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