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-rw-r--r--tools/accounting/.gitignore1
-rw-r--r--tools/bootconfig/.gitignore1
-rw-r--r--tools/bpf/.gitignore1
-rw-r--r--tools/bpf/bpftool/.gitignore1
-rw-r--r--tools/bpf/runqslower/.gitignore1
-rw-r--r--tools/build/.gitignore1
-rw-r--r--tools/build/feature/.gitignore1
-rw-r--r--tools/cgroup/.gitignore1
-rw-r--r--tools/gpio/.gitignore1
-rw-r--r--tools/iio/.gitignore1
-rw-r--r--tools/laptop/dslm/.gitignore1
-rw-r--r--tools/leds/.gitignore1
-rw-r--r--tools/lib/bpf/.gitignore1
-rw-r--r--tools/lib/lockdep/.gitignore1
-rw-r--r--tools/lib/traceevent/.gitignore1
-rw-r--r--tools/memory-model/.gitignore1
-rw-r--r--tools/memory-model/litmus-tests/.gitignore1
-rw-r--r--tools/objtool/.gitignore1
-rw-r--r--tools/pcmcia/.gitignore1
-rw-r--r--tools/perf/.gitignore1
-rw-r--r--tools/perf/tests/.gitignore1
-rw-r--r--tools/power/acpi/.gitignore1
-rw-r--r--tools/power/cpupower/.gitignore1
-rw-r--r--tools/power/x86/intel-speed-select/.gitignore1
-rw-r--r--tools/power/x86/turbostat/.gitignore1
-rw-r--r--tools/spi/.gitignore1
-rw-r--r--tools/testing/kunit/.gitignore1
-rw-r--r--tools/testing/radix-tree/.gitignore1
-rw-r--r--tools/testing/selftests/.gitignore1
-rw-r--r--tools/testing/selftests/android/ion/.gitignore1
-rw-r--r--tools/testing/selftests/arm64/signal/.gitignore1
-rw-r--r--tools/testing/selftests/arm64/tags/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/map_tests/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/prog_tests/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/verifier/.gitignore1
-rw-r--r--tools/testing/selftests/breakpoints/.gitignore1
-rw-r--r--tools/testing/selftests/capabilities/.gitignore1
-rw-r--r--tools/testing/selftests/cgroup/.gitignore1
-rw-r--r--tools/testing/selftests/clone3/.gitignore1
-rw-r--r--tools/testing/selftests/drivers/.gitignore1
-rw-r--r--tools/testing/selftests/efivarfs/.gitignore1
-rw-r--r--tools/testing/selftests/exec/.gitignore1
-rw-r--r--tools/testing/selftests/filesystems/.gitignore1
-rw-r--r--tools/testing/selftests/filesystems/binderfs/.gitignore1
-rw-r--r--tools/testing/selftests/filesystems/epoll/.gitignore1
-rw-r--r--tools/testing/selftests/ftrace/.gitignore1
-rw-r--r--tools/testing/selftests/futex/functional/.gitignore1
-rw-r--r--tools/testing/selftests/gpio/.gitignore1
-rw-r--r--tools/testing/selftests/ia64/.gitignore1
-rw-r--r--tools/testing/selftests/intel_pstate/.gitignore1
-rw-r--r--tools/testing/selftests/ipc/.gitignore1
-rw-r--r--tools/testing/selftests/ir/.gitignore1
-rw-r--r--tools/testing/selftests/kcmp/.gitignore1
-rw-r--r--tools/testing/selftests/kvm/.gitignore1
-rw-r--r--tools/testing/selftests/media_tests/.gitignore1
-rw-r--r--tools/testing/selftests/membarrier/.gitignore1
-rw-r--r--tools/testing/selftests/memfd/.gitignore1
-rw-r--r--tools/testing/selftests/mount/.gitignore1
-rw-r--r--tools/testing/selftests/mqueue/.gitignore1
-rw-r--r--tools/testing/selftests/net/.gitignore1
-rw-r--r--tools/testing/selftests/net/forwarding/.gitignore1
-rw-r--r--tools/testing/selftests/net/mptcp/.gitignore1
-rw-r--r--tools/testing/selftests/networking/timestamping/.gitignore1
-rw-r--r--tools/testing/selftests/nsfs/.gitignore1
-rw-r--r--tools/testing/selftests/openat2/.gitignore1
-rw-r--r--tools/testing/selftests/pidfd/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/alignment/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/benchmarks/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/cache_shape/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/copyloops/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/dscr/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/math/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/mm/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/pmu/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/primitives/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/ptrace/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/security/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/signal/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/stringloops/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/switch_endian/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/syscalls/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/tm/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/vphn/.gitignore1
-rw-r--r--tools/testing/selftests/prctl/.gitignore1
-rw-r--r--tools/testing/selftests/proc/.gitignore1
-rw-r--r--tools/testing/selftests/pstore/.gitignore1
-rw-r--r--tools/testing/selftests/ptp/.gitignore1
-rw-r--r--tools/testing/selftests/ptrace/.gitignore1
-rw-r--r--tools/testing/selftests/rcutorture/.gitignore1
-rw-r--r--tools/testing/selftests/rcutorture/formal/srcu-cbmc/.gitignore1
-rw-r--r--tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/.gitignore1
-rw-r--r--tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/.gitignore1
-rw-r--r--tools/testing/selftests/rseq/.gitignore1
-rw-r--r--tools/testing/selftests/rtc/.gitignore1
-rw-r--r--tools/testing/selftests/safesetid/.gitignore1
-rw-r--r--tools/testing/selftests/seccomp/.gitignore1
-rw-r--r--tools/testing/selftests/sigaltstack/.gitignore1
-rw-r--r--tools/testing/selftests/size/.gitignore1
-rw-r--r--tools/testing/selftests/sparc64/drivers/.gitignore1
-rw-r--r--tools/testing/selftests/splice/.gitignore1
-rw-r--r--tools/testing/selftests/sync/.gitignore1
-rw-r--r--tools/testing/selftests/tc-testing/.gitignore1
-rw-r--r--tools/testing/selftests/timens/.gitignore1
-rw-r--r--tools/testing/selftests/timers/.gitignore1
-rw-r--r--tools/testing/selftests/tmpfs/.gitignore1
-rw-r--r--tools/testing/selftests/vDSO/.gitignore1
-rw-r--r--tools/testing/selftests/vm/.gitignore1
-rw-r--r--tools/testing/selftests/watchdog/.gitignore1
-rw-r--r--tools/testing/selftests/wireguard/qemu/.gitignore1
-rw-r--r--tools/testing/selftests/x86/.gitignore1
-rw-r--r--tools/testing/vsock/.gitignore1
-rw-r--r--tools/thermal/tmon/.gitignore1
-rw-r--r--tools/usb/.gitignore1
-rw-r--r--tools/usb/usbip/.gitignore1
-rw-r--r--tools/virtio/.gitignore1
-rw-r--r--tools/vm/.gitignore1
118 files changed, 118 insertions, 0 deletions
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 39559d723c41..2d4db5afb142 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