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-rw-r--r--lib/842/Makefile1
-rw-r--r--lib/Kconfig1
-rw-r--r--lib/Kconfig.debug1
-rw-r--r--lib/Kconfig.kasan1
-rw-r--r--lib/Kconfig.kgdb1
-rw-r--r--lib/Kconfig.ubsan1
-rw-r--r--lib/bitrev.c1
-rw-r--r--lib/debug_locks.c1
-rw-r--r--lib/fault-inject.c1
-rw-r--r--lib/fonts/Kconfig1
-rw-r--r--lib/idr.c1
-rw-r--r--lib/interval_tree.c1
-rw-r--r--lib/interval_tree_test.c1
-rw-r--r--lib/iov_iter.c1
-rw-r--r--lib/lz4/Makefile1
-rw-r--r--lib/lzo/Makefile1
-rw-r--r--lib/lzo/lzo1x_compress.c1
-rw-r--r--lib/lzo/lzo1x_decompress_safe.c1
-rw-r--r--lib/math/Kconfig1
-rw-r--r--lib/math/Makefile1
-rw-r--r--lib/math/gcd.c1
-rw-r--r--lib/math/lcm.c1
-rw-r--r--lib/math/prime_numbers.c1
-rw-r--r--lib/memory-notifier-error-inject.c1
-rw-r--r--lib/netdev-notifier-error-inject.c1
-rw-r--r--lib/notifier-error-inject.c1
-rw-r--r--lib/of-reconfig-notifier-error-inject.c1
-rw-r--r--lib/percpu-refcount.c1
-rw-r--r--lib/percpu_test.c1
-rw-r--r--lib/plist.c3
-rw-r--r--lib/pm-notifier-error-inject.c1
-rw-r--r--lib/rbtree_test.c1
-rw-r--r--lib/reed_solomon/Makefile1
-rw-r--r--lib/sg_pool.c1
-rw-r--r--lib/string_helpers.c1
-rw-r--r--lib/test_bitmap.c1
-rw-r--r--lib/test_debug_virtual.c1
-rw-r--r--lib/test_firmware.c1
-rw-r--r--lib/test_hash.c1
-rw-r--r--lib/test_list_sort.c1
-rw-r--r--lib/test_module.c1
-rw-r--r--lib/test_printf.c1
-rw-r--r--lib/test_sort.c1
-rw-r--r--lib/test_string.c1
-rw-r--r--lib/vsprintf.c1
-rw-r--r--lib/xz/Kconfig1
-rw-r--r--lib/xz/Makefile1
-rw-r--r--lib/zlib_deflate/Makefile1
-rw-r--r--lib/zlib_deflate/deflate_syms.c1
-rw-r--r--lib/zlib_inflate/Makefile1
-rw-r--r--lib/zlib_inflate/inflate_syms.c1
-rw-r--r--lib/zstd/Makefile1
52 files changed, 52 insertions, 2 deletions
diff --git a/lib/842/Makefile b/lib/842/Makefile
index 5d24c0baff2e..6f7aad269288 100644
--- a/lib/842/Makefile
+++ b/lib/842/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_842_COMPRESS) += 842_compress.o
obj-$(CONFIG_842_DECOMPRESS) += 842_decompress.o
diff --git a/lib/Kconfig b/lib/Kconfig
index 8d9239a4156c..90623a0e1942 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Library configuration
#
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index eae43952902e..cbdfae379896 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
menu "Kernel hacking"
menu "printk and dmesg options"
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 9950b660e62d..4fafba1a923b 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# This config refers to the generic KASAN mode.
config HAVE_ARCH_KASAN
bool
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index ab4ff0eea776..bbe397df04a3 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config HAVE_ARCH_KGDB
bool
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index a2ae4a8e4fa6..0e04fcb3ab3d 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config ARCH_HAS_UBSAN_SANITIZE_ALL
bool
diff --git a/lib/bitrev.c b/lib/bitrev.c
index 40ffda94cc5d..81b56e0a7f32 100644
--- a/lib/bitrev.c
+++ b/lib/bitrev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#ifndef CONFIG_HAVE_ARCH_BITREVERSE
#include <linux/types.h>
#include <linux/module.h>
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index ce51749cc145..a75ee30b77cb 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* lib/debug_locks.c
*
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index e26aa4f65eb9..3cb21b2bf088 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/random.h>
diff --git a/lib/fonts/Kconfig b/lib/fonts/Kconfig
index 3ecdd5204ec5..37baa79cdd71 100644
--- a/lib/fonts/Kconfig
+++ b/lib/fonts/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Font configuration
#
diff --git a/lib/idr.c b/lib/idr.c
index cb1db9b8d3f6..c34e256d2f01 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/bitmap.h>
#include <linux/bug.h>
#include <linux/export.h>
diff --git a/lib/interval_tree.c b/lib/interval_tree.c
index c85f6600a5f8..593ce56ece50 100644
--- a/lib/interval_tree.c
+++ b/lib/interval_tree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/interval_tree.h>
#include <linux/interval_tree_generic.h>
#include <linux/compiler.h>
diff --git a/lib/interval_tree_test.c b/lib/interval_tree_test.c
index 75509a1511a3..f37f4d44faa9 100644
--- a/lib/interval_tree_test.c
+++ b/lib/interval_tree_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/interval_tree.h>
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index f74fa832f3aa..f99c41d4eb54 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/bvec.h>
#include <linux/uio.h>
diff --git a/lib/lz4/Makefile b/lib/lz4/Makefile
index f7b113271d13..5b42242afaa2 100644
--- a/lib/lz4/Makefile
+++ b/lib/lz4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
ccflags-y += -O3
obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o
diff --git a/lib/lzo/Makefile b/lib/lzo/Makefile
index f0f7d7ca2b83..2f58fafbbddd 100644
--- a/lib/lzo/Makefile
+++ b/lib/lzo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lzo_compress-objs := lzo1x_compress.o
lzo_decompress-objs := lzo1x_decompress_safe.o
diff --git a/lib/lzo/lzo1x_compress.c b/lib/lzo/lzo1x_compress.c
index a8ede77afe0d..ba16c08e8cb9 100644
--- a/lib/lzo/lzo1x_compress.c
+++ b/lib/lzo/lzo1x_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* LZO1X Compressor from LZO
*
diff --git a/lib/lzo/lzo1x_decompress_safe.c b/lib/lzo/lzo1x_decompress_safe.c
index 9e07e9ef1aad..2717c7963acd 100644
--- a/lib/lzo/lzo1x_decompress_safe.c
+++ b/lib/lzo/lzo1x_decompress_safe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* LZO1X Decompressor from LZO
*
diff --git a/lib/math/Kconfig b/lib/math/Kconfig
index 73bdf37178d1..15bd50d92308 100644
--- a/lib/math/Kconfig
+++ b/lib/math/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config CORDIC
tristate "CORDIC algorithm"
help
diff --git a/lib/math/Makefile b/lib/math/Makefile
index 583bbfebfc09..be6909e943bd 100644
--- a/lib/math/Makefile
+++ b/lib/math/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y += div64.o gcd.o lcm.o int_pow.o int_sqrt.o reciprocal_div.o
obj-$(CONFIG_CORDIC) += cordic.o
diff --git a/lib/math/gcd.c b/lib/math/gcd.c
index 7948ab27f0a4..e3b042214d1b 100644
--- a/lib/math/gcd.c
+++ b/lib/math/gcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>
diff --git a/lib/math/lcm.c b/lib/math/lcm.c
index 03d7fcb420b5..6e0b2e736700 100644
--- a/lib/math/lcm.c
+++ b/lib/math/lcm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/compiler.h>
#include <linux/gcd.h>
#include <linux/export.h>
diff --git a/lib/math/prime_numbers.c b/lib/math/prime_numbers.c
index 550eec457c2e..052f5b727be7 100644
--- a/lib/math/prime_numbers.c
+++ b/lib/math/prime_numbers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "prime numbers: " fmt "\n"
#include <linux/module.h>
diff --git a/lib/memory-notifier-error-inject.c b/lib/memory-notifier-error-inject.c
index e6239bf0b0df..2c46dde59644 100644
--- a/lib/memory-notifier-error-inject.c
+++ b/lib/memory-notifier-error-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/memory.h>
diff --git a/lib/netdev-notifier-error-inject.c b/lib/netdev-notifier-error-inject.c
index 13e9c62e216f..bb930f279e90 100644
--- a/lib/netdev-notifier-error-inject.c
+++ b/lib/netdev-notifier-error-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
diff --git a/lib/notifier-error-inject.c b/lib/notifier-error-inject.c
index eb4a04afea80..3d2ba7cf83f4 100644
--- a/lib/notifier-error-inject.c
+++ b/lib/notifier-error-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include "notifier-error-inject.h"
diff --git a/lib/of-reconfig-notifier-error-inject.c b/lib/of-reconfig-notifier-error-inject.c
index 8dc79861758a..b26f16402a19 100644
--- a/lib/of-reconfig-notifier-error-inject.c
+++ b/lib/of-reconfig-notifier-error-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index da54318d3b55..071a76c7bac0 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "%s: " fmt "\n", __func__
#include <linux/kernel.h>
diff --git a/lib/percpu_test.c b/lib/percpu_test.c
index 0b5d14dadd1a..4a3d70bbc1a0 100644
--- a/lib/percpu_test.c
+++ b/lib/percpu_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
/* validate @native and @pcp counter values match @expected */
diff --git a/lib/plist.c b/lib/plist.c
index d3bd8827186f..0d86ed7a76ac 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* lib/plist.c
*
@@ -14,8 +15,6 @@
* Simplifications of the original code by
* Oleg Nesterov <oleg@tv-sign.ru>
*
- * Licensed under the FSF's GNU Public License v2 or later.
- *
* Based on simple lists (include/linux/list.h).
*
* This file contains the add / del functions which are considered to
diff --git a/lib/pm-notifier-error-inject.c b/lib/pm-notifier-error-inject.c
index c094b2dedc23..5d89f0d9099a 100644
--- a/lib/pm-notifier-error-inject.c
+++ b/lib/pm-notifier-error-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/suspend.h>
diff --git a/lib/rbtree_test.c b/lib/rbtree_test.c
index b7055b2a07d3..62b8ee92643d 100644
--- a/lib/rbtree_test.c
+++ b/lib/rbtree_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/rbtree_augmented.h>
diff --git a/lib/reed_solomon/Makefile b/lib/reed_solomon/Makefile
index c3d7136827ed..ba9d7a3329eb 100644
--- a/lib/reed_solomon/Makefile
+++ b/lib/reed_solomon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# This is a modified version of reed solomon lib,
#
diff --git a/lib/sg_pool.c b/lib/sg_pool.c
index d1c1e6388eaa..cff20df2695e 100644
--- a/lib/sg_pool.c
+++ b/lib/sg_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/scatterlist.h>
#include <linux/mempool.h>
diff --git a/lib/string_helpers.c b/lib/string_helpers.c
index 29c490e5d478..4403e1924f73 100644
--- a/lib/string_helpers.c
+++ b/lib/string_helpers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Helpers for formatting and printing strings
*
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index d3a501f2a81a..51a98f7ee79e 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Test cases for printf facility.
*/
diff --git a/lib/test_debug_virtual.c b/lib/test_debug_virtual.c
index bf864c73e462..b7cc0aaee173 100644
--- a/lib/test_debug_virtual.c
+++ b/lib/test_debug_virtual.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/export.h>
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 7222093ee00b..787c146eb485 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This module provides an interface to trigger and test firmware loading.
*
diff --git a/lib/test_hash.c b/lib/test_hash.c
index cac20c5fb304..0ee40b4a56dd 100644
--- a/lib/test_hash.c
+++ b/lib/test_hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Test cases for <linux/hash.h> and <linux/stringhash.h>
* This just verifies that various ways of computing a hash
diff --git a/lib/test_list_sort.c b/lib/test_list_sort.c
index 5474f3f3e41d..1f017d3b610e 100644
--- a/lib/test_list_sort.c
+++ b/lib/test_list_sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "list_sort_test: " fmt
#include <linux/kernel.h>
diff --git a/lib/test_module.c b/lib/test_module.c
index 319b66f1ff61..debd19e35198 100644
--- a/lib/test_module.c
+++ b/lib/test_module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This module emits "Hello, world" on printk when loaded.
*
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 93da0a5000ec..944eb50f3862 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Test cases for printf facility.
*/
diff --git a/lib/test_sort.c b/lib/test_sort.c
index 385c0ed5202f..52edbe10f2e5 100644
--- a/lib/test_sort.c
+++ b/lib/test_sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/sort.h>
#include <linux/slab.h>
#include <linux/module.h>
diff --git a/lib/test_string.c b/lib/test_string.c
index 0fcdb82dca86..bf8def01ed20 100644
--- a/lib/test_string.c
+++ b/lib/test_string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/printk.h>
#include <linux/slab.h>
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 2f003cfe340e..63937044c57d 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/lib/vsprintf.c
*
diff --git a/lib/xz/Kconfig b/lib/xz/Kconfig
index 12d2d777f36b..22528743d4ce 100644
--- a/lib/xz/Kconfig
+++ b/lib/xz/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config XZ_DEC
tristate "XZ decompression support"
select CRC32
diff --git a/lib/xz/Makefile b/lib/xz/Makefile
index a7fa7693f0f3..fa6af814a8d1 100644
--- a/lib/xz/Makefile
+++ b/lib/xz/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_XZ_DEC) += xz_dec.o
xz_dec-y := xz_dec_syms.o xz_dec_stream.o xz_dec_lzma2.o
xz_dec-$(CONFIG_XZ_DEC_BCJ) += xz_dec_bcj.o
diff --git a/lib/zlib_deflate/Makefile b/lib/zlib_deflate/Makefile
index 86275e3fdcbc..2622e03c0b94 100644
--- a/lib/zlib_deflate/Makefile
+++ b/lib/zlib_deflate/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# This is a modified version of zlib, which does all memory
# allocation ahead of time.
diff --git a/lib/zlib_deflate/deflate_syms.c b/lib/zlib_deflate/deflate_syms.c
index ccfe25f3920f..72fe4b73be53 100644
--- a/lib/zlib_deflate/deflate_syms.c
+++ b/lib/zlib_deflate/deflate_syms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/lib/zlib_deflate/deflate_syms.c
*
diff --git a/lib/zlib_inflate/Makefile b/lib/zlib_inflate/Makefile
index 49f8ce5774d2..27327d3e9f54 100644
--- a/lib/zlib_inflate/Makefile
+++ b/lib/zlib_inflate/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# This is a modified version of zlib, which does all memory
# allocation ahead of time.
diff --git a/lib/zlib_inflate/inflate_syms.c b/lib/zlib_inflate/inflate_syms.c
index 67329fe9907e..9720114c0672 100644
--- a/lib/zlib_inflate/inflate_syms.c
+++ b/lib/zlib_inflate/inflate_syms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/lib/zlib_inflate/inflate_syms.c
*
diff --git a/lib/zstd/Makefile b/lib/zstd/Makefile
index 7920cbbfeae9..f5d778e7e5c7 100644
--- a/lib/zstd/Makefile
+++ b/lib/zstd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_ZSTD_COMPRESS) += zstd_compress.o
obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o