max: %lu]\n",
@@ -319,7 +335,7 @@ static int lockdep_stats_open(struct inode *inode, struct file *file)
 	return single_open(file, lockdep_stats_show, NULL);
 }
 
-static struct file_operations proc_lockdep_stats_operations = {
+static const struct file_operations proc_lockdep_stats_operations = {
 	.open		= lockdep_stats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,