| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| Laura Abbott | 4ddb9bf | 2016-10-27 09:27:31 -0700 | [diff] [blame] | 2 | #include <linux/debugfs.h> |
| 3 | #include <linux/seq_file.h> |
| 4 | |
| 5 | #include <asm/ptdump.h> |
| 6 | |
| 7 | static int ptdump_show(struct seq_file *m, void *v) |
| 8 | { |
| 9 | struct ptdump_info *info = m->private; |
| 10 | ptdump_walk_pgd(m, info); |
| 11 | return 0; |
| 12 | } |
| Peng Donglin | 90aff8d | 2018-06-13 09:11:56 +0800 | [diff] [blame] | 13 | DEFINE_SHOW_ATTRIBUTE(ptdump); |
| Laura Abbott | 4ddb9bf | 2016-10-27 09:27:31 -0700 | [diff] [blame] | 14 | |
| 15 | int ptdump_debugfs_register(struct ptdump_info *info, const char *name) |
| 16 | { |
| 17 | struct dentry *pe; |
| 18 | pe = debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); |
| 19 | return pe ? 0 : -ENOMEM; |
| 20 | |
| 21 | } |
