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From: Masahiro Yamada <masahiroy@kernel.org>
To: linux-spdx@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Masahiro Yamada <masahiroy@kernel.org>
Subject: [PATCH 2/2] .gitignore: add SPDX License Identifier
Date: Tue,  3 Mar 2020 22:35:59 +0900
Message-ID: <20200303133600.9263-2-masahiroy@kernel.org> (raw)
In-Reply-To: <20200303133600.9263-1-masahiroy@kernel.org>

Add SPDX License Identifier to all .gitignore files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

 .gitignore                                                       | 1 +
 Documentation/.gitignore                                         | 1 +
 Documentation/devicetree/bindings/.gitignore                     | 1 +
 Documentation/vm/.gitignore                                      | 1 +
 arch/.gitignore                                                  | 1 +
 arch/alpha/kernel/.gitignore                                     | 1 +
 arch/arc/boot/.gitignore                                         | 1 +
 arch/arc/kernel/.gitignore                                       | 1 +
 arch/arm/boot/.gitignore                                         | 1 +
 arch/arm/boot/compressed/.gitignore                              | 1 +
 arch/arm/crypto/.gitignore                                       | 1 +
 arch/arm/kernel/.gitignore                                       | 1 +
 arch/arm/mach-at91/.gitignore                                    | 1 +
 arch/arm/mach-omap2/.gitignore                                   | 1 +
 arch/arm/vdso/.gitignore                                         | 1 +
 arch/arm64/boot/.gitignore                                       | 1 +
 arch/arm64/crypto/.gitignore                                     | 1 +
 arch/arm64/kernel/.gitignore                                     | 1 +
 arch/arm64/kernel/vdso/.gitignore                                | 1 +
 arch/arm64/kernel/vdso32/.gitignore                              | 1 +
 arch/ia64/kernel/.gitignore                                      | 1 +
 arch/m68k/kernel/.gitignore                                      | 1 +
 arch/microblaze/boot/.gitignore                                  | 1 +
 arch/microblaze/kernel/.gitignore                                | 1 +
 arch/mips/boot/.gitignore                                        | 1 +
 arch/mips/boot/compressed/.gitignore                             | 1 +
 arch/mips/boot/tools/.gitignore                                  | 1 +
 arch/mips/kernel/.gitignore                                      | 1 +
 arch/mips/tools/.gitignore                                       | 1 +
 arch/mips/vdso/.gitignore                                        | 1 +
 arch/nds32/kernel/.gitignore                                     | 1 +
 arch/nds32/kernel/vdso/.gitignore                                | 1 +
 arch/nios2/boot/.gitignore                                       | 1 +
 arch/nios2/kernel/.gitignore                                     | 1 +
 arch/openrisc/kernel/.gitignore                                  | 1 +
 arch/parisc/boot/.gitignore                                      | 1 +
 arch/parisc/boot/compressed/.gitignore                           | 1 +
 arch/parisc/kernel/.gitignore                                    | 1 +
 arch/powerpc/boot/.gitignore                                     | 1 +
 arch/powerpc/kernel/.gitignore                                   | 1 +
 arch/powerpc/kernel/vdso32/.gitignore                            | 1 +
 arch/powerpc/kernel/vdso64/.gitignore                            | 1 +
 arch/powerpc/platforms/cell/spufs/.gitignore                     | 1 +
 arch/powerpc/purgatory/.gitignore                                | 1 +
 arch/riscv/boot/.gitignore                                       | 1 +
 arch/riscv/kernel/.gitignore                                     | 1 +
 arch/riscv/kernel/vdso/.gitignore                                | 1 +
 arch/s390/boot/.gitignore                                        | 1 +
 arch/s390/boot/compressed/.gitignore                             | 1 +
 arch/s390/kernel/.gitignore                                      | 1 +
 arch/s390/kernel/vdso64/.gitignore                               | 1 +
 arch/s390/purgatory/.gitignore                                   | 1 +
 arch/s390/tools/.gitignore                                       | 1 +
 arch/sh/boot/.gitignore                                          | 1 +
 arch/sh/boot/compressed/.gitignore                               | 1 +
 arch/sh/kernel/.gitignore                                        | 1 +
 arch/sh/kernel/vsyscall/.gitignore                               | 1 +
 arch/sparc/boot/.gitignore                                       | 1 +
 arch/sparc/kernel/.gitignore                                     | 1 +
 arch/sparc/vdso/.gitignore                                       | 1 +
 arch/sparc/vdso/vdso32/.gitignore                                | 1 +
 arch/um/.gitignore                                               | 1 +
 arch/unicore32/.gitignore                                        | 1 +
 arch/x86/.gitignore                                              | 1 +
 arch/x86/boot/.gitignore                                         | 1 +
 arch/x86/boot/compressed/.gitignore                              | 1 +
 arch/x86/boot/tools/.gitignore                                   | 1 +
 arch/x86/crypto/.gitignore                                       | 1 +
 arch/x86/entry/vdso/.gitignore                                   | 1 +
 arch/x86/entry/vdso/vdso32/.gitignore                            | 1 +
 arch/x86/kernel/.gitignore                                       | 1 +
 arch/x86/kernel/cpu/.gitignore                                   | 1 +
 arch/x86/lib/.gitignore                                          | 1 +
 arch/x86/realmode/rm/.gitignore                                  | 1 +
 arch/x86/tools/.gitignore                                        | 1 +
 arch/x86/um/vdso/.gitignore                                      | 1 +
 arch/xtensa/boot/.gitignore                                      | 1 +
 arch/xtensa/boot/boot-elf/.gitignore                             | 1 +
 arch/xtensa/boot/lib/.gitignore                                  | 1 +
 arch/xtensa/kernel/.gitignore                                    | 1 +
 certs/.gitignore                                                 | 1 +
 drivers/atm/.gitignore                                           | 1 +
 drivers/crypto/vmx/.gitignore                                    | 1 +
 drivers/eisa/.gitignore                                          | 1 +
 drivers/gpu/drm/i915/.gitignore                                  | 1 +
 drivers/gpu/drm/radeon/.gitignore                                | 1 +
 drivers/memory/.gitignore                                        | 1 +
 drivers/net/wan/.gitignore                                       | 1 +
 drivers/scsi/.gitignore                                          | 1 +
 drivers/scsi/aic7xxx/.gitignore                                  | 1 +
 drivers/staging/comedi/drivers/ni_routing/tools/.gitignore       | 1 +
 drivers/staging/greybus/tools/.gitignore                         | 1 +
 drivers/video/logo/.gitignore                                    | 1 +
 drivers/zorro/.gitignore                                         | 1 +
 fs/unicode/.gitignore                                            | 1 +
 kernel/.gitignore                                                | 1 +
 kernel/debug/kdb/.gitignore                                      | 1 +
 lib/.gitignore                                                   | 1 +
 lib/raid6/.gitignore                                             | 1 +
 net/bpfilter/.gitignore                                          | 1 +
 net/wireless/.gitignore                                          | 1 +
 samples/auxdisplay/.gitignore                                    | 1 +
 samples/bpf/.gitignore                                           | 1 +
 samples/connector/.gitignore                                     | 1 +
 samples/hidraw/.gitignore                                        | 1 +
 samples/mei/.gitignore                                           | 1 +
 samples/mic/mpssd/.gitignore                                     | 1 +
 samples/pidfd/.gitignore                                         | 1 +
 samples/seccomp/.gitignore                                       | 1 +
 samples/timers/.gitignore                                        | 1 +
 samples/vfs/.gitignore                                           | 1 +
 samples/watchdog/.gitignore                                      | 1 +
 scripts/.gitignore                                               | 1 +
 scripts/basic/.gitignore                                         | 1 +
 scripts/dtc/.gitignore                                           | 1 +
 scripts/gcc-plugins/.gitignore                                   | 1 +
 scripts/gdb/linux/.gitignore                                     | 1 +
 scripts/genksyms/.gitignore                                      | 1 +
 scripts/kconfig/.gitignore                                       | 1 +
 scripts/mod/.gitignore                                           | 1 +
 scripts/selinux/genheaders/.gitignore                            | 1 +
 scripts/selinux/mdp/.gitignore                                   | 1 +
 security/apparmor/.gitignore                                     | 1 +
 security/selinux/.gitignore                                      | 1 +
 security/tomoyo/.gitignore                                       | 1 +
 sound/oss/.gitignore                                             | 1 +
 tools/accounting/.gitignore                                      | 1 +
 tools/bootconfig/.gitignore                                      | 1 +
 tools/bpf/.gitignore                                             | 1 +
 tools/bpf/bpftool/.gitignore                                     | 1 +
 tools/bpf/runqslower/.gitignore                                  | 1 +
 tools/build/.gitignore                                           | 1 +
 tools/build/feature/.gitignore                                   | 1 +
 tools/cgroup/.gitignore                                          | 1 +
 tools/gpio/.gitignore                                            | 1 +
 tools/iio/.gitignore                                             | 1 +
 tools/laptop/dslm/.gitignore                                     | 1 +
 tools/leds/.gitignore                                            | 1 +
 tools/lib/bpf/.gitignore                                         | 1 +
 tools/lib/lockdep/.gitignore                                     | 1 +
 tools/lib/traceevent/.gitignore                                  | 1 +
 tools/memory-model/.gitignore                                    | 1 +
 tools/memory-model/litmus-tests/.gitignore                       | 1 +
 tools/objtool/.gitignore                                         | 1 +
 tools/pcmcia/.gitignore                                          | 1 +
 tools/perf/.gitignore                                            | 1 +
 tools/perf/tests/.gitignore                                      | 1 +
 tools/power/acpi/.gitignore                                      | 1 +
 tools/power/cpupower/.gitignore                                  | 1 +
 tools/power/x86/intel-speed-select/.gitignore                    | 1 +
 tools/power/x86/turbostat/.gitignore                             | 1 +
 tools/spi/.gitignore                                             | 1 +
 tools/testing/kunit/.gitignore                                   | 1 +
 tools/testing/radix-tree/.gitignore                              | 1 +
 tools/testing/selftests/.gitignore                               | 1 +
 tools/testing/selftests/android/ion/.gitignore                   | 1 +
 tools/testing/selftests/arm64/signal/.gitignore                  | 1 +
 tools/testing/selftests/arm64/tags/.gitignore                    | 1 +
 tools/testing/selftests/bpf/.gitignore                           | 1 +
 tools/testing/selftests/bpf/map_tests/.gitignore                 | 1 +
 tools/testing/selftests/bpf/prog_tests/.gitignore                | 1 +
 tools/testing/selftests/bpf/verifier/.gitignore                  | 1 +
 tools/testing/selftests/breakpoints/.gitignore                   | 1 +
 tools/testing/selftests/capabilities/.gitignore                  | 1 +
 tools/testing/selftests/cgroup/.gitignore                        | 1 +
 tools/testing/selftests/clone3/.gitignore                        | 1 +
 tools/testing/selftests/drivers/.gitignore                       | 1 +
 tools/testing/selftests/efivarfs/.gitignore                      | 1 +
 tools/testing/selftests/exec/.gitignore                          | 1 +
 tools/testing/selftests/filesystems/.gitignore                   | 1 +
 tools/testing/selftests/filesystems/binderfs/.gitignore          | 1 +
 tools/testing/selftests/filesystems/epoll/.gitignore             | 1 +
 tools/testing/selftests/ftrace/.gitignore                        | 1 +
 tools/testing/selftests/futex/functional/.gitignore              | 1 +
 tools/testing/selftests/gpio/.gitignore                          | 1 +
 tools/testing/selftests/ia64/.gitignore                          | 1 +
 tools/testing/selftests/intel_pstate/.gitignore                  | 1 +
 tools/testing/selftests/ipc/.gitignore                           | 1 +
 tools/testing/selftests/ir/.gitignore                            | 1 +
 tools/testing/selftests/kcmp/.gitignore                          | 1 +
 tools/testing/selftests/kvm/.gitignore                           | 1 +
 tools/testing/selftests/media_tests/.gitignore                   | 1 +
 tools/testing/selftests/membarrier/.gitignore                    | 1 +
 tools/testing/selftests/memfd/.gitignore                         | 1 +
 tools/testing/selftests/mount/.gitignore                         | 1 +
 tools/testing/selftests/mqueue/.gitignore                        | 1 +
 tools/testing/selftests/net/.gitignore                           | 1 +
 tools/testing/selftests/net/forwarding/.gitignore                | 1 +
 tools/testing/selftests/net/mptcp/.gitignore                     | 1 +
 tools/testing/selftests/networking/timestamping/.gitignore       | 1 +
 tools/testing/selftests/nsfs/.gitignore                          | 1 +
 tools/testing/selftests/openat2/.gitignore                       | 1 +
 tools/testing/selftests/pidfd/.gitignore                         | 1 +
 tools/testing/selftests/powerpc/alignment/.gitignore             | 1 +
 tools/testing/selftests/powerpc/benchmarks/.gitignore            | 1 +
 tools/testing/selftests/powerpc/cache_shape/.gitignore           | 1 +
 tools/testing/selftests/powerpc/copyloops/.gitignore             | 1 +
 tools/testing/selftests/powerpc/dscr/.gitignore                  | 1 +
 tools/testing/selftests/powerpc/math/.gitignore                  | 1 +
 tools/testing/selftests/powerpc/mm/.gitignore                    | 1 +
 tools/testing/selftests/powerpc/pmu/.gitignore                   | 1 +
 tools/testing/selftests/powerpc/pmu/ebb/.gitignore               | 1 +
 tools/testing/selftests/powerpc/primitives/.gitignore            | 1 +
 tools/testing/selftests/powerpc/ptrace/.gitignore                | 1 +
 tools/testing/selftests/powerpc/security/.gitignore              | 1 +
 tools/testing/selftests/powerpc/signal/.gitignore                | 1 +
 tools/testing/selftests/powerpc/stringloops/.gitignore           | 1 +
 tools/testing/selftests/powerpc/switch_endian/.gitignore         | 1 +
 tools/testing/selftests/powerpc/syscalls/.gitignore              | 1 +
 tools/testing/selftests/powerpc/tm/.gitignore                    | 1 +
 tools/testing/selftests/powerpc/vphn/.gitignore                  | 1 +
 tools/testing/selftests/prctl/.gitignore                         | 1 +
 tools/testing/selftests/proc/.gitignore                          | 1 +
 tools/testing/selftests/pstore/.gitignore                        | 1 +
 tools/testing/selftests/ptp/.gitignore                           | 1 +
 tools/testing/selftests/ptrace/.gitignore                        | 1 +
 tools/testing/selftests/rcutorture/.gitignore                    | 1 +
 tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore   | 1 +
 .../rcutorture/formal/srcu-cbmc/include/linux/.gitignore         | 1 +
 .../rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore | 1 +
 tools/testing/selftests/rseq/.gitignore                          | 1 +
 tools/testing/selftests/rtc/.gitignore                           | 1 +
 tools/testing/selftests/safesetid/.gitignore                     | 1 +
 tools/testing/selftests/seccomp/.gitignore                       | 1 +
 tools/testing/selftests/sigaltstack/.gitignore                   | 1 +
 tools/testing/selftests/size/.gitignore                          | 1 +
 tools/testing/selftests/sparc64/drivers/.gitignore               | 1 +
 tools/testing/selftests/splice/.gitignore                        | 1 +
 tools/testing/selftests/sync/.gitignore                          | 1 +
 tools/testing/selftests/tc-testing/.gitignore                    | 1 +
 tools/testing/selftests/timens/.gitignore                        | 1 +
 tools/testing/selftests/timers/.gitignore                        | 1 +
 tools/testing/selftests/tmpfs/.gitignore                         | 1 +
 tools/testing/selftests/vDSO/.gitignore                          | 1 +
 tools/testing/selftests/vm/.gitignore                            | 1 +
 tools/testing/selftests/watchdog/.gitignore                      | 1 +
 tools/testing/selftests/wireguard/qemu/.gitignore                | 1 +
 tools/testing/selftests/x86/.gitignore                           | 1 +
 tools/testing/vsock/.gitignore                                   | 1 +
 tools/thermal/tmon/.gitignore                                    | 1 +
 tools/usb/.gitignore                                             | 1 +
 tools/usb/usbip/.gitignore                                       | 1 +
 tools/virtio/.gitignore                                          | 1 +
 tools/vm/.gitignore                                              | 1 +
 usr/.gitignore                                                   | 1 +
 usr/include/.gitignore                                           | 1 +
 246 files changed, 246 insertions(+)

diff --git a/.gitignore b/.gitignore
index 2763fce8766c..059e0257482d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # NOTE! Don't add files that are generated in specific
 # subdirectories here. Add them in the ".gitignore" file
diff --git a/Documentation/.gitignore b/Documentation/.gitignore
index e74fec8693b2..d6dc7c9b8e25 100644
--- a/Documentation/.gitignore
+++ b/Documentation/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 output
 *.pyc
diff --git a/Documentation/devicetree/bindings/.gitignore b/Documentation/devicetree/bindings/.gitignore
index 57afa1533a5f..5c6d8ea1a09c 100644
--- a/Documentation/devicetree/bindings/.gitignore
+++ b/Documentation/devicetree/bindings/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.example.dts
 processed-schema*.yaml
diff --git a/Documentation/vm/.gitignore b/Documentation/vm/.gitignore
index 09b164a5700f..bc74f5643008 100644
--- a/Documentation/vm/.gitignore
+++ b/Documentation/vm/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 page-types
 slabinfo
diff --git a/arch/.gitignore b/arch/.gitignore
index 741468920320..4191da401dbb 100644
--- a/arch/.gitignore
+++ b/arch/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 i386
 x86_64
diff --git a/arch/alpha/kernel/.gitignore b/arch/alpha/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/alpha/kernel/.gitignore
+++ b/arch/alpha/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/arc/boot/.gitignore b/arch/arc/boot/.gitignore
index c4c5fd529c25..675db1494028 100644
--- a/arch/arc/boot/.gitignore
+++ b/arch/arc/boot/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 uImage
diff --git a/arch/arc/kernel/.gitignore b/arch/arc/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/arc/kernel/.gitignore
+++ b/arch/arc/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index ce1c5ff746e7..8c759326baf4 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 Image
 zImage
 xipImage
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 2fdb4885846b..60606b0f378d 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ashldi3.S
 bswapsdi2.S
 font.c
diff --git a/arch/arm/crypto/.gitignore b/arch/arm/crypto/.gitignore
index 31e1f538df7d..790e204050ba 100644
--- a/arch/arm/crypto/.gitignore
+++ b/arch/arm/crypto/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 aesbs-core.S
 sha256-core.S
 sha512-core.S
diff --git a/arch/arm/kernel/.gitignore b/arch/arm/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/arm/kernel/.gitignore
+++ b/arch/arm/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/arm/mach-at91/.gitignore b/arch/arm/mach-at91/.gitignore
index 2ecd6f51c8a9..f6d47389675e 100644
--- a/arch/arm/mach-at91/.gitignore
+++ b/arch/arm/mach-at91/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pm_data-offsets.h
diff --git a/arch/arm/mach-omap2/.gitignore b/arch/arm/mach-omap2/.gitignore
index 79a8d6ea7152..dc7be7556736 100644
--- a/arch/arm/mach-omap2/.gitignore
+++ b/arch/arm/mach-omap2/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pm-asm-offsets.h
diff --git a/arch/arm/vdso/.gitignore b/arch/arm/vdso/.gitignore
index 6b47f6e0b032..dfa06f5365cf 100644
--- a/arch/arm/vdso/.gitignore
+++ b/arch/arm/vdso/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
 vdso.so.raw
 vdsomunge
diff --git a/arch/arm64/boot/.gitignore b/arch/arm64/boot/.gitignore
index 8dab0bb6ae66..9a7a9009d43a 100644
--- a/arch/arm64/boot/.gitignore
+++ b/arch/arm64/boot/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 Image
 Image.gz
diff --git a/arch/arm64/crypto/.gitignore b/arch/arm64/crypto/.gitignore
index 879df8781ed5..a11a86217ffb 100644
--- a/arch/arm64/crypto/.gitignore
+++ b/arch/arm64/crypto/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 sha256-core.S
 sha512-core.S
diff --git a/arch/arm64/kernel/.gitignore b/arch/arm64/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/arm64/kernel/.gitignore
+++ b/arch/arm64/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/arm64/kernel/vdso/.gitignore b/arch/arm64/kernel/vdso/.gitignore
index f8b69d84238e..652e31d82582 100644
--- a/arch/arm64/kernel/vdso/.gitignore
+++ b/arch/arm64/kernel/vdso/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
diff --git a/arch/arm64/kernel/vdso32/.gitignore b/arch/arm64/kernel/vdso32/.gitignore
index 4fea950fa5ed..3542fa24e26b 100644
--- a/arch/arm64/kernel/vdso32/.gitignore
+++ b/arch/arm64/kernel/vdso32/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
 vdso.so.raw
diff --git a/arch/ia64/kernel/.gitignore b/arch/ia64/kernel/.gitignore
index 21cb0da5ded8..0374827206e7 100644
--- a/arch/ia64/kernel/.gitignore
+++ b/arch/ia64/kernel/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gate.lds
 vmlinux.lds
diff --git a/arch/m68k/kernel/.gitignore b/arch/m68k/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/m68k/kernel/.gitignore
+++ b/arch/m68k/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/microblaze/boot/.gitignore b/arch/microblaze/boot/.gitignore
index 679502d64a97..11a9e229f3c0 100644
--- a/arch/microblaze/boot/.gitignore
+++ b/arch/microblaze/boot/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 linux.bin*
 simpleImage.*
diff --git a/arch/microblaze/kernel/.gitignore b/arch/microblaze/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/microblaze/kernel/.gitignore
+++ b/arch/microblaze/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore
index a73d6e2c4f64..2adc8581a175 100644
--- a/arch/mips/boot/.gitignore
+++ b/arch/mips/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mkboot
 elf2ecoff
 vmlinux.*
diff --git a/arch/mips/boot/compressed/.gitignore b/arch/mips/boot/compressed/.gitignore
index ebae133f1d00..d358395614c9 100644
--- a/arch/mips/boot/compressed/.gitignore
+++ b/arch/mips/boot/compressed/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ashldi3.c
 bswapsi.c
diff --git a/arch/mips/boot/tools/.gitignore b/arch/mips/boot/tools/.gitignore
index be0ed065249b..d36dc7cf9115 100644
--- a/arch/mips/boot/tools/.gitignore
+++ b/arch/mips/boot/tools/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 relocs
diff --git a/arch/mips/kernel/.gitignore b/arch/mips/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/mips/kernel/.gitignore
+++ b/arch/mips/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/mips/tools/.gitignore b/arch/mips/tools/.gitignore
index b0209450d9ff..794817dfb389 100644
--- a/arch/mips/tools/.gitignore
+++ b/arch/mips/tools/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 elf-entry
 loongson3-llsc-check
diff --git a/arch/mips/vdso/.gitignore b/arch/mips/vdso/.gitignore
index 5286a7d73d79..1f43f6dd8142 100644
--- a/arch/mips/vdso/.gitignore
+++ b/arch/mips/vdso/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.so*
 vdso-*image.c
 genvdso
diff --git a/arch/nds32/kernel/.gitignore b/arch/nds32/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/nds32/kernel/.gitignore
+++ b/arch/nds32/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/nds32/kernel/vdso/.gitignore b/arch/nds32/kernel/vdso/.gitignore
index f8b69d84238e..652e31d82582 100644
--- a/arch/nds32/kernel/vdso/.gitignore
+++ b/arch/nds32/kernel/vdso/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
diff --git a/arch/nios2/boot/.gitignore b/arch/nios2/boot/.gitignore
index 64386a8dedd8..ef37cac5bcc0 100644
--- a/arch/nios2/boot/.gitignore
+++ b/arch/nios2/boot/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmImage
diff --git a/arch/nios2/kernel/.gitignore b/arch/nios2/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/nios2/kernel/.gitignore
+++ b/arch/nios2/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/openrisc/kernel/.gitignore b/arch/openrisc/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/openrisc/kernel/.gitignore
+++ b/arch/openrisc/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/parisc/boot/.gitignore b/arch/parisc/boot/.gitignore
index 017d5912ad2d..adf2ae0e7eda 100644
--- a/arch/parisc/boot/.gitignore
+++ b/arch/parisc/boot/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 image
 bzImage
diff --git a/arch/parisc/boot/compressed/.gitignore b/arch/parisc/boot/compressed/.gitignore
index 926cd41c1069..b9853a356ab2 100644
--- a/arch/parisc/boot/compressed/.gitignore
+++ b/arch/parisc/boot/compressed/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 firmware.c
 real2.S
 sizes.h
diff --git a/arch/parisc/kernel/.gitignore b/arch/parisc/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/parisc/kernel/.gitignore
+++ b/arch/parisc/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore
index 6610665fcf5e..1eee61b82341 100644
--- a/arch/powerpc/boot/.gitignore
+++ b/arch/powerpc/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 addnote
 decompress_inflate.c
 empty.c
diff --git a/arch/powerpc/kernel/.gitignore b/arch/powerpc/kernel/.gitignore
index 67ebd3003c05..d71179d3ffe9 100644
--- a/arch/powerpc/kernel/.gitignore
+++ b/arch/powerpc/kernel/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 prom_init_check
 vmlinux.lds
diff --git a/arch/powerpc/kernel/vdso32/.gitignore b/arch/powerpc/kernel/vdso32/.gitignore
index fea5809857a5..824b863ec6bd 100644
--- a/arch/powerpc/kernel/vdso32/.gitignore
+++ b/arch/powerpc/kernel/vdso32/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso32.lds
 vdso32.so.dbg
diff --git a/arch/powerpc/kernel/vdso64/.gitignore b/arch/powerpc/kernel/vdso64/.gitignore
index 77a0b423642c..84151a7ba31d 100644
--- a/arch/powerpc/kernel/vdso64/.gitignore
+++ b/arch/powerpc/kernel/vdso64/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso64.lds
 vdso64.so.dbg
diff --git a/arch/powerpc/platforms/cell/spufs/.gitignore b/arch/powerpc/platforms/cell/spufs/.gitignore
index a09ee8d84d6c..5f3eb224f653 100644
--- a/arch/powerpc/platforms/cell/spufs/.gitignore
+++ b/arch/powerpc/platforms/cell/spufs/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 spu_save_dump.h
 spu_restore_dump.h
diff --git a/arch/powerpc/purgatory/.gitignore b/arch/powerpc/purgatory/.gitignore
index e9e66f178a6d..b8dc6ff34254 100644
--- a/arch/powerpc/purgatory/.gitignore
+++ b/arch/powerpc/purgatory/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 kexec-purgatory.c
 purgatory.ro
diff --git a/arch/riscv/boot/.gitignore b/arch/riscv/boot/.gitignore
index 8a45a37d2af4..574c10f8ff68 100644
--- a/arch/riscv/boot/.gitignore
+++ b/arch/riscv/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 Image
 Image.gz
 loader
diff --git a/arch/riscv/kernel/.gitignore b/arch/riscv/kernel/.gitignore
index b51634f6a7cd..e052ed331cc1 100644
--- a/arch/riscv/kernel/.gitignore
+++ b/arch/riscv/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /vmlinux.lds
diff --git a/arch/riscv/kernel/vdso/.gitignore b/arch/riscv/kernel/vdso/.gitignore
index 97c2d69d0289..11ebee9e4c1d 100644
--- a/arch/riscv/kernel/vdso/.gitignore
+++ b/arch/riscv/kernel/vdso/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
 *.tmp
diff --git a/arch/s390/boot/.gitignore b/arch/s390/boot/.gitignore
index 16ff906e4610..b265bfede188 100644
--- a/arch/s390/boot/.gitignore
+++ b/arch/s390/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 image
 bzImage
 section_cmp.*
diff --git a/arch/s390/boot/compressed/.gitignore b/arch/s390/boot/compressed/.gitignore
index e72fcd7ecebb..765a08f1bd77 100644
--- a/arch/s390/boot/compressed/.gitignore
+++ b/arch/s390/boot/compressed/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux
 vmlinux.lds
diff --git a/arch/s390/kernel/.gitignore b/arch/s390/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/s390/kernel/.gitignore
+++ b/arch/s390/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/s390/kernel/vdso64/.gitignore b/arch/s390/kernel/vdso64/.gitignore
index 3fd18cf9fec2..4ec80685fecc 100644
--- a/arch/s390/kernel/vdso64/.gitignore
+++ b/arch/s390/kernel/vdso64/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso64.lds
diff --git a/arch/s390/purgatory/.gitignore b/arch/s390/purgatory/.gitignore
index c82157f46b18..97ca52779457 100644
--- a/arch/s390/purgatory/.gitignore
+++ b/arch/s390/purgatory/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 purgatory
 purgatory.chk
 purgatory.lds
diff --git a/arch/s390/tools/.gitignore b/arch/s390/tools/.gitignore
index 71bd6f8eebaf..ea62f37b79ef 100644
--- a/arch/s390/tools/.gitignore
+++ b/arch/s390/tools/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gen_facilities
 gen_opcode_table
diff --git a/arch/sh/boot/.gitignore b/arch/sh/boot/.gitignore
index f50fdd9975c5..6603bbbc917d 100644
--- a/arch/sh/boot/.gitignore
+++ b/arch/sh/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 zImage
 vmlinux*
 uImage*
diff --git a/arch/sh/boot/compressed/.gitignore b/arch/sh/boot/compressed/.gitignore
index edff113f1b85..37aa53057369 100644
--- a/arch/sh/boot/compressed/.gitignore
+++ b/arch/sh/boot/compressed/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ashiftrt.S
 ashldi3.c
 ashlsi3.S
diff --git a/arch/sh/kernel/.gitignore b/arch/sh/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/sh/kernel/.gitignore
+++ b/arch/sh/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/sh/kernel/vsyscall/.gitignore b/arch/sh/kernel/vsyscall/.gitignore
index 40836ad9079c..530a3031a88d 100644
--- a/arch/sh/kernel/vsyscall/.gitignore
+++ b/arch/sh/kernel/vsyscall/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vsyscall.lds
diff --git a/arch/sparc/boot/.gitignore b/arch/sparc/boot/.gitignore
index fc6f3986c76c..f3d8569a21d1 100644
--- a/arch/sparc/boot/.gitignore
+++ b/arch/sparc/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 btfix.S
 btfixupprep
 image
diff --git a/arch/sparc/kernel/.gitignore b/arch/sparc/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/sparc/kernel/.gitignore
+++ b/arch/sparc/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/arch/sparc/vdso/.gitignore b/arch/sparc/vdso/.gitignore
index ef925b998222..8d4ebc990bf3 100644
--- a/arch/sparc/vdso/.gitignore
+++ b/arch/sparc/vdso/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
 vdso-image-*.c
 vdso2c
diff --git a/arch/sparc/vdso/vdso32/.gitignore b/arch/sparc/vdso/vdso32/.gitignore
index e45fba9d0ced..5167384843b9 100644
--- a/arch/sparc/vdso/vdso32/.gitignore
+++ b/arch/sparc/vdso/vdso32/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso32.lds
diff --git a/arch/um/.gitignore b/arch/um/.gitignore
index a73d3a1cc746..6323e5571887 100644
--- a/arch/um/.gitignore
+++ b/arch/um/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 kernel/config.c
 kernel/config.tmp
 kernel/vmlinux.lds
diff --git a/arch/unicore32/.gitignore b/arch/unicore32/.gitignore
index 947e99c2a957..e82f3fb57ba0 100644
--- a/arch/unicore32/.gitignore
+++ b/arch/unicore32/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Generated include files
 #
diff --git a/arch/x86/.gitignore b/arch/x86/.gitignore
index 5a82bac5e0bc..677111acbaa3 100644
--- a/arch/x86/.gitignore
+++ b/arch/x86/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 boot/compressed/vmlinux
 tools/test_get_len
 tools/insn_sanity
diff --git a/arch/x86/boot/.gitignore b/arch/x86/boot/.gitignore
index 09d25dd09307..9cc7f1357b9b 100644
--- a/arch/x86/boot/.gitignore
+++ b/arch/x86/boot/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 bootsect
 bzImage
 cpustr.h
diff --git a/arch/x86/boot/compressed/.gitignore b/arch/x86/boot/compressed/.gitignore
index 4a46fab7162e..25805199a506 100644
--- a/arch/x86/boot/compressed/.gitignore
+++ b/arch/x86/boot/compressed/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 relocs
 vmlinux.bin.all
 vmlinux.relocs
diff --git a/arch/x86/boot/tools/.gitignore b/arch/x86/boot/tools/.gitignore
index 378eac25d311..ae91f4d0d78b 100644
--- a/arch/x86/boot/tools/.gitignore
+++ b/arch/x86/boot/tools/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 build
diff --git a/arch/x86/crypto/.gitignore b/arch/x86/crypto/.gitignore
index 30be0400a439..580c839bb177 100644
--- a/arch/x86/crypto/.gitignore
+++ b/arch/x86/crypto/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 poly1305-x86_64-cryptogams.S
diff --git a/arch/x86/entry/vdso/.gitignore b/arch/x86/entry/vdso/.gitignore
index aae8ffdd5880..37a6129d597b 100644
--- a/arch/x86/entry/vdso/.gitignore
+++ b/arch/x86/entry/vdso/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
 vdsox32.lds
 vdso32-syscall-syms.lds
diff --git a/arch/x86/entry/vdso/vdso32/.gitignore b/arch/x86/entry/vdso/vdso32/.gitignore
index e45fba9d0ced..5167384843b9 100644
--- a/arch/x86/entry/vdso/vdso32/.gitignore
+++ b/arch/x86/entry/vdso/vdso32/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso32.lds
diff --git a/arch/x86/kernel/.gitignore b/arch/x86/kernel/.gitignore
index 08f4fd731469..ef66569e7e22 100644
--- a/arch/x86/kernel/.gitignore
+++ b/arch/x86/kernel/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vsyscall.lds
 vsyscall_32.lds
 vmlinux.lds
diff --git a/arch/x86/kernel/cpu/.gitignore b/arch/x86/kernel/cpu/.gitignore
index 667df55a4399..0bca7ef7426a 100644
--- a/arch/x86/kernel/cpu/.gitignore
+++ b/arch/x86/kernel/cpu/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 capflags.c
diff --git a/arch/x86/lib/.gitignore b/arch/x86/lib/.gitignore
index 8df89f0a3fe6..8ae0f93ecbfd 100644
--- a/arch/x86/lib/.gitignore
+++ b/arch/x86/lib/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 inat-tables.c
diff --git a/arch/x86/realmode/rm/.gitignore b/arch/x86/realmode/rm/.gitignore
index b6ed3a2555cb..6c3464f46166 100644
--- a/arch/x86/realmode/rm/.gitignore
+++ b/arch/x86/realmode/rm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pasyms.h
 realmode.lds
 realmode.relocs
diff --git a/arch/x86/tools/.gitignore b/arch/x86/tools/.gitignore
index be0ed065249b..d36dc7cf9115 100644
--- a/arch/x86/tools/.gitignore
+++ b/arch/x86/tools/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 relocs
diff --git a/arch/x86/um/vdso/.gitignore b/arch/x86/um/vdso/.gitignore
index f8b69d84238e..652e31d82582 100644
--- a/arch/x86/um/vdso/.gitignore
+++ b/arch/x86/um/vdso/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso.lds
diff --git a/arch/xtensa/boot/.gitignore b/arch/xtensa/boot/.gitignore
index 38177c7ebcab..615f1f741a03 100644
--- a/arch/xtensa/boot/.gitignore
+++ b/arch/xtensa/boot/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 uImage
 zImage.redboot
diff --git a/arch/xtensa/boot/boot-elf/.gitignore b/arch/xtensa/boot/boot-elf/.gitignore
index 5ff8fbb8561b..7473404500cc 100644
--- a/arch/xtensa/boot/boot-elf/.gitignore
+++ b/arch/xtensa/boot/boot-elf/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 boot.lds
diff --git a/arch/xtensa/boot/lib/.gitignore b/arch/xtensa/boot/lib/.gitignore
index 1629a6167755..805a8249252a 100644
--- a/arch/xtensa/boot/lib/.gitignore
+++ b/arch/xtensa/boot/lib/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 inffast.c
 inflate.c
 inftrees.c
diff --git a/arch/xtensa/kernel/.gitignore b/arch/xtensa/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/xtensa/kernel/.gitignore
+++ b/arch/xtensa/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vmlinux.lds
diff --git a/certs/.gitignore b/certs/.gitignore
index 4d58ba042b37..2a2483990686 100644
--- a/certs/.gitignore
+++ b/certs/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 x509_certificate_list
diff --git a/drivers/atm/.gitignore b/drivers/atm/.gitignore
index 19f3ffbd1d65..ddd374e91965 100644
--- a/drivers/atm/.gitignore
+++ b/drivers/atm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 fore200e_mkfirm
 fore200e_pca_fw.c
 pca200e.bin
diff --git a/drivers/crypto/vmx/.gitignore b/drivers/crypto/vmx/.gitignore
index af4a7ce4738d..7aa71d83f739 100644
--- a/drivers/crypto/vmx/.gitignore
+++ b/drivers/crypto/vmx/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 aesp8-ppc.S
 ghashp8-ppc.S
diff --git a/drivers/eisa/.gitignore b/drivers/eisa/.gitignore
index 4b335c0aedb0..7d0a2ad5abe2 100644
--- a/drivers/eisa/.gitignore
+++ b/drivers/eisa/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 devlist.h
diff --git a/drivers/gpu/drm/i915/.gitignore b/drivers/gpu/drm/i915/.gitignore
index d9a77f3b59b2..81972dce1aff 100644
--- a/drivers/gpu/drm/i915/.gitignore
+++ b/drivers/gpu/drm/i915/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.hdrtest
diff --git a/drivers/gpu/drm/radeon/.gitignore b/drivers/gpu/drm/radeon/.gitignore
index 403eb3a5891f..9c1a94153983 100644
--- a/drivers/gpu/drm/radeon/.gitignore
+++ b/drivers/gpu/drm/radeon/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mkregtable
 *_reg_safe.h
 
diff --git a/drivers/memory/.gitignore b/drivers/memory/.gitignore
index cbca8b028437..caedc4c7d2db 100644
--- a/drivers/memory/.gitignore
+++ b/drivers/memory/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ti-emif-asm-offsets.h
diff --git a/drivers/net/wan/.gitignore b/drivers/net/wan/.gitignore
index dae3ea6bb18c..247bfbf10912 100644
--- a/drivers/net/wan/.gitignore
+++ b/drivers/net/wan/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 wanxlfw.inc
diff --git a/drivers/scsi/.gitignore b/drivers/scsi/.gitignore
index e2956741fbd1..5f65cb75f534 100644
--- a/drivers/scsi/.gitignore
+++ b/drivers/scsi/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 53c700_d.h
 scsi_devinfo_tbl.c
diff --git a/drivers/scsi/aic7xxx/.gitignore b/drivers/scsi/aic7xxx/.gitignore
index b8ee24d5748a..9aa780221718 100644
--- a/drivers/scsi/aic7xxx/.gitignore
+++ b/drivers/scsi/aic7xxx/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 aic79xx_reg.h
 aic79xx_reg_print.c
 aic79xx_seq.h
diff --git a/drivers/staging/comedi/drivers/ni_routing/tools/.gitignore b/drivers/staging/comedi/drivers/ni_routing/tools/.gitignore
index ef38008280a9..e3ebffcd900e 100644
--- a/drivers/staging/comedi/drivers/ni_routing/tools/.gitignore
+++ b/drivers/staging/comedi/drivers/ni_routing/tools/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 comedi_h.py
 *.pyc
 ni_values.py
diff --git a/drivers/staging/greybus/tools/.gitignore b/drivers/staging/greybus/tools/.gitignore
index 023654c83068..1fd364aba774 100644
--- a/drivers/staging/greybus/tools/.gitignore
+++ b/drivers/staging/greybus/tools/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 loopback_test
diff --git a/drivers/video/logo/.gitignore b/drivers/video/logo/.gitignore
index 1551a75afdbd..5311d207c0b9 100644
--- a/drivers/video/logo/.gitignore
+++ b/drivers/video/logo/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *_mono.c
 *_vga16.c
 *_clut224.c
diff --git a/drivers/zorro/.gitignore b/drivers/zorro/.gitignore
index 34f980bd8ff6..acd6ffb8d77d 100644
--- a/drivers/zorro/.gitignore
+++ b/drivers/zorro/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 devlist.h
 gen-devlist
diff --git a/fs/unicode/.gitignore b/fs/unicode/.gitignore
index 0381e2221480..9b2467e77b2d 100644
--- a/fs/unicode/.gitignore
+++ b/fs/unicode/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mkutf8data
 utf8data.h
diff --git a/kernel/.gitignore b/kernel/.gitignore
index 0a423a3ca2e1..78701ea37c97 100644
--- a/kernel/.gitignore
+++ b/kernel/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 kheaders.md5
 timeconst.h
 hz.bc
diff --git a/kernel/debug/kdb/.gitignore b/kernel/debug/kdb/.gitignore
index 396d12eda9e8..df259542a236 100644
--- a/kernel/debug/kdb/.gitignore
+++ b/kernel/debug/kdb/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gen-kdb_cmds.c
diff --git a/lib/.gitignore b/lib/.gitignore
index 9af73655a239..327cb2c7f2c9 100644
--- a/lib/.gitignore
+++ b/lib/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gen_crc32table
 gen_crc64table
 crc32table.h
diff --git a/lib/raid6/.gitignore b/lib/raid6/.gitignore
index 3de0d8921286..6be57745afd1 100644
--- a/lib/raid6/.gitignore
+++ b/lib/raid6/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mktables
 altivec*.c
 int*.c
diff --git a/net/bpfilter/.gitignore b/net/bpfilter/.gitignore
index e97084e3eea2..f34e85ee8204 100644
--- a/net/bpfilter/.gitignore
+++ b/net/bpfilter/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 bpfilter_umh
diff --git a/net/wireless/.gitignore b/net/wireless/.gitignore
index 61cbc304a3d3..1a29cd69d6cf 100644
--- a/net/wireless/.gitignore
+++ b/net/wireless/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 shipped-certs.c
 extra-certs.c
diff --git a/samples/auxdisplay/.gitignore b/samples/auxdisplay/.gitignore
index 7af222860a96..2ed744c0e741 100644
--- a/samples/auxdisplay/.gitignore
+++ b/samples/auxdisplay/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 cfag12864b-example
diff --git a/samples/bpf/.gitignore b/samples/bpf/.gitignore
index 74d31fd3c99c..23837f2ed458 100644
--- a/samples/bpf/.gitignore
+++ b/samples/bpf/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 cpustat
 fds_example
 hbm
diff --git a/samples/connector/.gitignore b/samples/connector/.gitignore
index d2b9c32accd4..d86f2ff9c947 100644
--- a/samples/connector/.gitignore
+++ b/samples/connector/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ucon
diff --git a/samples/hidraw/.gitignore b/samples/hidraw/.gitignore
index 05e51a685242..d7a6074ebcf9 100644
--- a/samples/hidraw/.gitignore
+++ b/samples/hidraw/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 hid-example
diff --git a/samples/mei/.gitignore b/samples/mei/.gitignore
index f356b81ca1ec..db5e802f041e 100644
--- a/samples/mei/.gitignore
+++ b/samples/mei/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mei-amt-version
diff --git a/samples/mic/mpssd/.gitignore b/samples/mic/mpssd/.gitignore
index 8b7c72f07c92..aa03f1eb37a0 100644
--- a/samples/mic/mpssd/.gitignore
+++ b/samples/mic/mpssd/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mpssd
diff --git a/samples/pidfd/.gitignore b/samples/pidfd/.gitignore
index be52b3ba6e4b..eea857fca736 100644
--- a/samples/pidfd/.gitignore
+++ b/samples/pidfd/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pidfd-metadata
diff --git a/samples/seccomp/.gitignore b/samples/seccomp/.gitignore
index d1e2e817d556..4a5a5b7db30b 100644
--- a/samples/seccomp/.gitignore
+++ b/samples/seccomp/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 bpf-direct
 bpf-fancy
 dropper
diff --git a/samples/timers/.gitignore b/samples/timers/.gitignore
index c5c45d7ec0df..40510c33cf08 100644
--- a/samples/timers/.gitignore
+++ b/samples/timers/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 hpet_example
diff --git a/samples/vfs/.gitignore b/samples/vfs/.gitignore
index 0806eb0be62d..8fdabf7e5373 100644
--- a/samples/vfs/.gitignore
+++ b/samples/vfs/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 test-fsmount
 test-statx
diff --git a/samples/watchdog/.gitignore b/samples/watchdog/.gitignore
index ff0ebb540333..74153b831244 100644
--- a/samples/watchdog/.gitignore
+++ b/samples/watchdog/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 watchdog-simple
diff --git a/scripts/.gitignore b/scripts/.gitignore
index 9fe29efbcb95..0d1c8e217cd7 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 bin2c
 kallsyms
 unifdef
diff --git a/scripts/basic/.gitignore b/scripts/basic/.gitignore
index a776371a3502..98ae1f509592 100644
--- a/scripts/basic/.gitignore
+++ b/scripts/basic/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 fixdep
diff --git a/scripts/dtc/.gitignore b/scripts/dtc/.gitignore
index 2e6e60d64ede..b814e6076bdb 100644
--- a/scripts/dtc/.gitignore
+++ b/scripts/dtc/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 dtc
diff --git a/scripts/gcc-plugins/.gitignore b/scripts/gcc-plugins/.gitignore
index de92ed9e3d83..b04e0f0f033e 100644
--- a/scripts/gcc-plugins/.gitignore
+++ b/scripts/gcc-plugins/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 randomize_layout_seed.h
diff --git a/scripts/gdb/linux/.gitignore b/scripts/gdb/linux/.gitignore
index 2573543842d0..43234cbcb529 100644
--- a/scripts/gdb/linux/.gitignore
+++ b/scripts/gdb/linux/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.pyc
 *.pyo
 constants.py
diff --git a/scripts/genksyms/.gitignore b/scripts/genksyms/.gitignore
index b119c7da2863..999af710f83d 100644
--- a/scripts/genksyms/.gitignore
+++ b/scripts/genksyms/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 genksyms
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index 588988711e07..12a67fdab541 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.moc
 *conf-cfg
 
diff --git a/scripts/mod/.gitignore b/scripts/mod/.gitignore
index 3bd11b603173..07e4a39f90a6 100644
--- a/scripts/mod/.gitignore
+++ b/scripts/mod/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 elfconfig.h
 mk_elfconfig
 modpost
diff --git a/scripts/selinux/genheaders/.gitignore b/scripts/selinux/genheaders/.gitignore
index 4c0b646ff8d5..5fcadd307908 100644
--- a/scripts/selinux/genheaders/.gitignore
+++ b/scripts/selinux/genheaders/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 genheaders
diff --git a/scripts/selinux/mdp/.gitignore b/scripts/selinux/mdp/.gitignore
index 0d9f827dc14b..a7482287e77f 100644
--- a/scripts/selinux/mdp/.gitignore
+++ b/scripts/selinux/mdp/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mdp
diff --git a/security/apparmor/.gitignore b/security/apparmor/.gitignore
index 0ace1d1dec44..6d1eb1c15c18 100644
--- a/security/apparmor/.gitignore
+++ b/security/apparmor/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 net_names.h
 capability_names.h
 rlim_names.h
diff --git a/security/selinux/.gitignore b/security/selinux/.gitignore
index 2e5040a3d48b..168fae13ca5a 100644
--- a/security/selinux/.gitignore
+++ b/security/selinux/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 av_permissions.h
 flask.h
diff --git a/security/tomoyo/.gitignore b/security/tomoyo/.gitignore
index dc0f220a210b..9f300cdce362 100644
--- a/security/tomoyo/.gitignore
+++ b/security/tomoyo/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 builtin-policy.h
 policy/*.conf
diff --git a/sound/oss/.gitignore b/sound/oss/.gitignore
index 8fd8fd3eff62..ac678430408b 100644
--- a/sound/oss/.gitignore
+++ b/sound/oss/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pss_boot.h
 trix_boot.h
diff --git a/tools/accounting/.gitignore b/tools/accounting/.gitignore
index 86485203c4ae..c45fb4ed4309 100644
--- a/tools/accounting/.gitignore
+++ b/tools/accounting/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 getdelays
diff --git a/tools/bootconfig/.gitignore b/tools/bootconfig/.gitignore
index e7644dfaa4a7..b77513cae685 100644
--- a/tools/bootconfig/.gitignore
+++ b/tools/bootconfig/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 bootconfig
diff --git a/tools/bpf/.gitignore b/tools/bpf/.gitignore
index 59024197e71d..cf53342175e7 100644
--- a/tools/bpf/.gitignore
+++ b/tools/bpf/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 FEATURE-DUMP.bpf
 feature
 bpf_asm
diff --git a/tools/bpf/bpftool/.gitignore b/tools/bpf/bpftool/.gitignore
index b13926432b84..5c232659a98b 100644
--- a/tools/bpf/bpftool/.gitignore
+++ b/tools/bpf/bpftool/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.d
 /bpftool
 bpftool*.8
diff --git a/tools/bpf/runqslower/.gitignore b/tools/bpf/runqslower/.gitignore
index 90a456a2a72f..ffdb70230c8b 100644
--- a/tools/bpf/runqslower/.gitignore
+++ b/tools/bpf/runqslower/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /.output
diff --git a/tools/build/.gitignore b/tools/build/.gitignore
index a776371a3502..98ae1f509592 100644
--- a/tools/build/.gitignore
+++ b/tools/build/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 fixdep
diff --git a/tools/build/feature/.gitignore b/tools/build/feature/.gitignore
index 09b335b98842..15fcd34acdb9 100644
--- a/tools/build/feature/.gitignore
+++ b/tools/build/feature/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.d
 *.bin
 *.output
diff --git a/tools/cgroup/.gitignore b/tools/cgroup/.gitignore
index 633cd9b874f9..46a82775f2ca 100644
--- a/tools/cgroup/.gitignore
+++ b/tools/cgroup/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 cgroup_event_listener
diff --git a/tools/gpio/.gitignore b/tools/gpio/.gitignore
index a94c0e83b209..d0a66c48865c 100644
--- a/tools/gpio/.gitignore
+++ b/tools/gpio/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gpio-event-mon
 gpio-hammer
 lsgpio
diff --git a/tools/iio/.gitignore b/tools/iio/.gitignore
index 3758202618bd..5bd6f4df98b7 100644
--- a/tools/iio/.gitignore
+++ b/tools/iio/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 iio_event_monitor
 iio_generic_buffer
 lsiio
diff --git a/tools/laptop/dslm/.gitignore b/tools/laptop/dslm/.gitignore
index 9fc984e64386..f7f1296b96ae 100644
--- a/tools/laptop/dslm/.gitignore
+++ b/tools/laptop/dslm/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 dslm
diff --git a/tools/leds/.gitignore b/tools/leds/.gitignore
index ac96d9f53dfc..06bd3ee1b7c9 100644
--- a/tools/leds/.gitignore
+++ b/tools/leds/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 uledmon
diff --git a/tools/lib/bpf/.gitignore b/tools/lib/bpf/.gitignore
index e97c2ebcf447..8a81b3679d2b 100644
--- a/tools/lib/bpf/.gitignore
+++ b/tools/lib/bpf/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 libbpf_version.h
 libbpf.pc
 FEATURE-DUMP.libbpf
diff --git a/tools/lib/lockdep/.gitignore b/tools/lib/lockdep/.gitignore
index cc0e7a9f99e3..6c308ac4388c 100644
--- a/tools/lib/lockdep/.gitignore
+++ b/tools/lib/lockdep/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 liblockdep.so.*
diff --git a/tools/lib/traceevent/.gitignore b/tools/lib/traceevent/.gitignore
index 9e9f25fb1922..7123c70b9ebc 100644
--- a/tools/lib/traceevent/.gitignore
+++ b/tools/lib/traceevent/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 TRACEEVENT-CFLAGS
 libtraceevent-dynamic-list
 libtraceevent.so.*
diff --git a/tools/memory-model/.gitignore b/tools/memory-model/.gitignore
index b1d34c52f3c3..cf4cd66d8fbf 100644
--- a/tools/memory-model/.gitignore
+++ b/tools/memory-model/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 litmus
diff --git a/tools/memory-model/litmus-tests/.gitignore b/tools/memory-model/litmus-tests/.gitignore
index 6e2ddc54152f..c492a1ddad91 100644
--- a/tools/memory-model/litmus-tests/.gitignore
+++ b/tools/memory-model/litmus-tests/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.litmus.out
diff --git a/tools/objtool/.gitignore b/tools/objtool/.gitignore
index 914cff12899b..45cefda24c7b 100644
--- a/tools/objtool/.gitignore
+++ b/tools/objtool/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 arch/x86/lib/inat-tables.c
 objtool
 fixdep
diff --git a/tools/pcmcia/.gitignore b/tools/pcmcia/.gitignore
index 53d081336757..94cb97b77f06 100644
--- a/tools/pcmcia/.gitignore
+++ b/tools/pcmcia/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 crc32hash
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index bf1252dc2cb0..f3f84781fd74 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 PERF-CFLAGS
 PERF-GUI-VARS
 PERF-VERSION-FILE
diff --git a/tools/perf/tests/.gitignore b/tools/perf/tests/.gitignore
index 8cc30e731c73..d053b325f728 100644
--- a/tools/perf/tests/.gitignore
+++ b/tools/perf/tests/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 llvm-src-base.c
 llvm-src-kbuild.c
 llvm-src-prologue.c
diff --git a/tools/power/acpi/.gitignore b/tools/power/acpi/.gitignore
index f698a0e5bfa6..0b319fc8bb17 100644
--- a/tools/power/acpi/.gitignore
+++ b/tools/power/acpi/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /acpidbg
 /acpidump
 /ec
diff --git a/tools/power/cpupower/.gitignore b/tools/power/cpupower/.gitignore
index 1f9977cc609c..7677329c42a6 100644
--- a/tools/power/cpupower/.gitignore
+++ b/tools/power/cpupower/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 .libs
 libcpupower.so
 libcpupower.so.*
diff --git a/tools/power/x86/intel-speed-select/.gitignore b/tools/power/x86/intel-speed-select/.gitignore
index f61145925ce9..a814f89fe75f 100644
--- a/tools/power/x86/intel-speed-select/.gitignore
+++ b/tools/power/x86/intel-speed-select/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 include/
 intel-speed-select
diff --git a/tools/power/x86/turbostat/.gitignore b/tools/power/x86/turbostat/.gitignore
index 7521370d3568..e13109b43cd1 100644
--- a/tools/power/x86/turbostat/.gitignore
+++ b/tools/power/x86/turbostat/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 turbostat
diff --git a/tools/spi/.gitignore b/tools/spi/.gitignore
index 4280576397e8..14ddba3d2195 100644
--- a/tools/spi/.gitignore
+++ b/tools/spi/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 spidev_fdx
 spidev_test
diff --git a/tools/testing/kunit/.gitignore b/tools/testing/kunit/.gitignore
index c791ff59a37a..1c63e31f7edf 100644
--- a/tools/testing/kunit/.gitignore
+++ b/tools/testing/kunit/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
\ No newline at end of file
diff --git a/tools/testing/radix-tree/.gitignore b/tools/testing/radix-tree/.gitignore
index 3834899b6693..d971516401e6 100644
--- a/tools/testing/radix-tree/.gitignore
+++ b/tools/testing/radix-tree/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 generated/map-shift.h
 idr.c
 idr-test
diff --git a/tools/testing/selftests/.gitignore b/tools/testing/selftests/.gitignore
index 61df01cdf0b2..ac0505cef4ae 100644
--- a/tools/testing/selftests/.gitignore
+++ b/tools/testing/selftests/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gpiogpio-event-mon
 gpiogpio-hammer
 gpioinclude/
diff --git a/tools/testing/selftests/android/ion/.gitignore b/tools/testing/selftests/android/ion/.gitignore
index 95e8f4561474..78eae9972bb1 100644
--- a/tools/testing/selftests/android/ion/.gitignore
+++ b/tools/testing/selftests/android/ion/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ionapp_export
 ionapp_import
 ionmap_test
diff --git a/tools/testing/selftests/arm64/signal/.gitignore b/tools/testing/selftests/arm64/signal/.gitignore
index 3c5b4e8ff894..78c902045ca7 100644
--- a/tools/testing/selftests/arm64/signal/.gitignore
+++ b/tools/testing/selftests/arm64/signal/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mangle_*
 fake_sigreturn_*
 !*.[ch]
diff --git a/tools/testing/selftests/arm64/tags/.gitignore b/tools/testing/selftests/arm64/tags/.gitignore
index e8fae8d61ed6..f4f6c5112463 100644
--- a/tools/testing/selftests/arm64/tags/.gitignore
+++ b/tools/testing/selftests/arm64/tags/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 tags_test
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index ec464859c6b6..e759d7eb1297 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 test_verifier
 test_maps
 test_lru_map
diff --git a/tools/testing/selftests/bpf/map_tests/.gitignore b/tools/testing/selftests/bpf/map_tests/.gitignore
index 45984a364647..89c4a3d37544 100644
--- a/tools/testing/selftests/bpf/map_tests/.gitignore
+++ b/tools/testing/selftests/bpf/map_tests/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 tests.h
diff --git a/tools/testing/selftests/bpf/prog_tests/.gitignore b/tools/testing/selftests/bpf/prog_tests/.gitignore
index 45984a364647..89c4a3d37544 100644
--- a/tools/testing/selftests/bpf/prog_tests/.gitignore
+++ b/tools/testing/selftests/bpf/prog_tests/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 tests.h
diff --git a/tools/testing/selftests/bpf/verifier/.gitignore b/tools/testing/selftests/bpf/verifier/.gitignore
index 45984a364647..89c4a3d37544 100644
--- a/tools/testing/selftests/bpf/verifier/.gitignore
+++ b/tools/testing/selftests/bpf/verifier/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 tests.h
diff --git a/tools/testing/selftests/breakpoints/.gitignore b/tools/testing/selftests/breakpoints/.gitignore
index a23bb4a6f06c..def2e97dab9a 100644
--- a/tools/testing/selftests/breakpoints/.gitignore
+++ b/tools/testing/selftests/breakpoints/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 breakpoint_test
 step_after_suspend_test
diff --git a/tools/testing/selftests/capabilities/.gitignore b/tools/testing/selftests/capabilities/.gitignore
index b732dd0d4738..426d9adca67c 100644
--- a/tools/testing/selftests/capabilities/.gitignore
+++ b/tools/testing/selftests/capabilities/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 test_execve
 validate_cap
diff --git a/tools/testing/selftests/cgroup/.gitignore b/tools/testing/selftests/cgroup/.gitignore
index 7f9835624793..aa6de65b0838 100644
--- a/tools/testing/selftests/cgroup/.gitignore
+++ b/tools/testing/selftests/cgroup/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 test_memcontrol
 test_core
 test_freezer
diff --git a/tools/testing/selftests/clone3/.gitignore b/tools/testing/selftests/clone3/.gitignore
index 0dc4f32c6cb8..a81085742d40 100644
--- a/tools/testing/selftests/clone3/.gitignore
+++ b/tools/testing/selftests/clone3/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 clone3
 clone3_clear_sighand
 clone3_set_tid
diff --git a/tools/testing/selftests/drivers/.gitignore b/tools/testing/selftests/drivers/.gitignore
index f6aebcc27b76..ca74f2e1c719 100644
--- a/tools/testing/selftests/drivers/.gitignore
+++ b/tools/testing/selftests/drivers/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /dma-buf/udmabuf
diff --git a/tools/testing/selftests/efivarfs/.gitignore b/tools/testing/selftests/efivarfs/.gitignore
index 33618493562b..807407f7f58b 100644
--- a/tools/testing/selftests/efivarfs/.gitignore
+++ b/tools/testing/selftests/efivarfs/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 create-read
 open-unlink
diff --git a/tools/testing/selftests/exec/.gitignore b/tools/testing/selftests/exec/.gitignore
index b02279da6fa1..c078ece12ff0 100644
--- a/tools/testing/selftests/exec/.gitignore
+++ b/tools/testing/selftests/exec/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 subdir*
 script*
 execveat
diff --git a/tools/testing/selftests/filesystems/.gitignore b/tools/testing/selftests/filesystems/.gitignore
index 8449cf6716ce..f0c0ff20d6cf 100644
--- a/tools/testing/selftests/filesystems/.gitignore
+++ b/tools/testing/selftests/filesystems/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 dnotify_test
 devpts_pts
diff --git a/tools/testing/selftests/filesystems/binderfs/.gitignore b/tools/testing/selftests/filesystems/binderfs/.gitignore
index 8a5d9bf63dd4..8e5cf9084894 100644
--- a/tools/testing/selftests/filesystems/binderfs/.gitignore
+++ b/tools/testing/selftests/filesystems/binderfs/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 binderfs_test
diff --git a/tools/testing/selftests/filesystems/epoll/.gitignore b/tools/testing/selftests/filesystems/epoll/.gitignore
index 9ae8db44ec14..9090157258b1 100644
--- a/tools/testing/selftests/filesystems/epoll/.gitignore
+++ b/tools/testing/selftests/filesystems/epoll/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 epoll_wakeup_test
diff --git a/tools/testing/selftests/ftrace/.gitignore b/tools/testing/selftests/ftrace/.gitignore
index 98d8a5a63049..2659417cb2c7 100644
--- a/tools/testing/selftests/ftrace/.gitignore
+++ b/tools/testing/selftests/ftrace/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 logs
diff --git a/tools/testing/selftests/futex/functional/.gitignore b/tools/testing/selftests/futex/functional/.gitignore
index a09f57061902..0efcd494daab 100644
--- a/tools/testing/selftests/futex/functional/.gitignore
+++ b/tools/testing/selftests/futex/functional/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 futex_requeue_pi
 futex_requeue_pi_mismatched_ops
 futex_requeue_pi_signal_restart
diff --git a/tools/testing/selftests/gpio/.gitignore b/tools/testing/selftests/gpio/.gitignore
index 7d14f743d1a4..4c69408f3e84 100644
--- a/tools/testing/selftests/gpio/.gitignore
+++ b/tools/testing/selftests/gpio/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gpio-mockup-chardev
diff --git a/tools/testing/selftests/ia64/.gitignore b/tools/testing/selftests/ia64/.gitignore
index ab806edc8732..e962fb2a08d5 100644
--- a/tools/testing/selftests/ia64/.gitignore
+++ b/tools/testing/selftests/ia64/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 aliasing-test
diff --git a/tools/testing/selftests/intel_pstate/.gitignore b/tools/testing/selftests/intel_pstate/.gitignore
index 3bfcbae5fa13..862de222a3f3 100644
--- a/tools/testing/selftests/intel_pstate/.gitignore
+++ b/tools/testing/selftests/intel_pstate/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 aperf
 msr
diff --git a/tools/testing/selftests/ipc/.gitignore b/tools/testing/selftests/ipc/.gitignore
index 9af04c9353c0..9ed280e4c704 100644
--- a/tools/testing/selftests/ipc/.gitignore
+++ b/tools/testing/selftests/ipc/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 msgque_test
 msgque
diff --git a/tools/testing/selftests/ir/.gitignore b/tools/testing/selftests/ir/.gitignore
index 070ea0c75fb8..0bbada8c1811 100644
--- a/tools/testing/selftests/ir/.gitignore
+++ b/tools/testing/selftests/ir/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ir_loopback
diff --git a/tools/testing/selftests/kcmp/.gitignore b/tools/testing/selftests/kcmp/.gitignore
index 5a9b3732b2de..38ccdfe80ef7 100644
--- a/tools/testing/selftests/kcmp/.gitignore
+++ b/tools/testing/selftests/kcmp/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 kcmp_test
 kcmp-test-file
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index 30072c3f52fb..2f85dc944fbd 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /s390x/sync_regs_test
 /s390x/memop
 /x86_64/cr4_cpuid_sync_test
diff --git a/tools/testing/selftests/media_tests/.gitignore b/tools/testing/selftests/media_tests/.gitignore
index 8745eba39012..da438e780ffe 100644
--- a/tools/testing/selftests/media_tests/.gitignore
+++ b/tools/testing/selftests/media_tests/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 media_device_test
 media_device_open
 video_device_test
diff --git a/tools/testing/selftests/membarrier/.gitignore b/tools/testing/selftests/membarrier/.gitignore
index f2f7ec0a99b4..f2fbba178601 100644
--- a/tools/testing/selftests/membarrier/.gitignore
+++ b/tools/testing/selftests/membarrier/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 membarrier_test_multi_thread
 membarrier_test_single_thread
diff --git a/tools/testing/selftests/memfd/.gitignore b/tools/testing/selftests/memfd/.gitignore
index afe87c40ac80..dd9a051f608e 100644
--- a/tools/testing/selftests/memfd/.gitignore
+++ b/tools/testing/selftests/memfd/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 fuse_mnt
 fuse_test
 memfd_test
diff --git a/tools/testing/selftests/mount/.gitignore b/tools/testing/selftests/mount/.gitignore
index 856ad4107eb3..0bc64a6d4c18 100644
--- a/tools/testing/selftests/mount/.gitignore
+++ b/tools/testing/selftests/mount/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 unprivileged-remount-test
diff --git a/tools/testing/selftests/mqueue/.gitignore b/tools/testing/selftests/mqueue/.gitignore
index d8d42377205a..72ad8ca691c9 100644
--- a/tools/testing/selftests/mqueue/.gitignore
+++ b/tools/testing/selftests/mqueue/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mq_open_tests
 mq_perf_tests
diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore
index ecc52d4c034d..08ad1a7109e2 100644
--- a/tools/testing/selftests/net/.gitignore
+++ b/tools/testing/selftests/net/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 msg_zerocopy
 socket
 psock_fanout
diff --git a/tools/testing/selftests/net/forwarding/.gitignore b/tools/testing/selftests/net/forwarding/.gitignore
index a793eef5b876..2dea317f12e7 100644
--- a/tools/testing/selftests/net/forwarding/.gitignore
+++ b/tools/testing/selftests/net/forwarding/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 forwarding.config
diff --git a/tools/testing/selftests/net/mptcp/.gitignore b/tools/testing/selftests/net/mptcp/.gitignore
index d72f07642738..beea6541fb21 100644
--- a/tools/testing/selftests/net/mptcp/.gitignore
+++ b/tools/testing/selftests/net/mptcp/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 mptcp_connect
 *.pcap
diff --git a/tools/testing/selftests/networking/timestamping/.gitignore b/tools/testing/selftests/networking/timestamping/.gitignore
index d9355035e746..f4f031db8bbf 100644
--- a/tools/testing/selftests/networking/timestamping/.gitignore
+++ b/tools/testing/selftests/networking/timestamping/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 timestamping
 rxtimestamp
 txtimestamp
diff --git a/tools/testing/selftests/nsfs/.gitignore b/tools/testing/selftests/nsfs/.gitignore
index 2ab2c824ce86..ed79ebdf286e 100644
--- a/tools/testing/selftests/nsfs/.gitignore
+++ b/tools/testing/selftests/nsfs/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 owner
 pidns
diff --git a/tools/testing/selftests/openat2/.gitignore b/tools/testing/selftests/openat2/.gitignore
index bd68f6c3fd07..82a4846cbc4b 100644
--- a/tools/testing/selftests/openat2/.gitignore
+++ b/tools/testing/selftests/openat2/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /*_test
diff --git a/tools/testing/selftests/pidfd/.gitignore b/tools/testing/selftests/pidfd/.gitignore
index 3a779c084d96..7fff87984006 100644
--- a/tools/testing/selftests/pidfd/.gitignore
+++ b/tools/testing/selftests/pidfd/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 pidfd_open_test
 pidfd_poll_test
 pidfd_test
diff --git a/tools/testing/selftests/powerpc/alignment/.gitignore b/tools/testing/selftests/powerpc/alignment/.gitignore
index 6d4fd014511c..28bc6ca13cc6 100644
--- a/tools/testing/selftests/powerpc/alignment/.gitignore
+++ b/tools/testing/selftests/powerpc/alignment/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 copy_first_unaligned
 alignment_handler
diff --git a/tools/testing/selftests/powerpc/benchmarks/.gitignore b/tools/testing/selftests/powerpc/benchmarks/.gitignore
index 9161679b1e1a..c9ce13983c99 100644
--- a/tools/testing/selftests/powerpc/benchmarks/.gitignore
+++ b/tools/testing/selftests/powerpc/benchmarks/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gettimeofday
 context_switch
 fork
diff --git a/tools/testing/selftests/powerpc/cache_shape/.gitignore b/tools/testing/selftests/powerpc/cache_shape/.gitignore
index ec1848434be5..b385eee3012c 100644
--- a/tools/testing/selftests/powerpc/cache_shape/.gitignore
+++ b/tools/testing/selftests/powerpc/cache_shape/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 cache_shape
diff --git a/tools/testing/selftests/powerpc/copyloops/.gitignore b/tools/testing/selftests/powerpc/copyloops/.gitignore
index 12ef5b031974..ddaf140b8255 100644
--- a/tools/testing/selftests/powerpc/copyloops/.gitignore
+++ b/tools/testing/selftests/powerpc/copyloops/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 copyuser_64_t0
 copyuser_64_t1
 copyuser_64_t2
diff --git a/tools/testing/selftests/powerpc/dscr/.gitignore b/tools/testing/selftests/powerpc/dscr/.gitignore
index b585c6c1564a..1d08b15af697 100644
--- a/tools/testing/selftests/powerpc/dscr/.gitignore
+++ b/tools/testing/selftests/powerpc/dscr/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 dscr_default_test
 dscr_explicit_test
 dscr_inherit_exec_test
diff --git a/tools/testing/selftests/powerpc/math/.gitignore b/tools/testing/selftests/powerpc/math/.gitignore
index 50ded63e25b7..e31ca6f453ed 100644
--- a/tools/testing/selftests/powerpc/math/.gitignore
+++ b/tools/testing/selftests/powerpc/math/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 fpu_syscall
 vmx_syscall
 fpu_preempt
diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore
index 0ebeaea22641..7cf7ad261d02 100644
--- a/tools/testing/selftests/powerpc/mm/.gitignore
+++ b/tools/testing/selftests/powerpc/mm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 hugetlb_vs_thp_test
 subpage_prot
 tempfile
diff --git a/tools/testing/selftests/powerpc/pmu/.gitignore b/tools/testing/selftests/powerpc/pmu/.gitignore
index e748f336eed3..ff7896903d7b 100644
--- a/tools/testing/selftests/powerpc/pmu/.gitignore
+++ b/tools/testing/selftests/powerpc/pmu/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 count_instructions
 l3_bank_test
 per_event_excludes
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/.gitignore b/tools/testing/selftests/powerpc/pmu/ebb/.gitignore
index 42bddbed8b64..2920fb39439b 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/.gitignore
+++ b/tools/testing/selftests/powerpc/pmu/ebb/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 reg_access_test
 event_attributes_test
 cycles_test
diff --git a/tools/testing/selftests/powerpc/primitives/.gitignore b/tools/testing/selftests/powerpc/primitives/.gitignore
index 4cc4e31bed1d..1e5c04e24254 100644
--- a/tools/testing/selftests/powerpc/primitives/.gitignore
+++ b/tools/testing/selftests/powerpc/primitives/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 load_unaligned_zeropad
diff --git a/tools/testing/selftests/powerpc/ptrace/.gitignore b/tools/testing/selftests/powerpc/ptrace/.gitignore
index dce19f221c46..0e96150b7c7e 100644
--- a/tools/testing/selftests/powerpc/ptrace/.gitignore
+++ b/tools/testing/selftests/powerpc/ptrace/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ptrace-gpr
 ptrace-tm-gpr
 ptrace-tm-spd-gpr
diff --git a/tools/testing/selftests/powerpc/security/.gitignore b/tools/testing/selftests/powerpc/security/.gitignore
index 0b969fba3beb..f795e06f5ae3 100644
--- a/tools/testing/selftests/powerpc/security/.gitignore
+++ b/tools/testing/selftests/powerpc/security/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 rfi_flush
diff --git a/tools/testing/selftests/powerpc/signal/.gitignore b/tools/testing/selftests/powerpc/signal/.gitignore
index dca5852a1546..f897b55a44dd 100644
--- a/tools/testing/selftests/powerpc/signal/.gitignore
+++ b/tools/testing/selftests/powerpc/signal/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 signal
 signal_tm
 sigfuz
diff --git a/tools/testing/selftests/powerpc/stringloops/.gitignore b/tools/testing/selftests/powerpc/stringloops/.gitignore
index 31a17e0ba884..b0dfc74aa57e 100644
--- a/tools/testing/selftests/powerpc/stringloops/.gitignore
+++ b/tools/testing/selftests/powerpc/stringloops/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 memcmp_64
 memcmp_32
 strlen
diff --git a/tools/testing/selftests/powerpc/switch_endian/.gitignore b/tools/testing/selftests/powerpc/switch_endian/.gitignore
index 89e762eab676..30e962cf84d1 100644
--- a/tools/testing/selftests/powerpc/switch_endian/.gitignore
+++ b/tools/testing/selftests/powerpc/switch_endian/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 switch_endian_test
 check-reversed.S
diff --git a/tools/testing/selftests/powerpc/syscalls/.gitignore b/tools/testing/selftests/powerpc/syscalls/.gitignore
index f0f3fcc9d802..b00cab225476 100644
--- a/tools/testing/selftests/powerpc/syscalls/.gitignore
+++ b/tools/testing/selftests/powerpc/syscalls/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ipc_unmuxed
diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore
index 98f2708d86cc..7baf2a46002f 100644
--- a/tools/testing/selftests/powerpc/tm/.gitignore
+++ b/tools/testing/selftests/powerpc/tm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 tm-resched-dscr
 tm-syscall
 tm-signal-msr-resv
diff --git a/tools/testing/selftests/powerpc/vphn/.gitignore b/tools/testing/selftests/powerpc/vphn/.gitignore
index 7c04395010cb..b744aedfd1f2 100644
--- a/tools/testing/selftests/powerpc/vphn/.gitignore
+++ b/tools/testing/selftests/powerpc/vphn/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 test-vphn
diff --git a/tools/testing/selftests/prctl/.gitignore b/tools/testing/selftests/prctl/.gitignore
index 0b5c27447bf6..91af2b631bc9 100644
--- a/tools/testing/selftests/prctl/.gitignore
+++ b/tools/testing/selftests/prctl/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 disable-tsc-ctxt-sw-stress-test
 disable-tsc-on-off-stress-test
 disable-tsc-test
diff --git a/tools/testing/selftests/proc/.gitignore b/tools/testing/selftests/proc/.gitignore
index 66fab4c58ed4..4bca5a9327a4 100644
--- a/tools/testing/selftests/proc/.gitignore
+++ b/tools/testing/selftests/proc/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /fd-001-lookup
 /fd-002-posix-eq
 /fd-003-kthread
diff --git a/tools/testing/selftests/pstore/.gitignore b/tools/testing/selftests/pstore/.gitignore
index 5a4a26e5464b..9938fb406389 100644
--- a/tools/testing/selftests/pstore/.gitignore
+++ b/tools/testing/selftests/pstore/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 logs
 *uuid
diff --git a/tools/testing/selftests/ptp/.gitignore b/tools/testing/selftests/ptp/.gitignore
index f562e49d6917..534ca26eee48 100644
--- a/tools/testing/selftests/ptp/.gitignore
+++ b/tools/testing/selftests/ptp/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 testptp
diff --git a/tools/testing/selftests/ptrace/.gitignore b/tools/testing/selftests/ptrace/.gitignore
index cfcc49a7def7..7bebf9534a86 100644
--- a/tools/testing/selftests/ptrace/.gitignore
+++ b/tools/testing/selftests/ptrace/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 get_syscall_info
 peeksiginfo
diff --git a/tools/testing/selftests/rcutorture/.gitignore b/tools/testing/selftests/rcutorture/.gitignore
index ccc240275d1c..f6cbce77460b 100644
--- a/tools/testing/selftests/rcutorture/.gitignore
+++ b/tools/testing/selftests/rcutorture/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 initrd
 b[0-9]*
 res
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore
index 712a3d41a325..24e27957efcc 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 srcu.c
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/.gitignore b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/.gitignore
index 1d016e66980a..57d296341304 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/.gitignore
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 srcu.h
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore
index f47cb2045f13..d65462d64816 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.out
diff --git a/tools/testing/selftests/rseq/.gitignore b/tools/testing/selftests/rseq/.gitignore
index cc610da7e369..5910888ebfe1 100644
--- a/tools/testing/selftests/rseq/.gitignore
+++ b/tools/testing/selftests/rseq/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 basic_percpu_ops_test
 basic_test
 basic_rseq_op_test
diff --git a/tools/testing/selftests/rtc/.gitignore b/tools/testing/selftests/rtc/.gitignore
index d0ad44f6294a..fb2d533aa575 100644
--- a/tools/testing/selftests/rtc/.gitignore
+++ b/tools/testing/selftests/rtc/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 rtctest
 setdate
diff --git a/tools/testing/selftests/safesetid/.gitignore b/tools/testing/selftests/safesetid/.gitignore
index 9c1a629bca01..25d3db172907 100644
--- a/tools/testing/selftests/safesetid/.gitignore
+++ b/tools/testing/selftests/safesetid/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 safesetid-test
diff --git a/tools/testing/selftests/seccomp/.gitignore b/tools/testing/selftests/seccomp/.gitignore
index 5af29d3a1b0a..dec678577f9c 100644
--- a/tools/testing/selftests/seccomp/.gitignore
+++ b/tools/testing/selftests/seccomp/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 seccomp_bpf
 seccomp_benchmark
diff --git a/tools/testing/selftests/sigaltstack/.gitignore b/tools/testing/selftests/sigaltstack/.gitignore
index 35897b0a3f44..50a19a8888ce 100644
--- a/tools/testing/selftests/sigaltstack/.gitignore
+++ b/tools/testing/selftests/sigaltstack/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 sas
diff --git a/tools/testing/selftests/size/.gitignore b/tools/testing/selftests/size/.gitignore
index 189b7818de34..923e18eed1a0 100644
--- a/tools/testing/selftests/size/.gitignore
+++ b/tools/testing/selftests/size/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 get_size
diff --git a/tools/testing/selftests/sparc64/drivers/.gitignore b/tools/testing/selftests/sparc64/drivers/.gitignore
index 90e835ed74e6..0331f77373b5 100644
--- a/tools/testing/selftests/sparc64/drivers/.gitignore
+++ b/tools/testing/selftests/sparc64/drivers/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 adi-test
diff --git a/tools/testing/selftests/splice/.gitignore b/tools/testing/selftests/splice/.gitignore
index 1e23fefd68e8..d5a2da428752 100644
--- a/tools/testing/selftests/splice/.gitignore
+++ b/tools/testing/selftests/splice/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 default_file_splice_read
diff --git a/tools/testing/selftests/sync/.gitignore b/tools/testing/selftests/sync/.gitignore
index f5091e7792f2..f1152357712f 100644
--- a/tools/testing/selftests/sync/.gitignore
+++ b/tools/testing/selftests/sync/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 sync_test
diff --git a/tools/testing/selftests/tc-testing/.gitignore b/tools/testing/selftests/tc-testing/.gitignore
index c26d72e0166f..d52f65de23b4 100644
--- a/tools/testing/selftests/tc-testing/.gitignore
+++ b/tools/testing/selftests/tc-testing/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 __pycache__/
 *.pyc
 plugins/
diff --git a/tools/testing/selftests/timens/.gitignore b/tools/testing/selftests/timens/.gitignore
index 789f21e81028..2e43851b47c1 100644
--- a/tools/testing/selftests/timens/.gitignore
+++ b/tools/testing/selftests/timens/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 clock_nanosleep
 exec
 gettime_perf
diff --git a/tools/testing/selftests/timers/.gitignore b/tools/testing/selftests/timers/.gitignore
index 32a9eadb2d4e..bb5326ff900b 100644
--- a/tools/testing/selftests/timers/.gitignore
+++ b/tools/testing/selftests/timers/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 alarmtimer-suspend
 change_skew
 clocksource-switch
diff --git a/tools/testing/selftests/tmpfs/.gitignore b/tools/testing/selftests/tmpfs/.gitignore
index a96838fad74d..b1afaa925905 100644
--- a/tools/testing/selftests/tmpfs/.gitignore
+++ b/tools/testing/selftests/tmpfs/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /bug-link-o-tmpfile
diff --git a/tools/testing/selftests/vDSO/.gitignore b/tools/testing/selftests/vDSO/.gitignore
index 133bf9ee986c..382cfb39a1a3 100644
--- a/tools/testing/selftests/vDSO/.gitignore
+++ b/tools/testing/selftests/vDSO/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 vdso_test
 vdso_standalone_test_x86
diff --git a/tools/testing/selftests/vm/.gitignore b/tools/testing/selftests/vm/.gitignore
index 31b3c98b6d34..876c48d7f41d 100644
--- a/tools/testing/selftests/vm/.gitignore
+++ b/tools/testing/selftests/vm/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 hugepage-mmap
 hugepage-shm
 map_hugetlb
diff --git a/tools/testing/selftests/watchdog/.gitignore b/tools/testing/selftests/watchdog/.gitignore
index 5aac51575c7e..61d7b89cdbca 100644
--- a/tools/testing/selftests/watchdog/.gitignore
+++ b/tools/testing/selftests/watchdog/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 watchdog-test
diff --git a/tools/testing/selftests/wireguard/qemu/.gitignore b/tools/testing/selftests/wireguard/qemu/.gitignore
index 415b542a9d59..bfa15e6feb2f 100644
--- a/tools/testing/selftests/wireguard/qemu/.gitignore
+++ b/tools/testing/selftests/wireguard/qemu/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 build/
 distfiles/
diff --git a/tools/testing/selftests/x86/.gitignore b/tools/testing/selftests/x86/.gitignore
index 7757f73ff9a3..022a1f3b64ef 100644
--- a/tools/testing/selftests/x86/.gitignore
+++ b/tools/testing/selftests/x86/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *_32
 *_64
 single_step_syscall
diff --git a/tools/testing/vsock/.gitignore b/tools/testing/vsock/.gitignore
index 7f7a2ccc30c4..87ca2731cff9 100644
--- a/tools/testing/vsock/.gitignore
+++ b/tools/testing/vsock/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.d
 vsock_test
 vsock_diag_test
diff --git a/tools/thermal/tmon/.gitignore b/tools/thermal/tmon/.gitignore
index 06e96be65276..d9e97a0308f5 100644
--- a/tools/thermal/tmon/.gitignore
+++ b/tools/thermal/tmon/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /tmon
diff --git a/tools/usb/.gitignore b/tools/usb/.gitignore
index 1b7448981435..fce1ef5a9267 100644
--- a/tools/usb/.gitignore
+++ b/tools/usb/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 ffs-test
 testusb
diff --git a/tools/usb/usbip/.gitignore b/tools/usb/usbip/.gitignore
index 03b892c8bd8c..597361a96dbb 100644
--- a/tools/usb/usbip/.gitignore
+++ b/tools/usb/usbip/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 Makefile
 Makefile.in
 aclocal.m4
diff --git a/tools/virtio/.gitignore b/tools/virtio/.gitignore
index 1cfbb0157a46..075588c4da08 100644
--- a/tools/virtio/.gitignore
+++ b/tools/virtio/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *.d
 virtio_test
 vringh_test
diff --git a/tools/vm/.gitignore b/tools/vm/.gitignore
index 44f095fa2604..79bb92ae1bb3 100644
--- a/tools/vm/.gitignore
+++ b/tools/vm/.gitignore
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 slabinfo
 page-types
diff --git a/usr/.gitignore b/usr/.gitignore
index 610de736b75e..935442ed1eb2 100644
--- a/usr/.gitignore
+++ b/usr/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 gen_init_cpio
 initramfs_data.cpio
 /initramfs_inc_data
diff --git a/usr/include/.gitignore b/usr/include/.gitignore
index a0991ff4402b..d2fab782cb7d 100644
--- a/usr/include/.gitignore
+++ b/usr/include/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 *
 !.gitignore
 !Makefile
-- 
2.17.1


  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03 13:35 [PATCH 1/2] .gitignore: remove too obvious comments Masahiro Yamada
2020-03-03 13:35 ` Masahiro Yamada [this message]
2020-03-25 10:10   ` [PATCH 2/2] .gitignore: add SPDX License Identifier Masahiro Yamada
2020-03-25 10:18     ` Greg Kroah-Hartman
2020-03-25 10:21       ` Masahiro Yamada
2020-03-25 10:35         ` Greg Kroah-Hartman

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