1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 *  linux/init/version.c
 4 *
 5 *  Copyright (C) 1992  Theodore Ts'o
 6 *
 7 *  May be freely distributed as part of Linux.
 8 */
 9
10#include <generated/compile.h>
11#include <linux/build-salt.h>
12#include <linux/elfnote-lto.h>
13#include <linux/export.h>
14#include <linux/init.h>
15#include <linux/printk.h>
16#include <linux/uts.h>
17#include <linux/utsname.h>
 
 
18#include <linux/proc_ns.h>
19
20static int __init early_hostname(char *arg)
21{
22	size_t bufsize = sizeof(init_uts_ns.name.nodename);
23	size_t maxlen  = bufsize - 1;
24	ssize_t arglen;
25
26	arglen = strscpy(init_uts_ns.name.nodename, arg, bufsize);
27	if (arglen < 0) {
28		pr_warn("hostname parameter exceeds %zd characters and will be truncated",
29			maxlen);
30	}
31	return 0;
32}
33early_param("hostname", early_hostname);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
34
35const char linux_proc_banner[] =
36	"%s version %s"
37	" (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
38	" (" LINUX_COMPILER ") %s\n";
39
40BUILD_SALT;
41BUILD_LTO_INFO;
42
43/*
44 * init_uts_ns and linux_banner contain the build version and timestamp,
45 * which are really fixed at the very last step of build process.
46 * They are compiled with __weak first, and without __weak later.
47 */
48
49struct uts_namespace init_uts_ns __weak;
50const char linux_banner[] __weak;
51
52#include "version-timestamp.c"
53
54EXPORT_SYMBOL_GPL(init_uts_ns);

 
 1/*
 2 *  linux/init/version.c
 3 *
 4 *  Copyright (C) 1992  Theodore Ts'o
 5 *
 6 *  May be freely distributed as part of Linux.
 7 */
 8
 9#include <generated/compile.h>
10#include <linux/module.h>
 
 
 
 
11#include <linux/uts.h>
12#include <linux/utsname.h>
13#include <generated/utsrelease.h>
14#include <linux/version.h>
15#include <linux/proc_ns.h>
16
17#ifndef CONFIG_KALLSYMS
18#define version(a) Version_ ## a
19#define version_string(a) version(a)
20
21extern int version_string(LINUX_VERSION_CODE);
22int version_string(LINUX_VERSION_CODE);
23#endif
24
25struct uts_namespace init_uts_ns = {
26	.kref = {
27		.refcount	= ATOMIC_INIT(2),
28	},
29	.name = {
30		.sysname	= UTS_SYSNAME,
31		.nodename	= UTS_NODENAME,
32		.release	= UTS_RELEASE,
33		.version	= UTS_VERSION,
34		.machine	= UTS_MACHINE,
35		.domainname	= UTS_DOMAINNAME,
36	},
37	.user_ns = &init_user_ns,
38	.ns.inum = PROC_UTS_INIT_INO,
39#ifdef CONFIG_UTS_NS
40	.ns.ops = &utsns_operations,
41#endif
42};
43EXPORT_SYMBOL_GPL(init_uts_ns);
44
45/* FIXED STRINGS! Don't touch! */
46const char linux_banner[] =
47	"Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@"
48	LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n";
49
50const char linux_proc_banner[] =
51	"%s version %s"
52	" (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
53	" (" LINUX_COMPILER ") %s\n";