1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 */
5
6#include <asm/errno.h>
7#include <init.h>
8#include <kern.h>
9#include <os.h>
10
11/* Changed by set_umid_arg */
12static int umid_inited;
13
14static int __init set_umid_arg(char *name, int *add)
15{
16	int err;
17
18	if (umid_inited) {
19		os_warn("umid already set\n");
20		return 0;
21	}
22
23	*add = 0;
24	err = set_umid(name);
25	if (err == -EEXIST)
26		os_warn("umid '%s' already in use\n", name);
27	else if (!err)
28		umid_inited = 1;
29
30	return 0;
31}
32
33__uml_setup("umid=", set_umid_arg,
34"umid=<name>\n"
35"    This is used to assign a unique identity to this UML machine and\n"
36"    is used for naming the pid file and management console socket.\n\n"
37);
38
39