1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| // SPDX-License-Identifier: GPL-2.0
| #include <linux/debugfs.h>
| #include <linux/seq_file.h>
|
| #include <asm/ptdump.h>
|
| static int ptdump_show(struct seq_file *m, void *v)
| {
| struct ptdump_info *info = m->private;
|
| ptdump_walk_pgd(m, info);
| return 0;
| }
|
| static int ptdump_open(struct inode *inode, struct file *file)
| {
| return single_open(file, ptdump_show, inode->i_private);
| }
|
| static const struct file_operations ptdump_fops = {
| .open = ptdump_open,
| .read = seq_read,
| .llseek = seq_lseek,
| .release = single_release,
| };
|
| int ptdump_debugfs_register(struct ptdump_info *info, const char *name)
| {
| struct dentry *pe;
|
| pe = debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
| return pe ? 0 : -ENOMEM;
|
| }
|
|
