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 <generated/utsrelease.h> 19 #include <linux/version.h> 20 #include <linux/proc_ns.h> 21 22 struct uts_namespace init_uts_ns = { 23 .ns.count = REFCOUNT_INIT(2), 24 .name = { 25 .sysname = UTS_SYSNAME, 26 .nodename = UTS_NODENAME, 27 .release = UTS_RELEASE, 28 .version = UTS_VERSION, 29 .machine = UTS_MACHINE, 30 .domainname = UTS_DOMAINNAME, 31 }, 32 .user_ns = &init_user_ns, 33 .ns.inum = PROC_UTS_INIT_INO, 34 #ifdef CONFIG_UTS_NS 35 .ns.ops = &utsns_operations, 36 #endif 37 }; 38 EXPORT_SYMBOL_GPL(init_uts_ns); 39 40 static int __init early_hostname(char *arg) 41 { 42 size_t bufsize = sizeof(init_uts_ns.name.nodename); 43 size_t maxlen = bufsize - 1; 44 size_t arglen; 45 46 arglen = strlcpy(init_uts_ns.name.nodename, arg, bufsize); 47 if (arglen > maxlen) { 48 pr_warn("hostname parameter exceeds %zd characters and will be truncated", 49 maxlen); 50 } 51 return 0; 52 } 53 early_param("hostname", early_hostname); 54 55 /* FIXED STRINGS! Don't touch! */ 56 const char linux_banner[] = 57 "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" 58 LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; 59 60 const char linux_proc_banner[] = 61 "%s version %s" 62 " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" 63 " (" LINUX_COMPILER ") %s\n"; 64 65 BUILD_SALT; 66 BUILD_LTO_INFO; 67