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 */
12 static int umid_inited;
13
14 static 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
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