Commit | Line | Data |
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457c8996 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
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 | ||
92045954 | 10 | #include <generated/compile.h> |
9afb719e | 11 | #include <linux/build-salt.h> |
1fdd7433 | 12 | #include <linux/elfnote-lto.h> |
e4f02fda | 13 | #include <linux/export.h> |
5a704629 DM |
14 | #include <linux/init.h> |
15 | #include <linux/printk.h> | |
1da177e4 LT |
16 | #include <linux/uts.h> |
17 | #include <linux/utsname.h> | |
273b281f | 18 | #include <generated/utsrelease.h> |
0bb80f24 | 19 | #include <linux/proc_ns.h> |
1da177e4 | 20 | |
5a704629 DM |
21 | static int __init early_hostname(char *arg) |
22 | { | |
23 | size_t bufsize = sizeof(init_uts_ns.name.nodename); | |
24 | size_t maxlen = bufsize - 1; | |
25 | size_t arglen; | |
26 | ||
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", | |
30 | maxlen); | |
31 | } | |
32 | return 0; | |
33 | } | |
34 | early_param("hostname", early_hostname); | |
35 | ||
3eb3c740 RZ |
36 | const char linux_proc_banner[] = |
37 | "%s version %s" | |
38 | " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" | |
39 | " (" LINUX_COMPILER ") %s\n"; | |
9afb719e LA |
40 | |
41 | BUILD_SALT; | |
1fdd7433 | 42 | BUILD_LTO_INFO; |
2df8220c MY |
43 | |
44 | /* | |
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. | |
48 | */ | |
49 | ||
50 | struct uts_namespace init_uts_ns __weak; | |
51 | const char linux_banner[] __weak; | |
52 | ||
53 | #include "version-timestamp.c" | |
54 | ||
55 | EXPORT_SYMBOL_GPL(init_uts_ns); |