xref: /openbmc/linux/arch/arm64/mm/ptdump_debugfs.c (revision fb574682)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/debugfs.h>
3 #include <linux/memory_hotplug.h>
4 #include <linux/seq_file.h>
5 
6 #include <asm/ptdump.h>
7 
8 static int ptdump_show(struct seq_file *m, void *v)
9 {
10 	struct ptdump_info *info = m->private;
11 
12 	get_online_mems();
13 	ptdump_walk(m, info);
14 	put_online_mems();
15 	return 0;
16 }
17 DEFINE_SHOW_ATTRIBUTE(ptdump);
18 
19 void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
20 {
21 	debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
22 }
23