1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1992 Theodore Ts'o
7 * May be freely distributed as part of Linux.
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 <generated/utsrelease.h>
19 #include <linux/proc_ns.h>
21 static int __init early_hostname(char *arg)
23 size_t bufsize = sizeof(init_uts_ns.name.nodename);
24 size_t maxlen = bufsize - 1;
27 arglen = strlcpy(init_uts_ns.name.nodename, arg, bufsize);
28 if (arglen > maxlen) {
29 pr_warn("hostname parameter exceeds %zd characters and will be truncated",
34 early_param("hostname", early_hostname);
36 const char linux_proc_banner[] =
38 " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
39 " (" LINUX_COMPILER ") %s\n";
45 * init_uts_ns and linux_banner contain the build version and timestamp,
46 * which are really fixed at the very last step of build process.
47 * They are compiled with __weak first, and without __weak later.
50 struct uts_namespace init_uts_ns __weak;
51 const char linux_banner[] __weak;
53 #include "version-timestamp.c"
55 EXPORT_SYMBOL_GPL(init_uts_ns);