[PATCH v2] treewide: Add SPDX license identifier - Kbuild

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

      GPL-2.0

Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
v2: fix up typo in Reported-by line

 arch/alpha/include/uapi/asm/Kbuild                  | 1 +
 arch/arc/Kbuild                                     | 1 +
 arch/arc/include/uapi/asm/Kbuild                    | 1 +
 arch/arm/include/asm/Kbuild                         | 1 +
 arch/arm64/include/asm/Kbuild                       | 1 +
 arch/c6x/include/asm/Kbuild                         | 1 +
 arch/c6x/include/uapi/asm/Kbuild                    | 1 +
 arch/csky/include/asm/Kbuild                        | 1 +
 arch/csky/include/uapi/asm/Kbuild                   | 1 +
 arch/h8300/include/asm/Kbuild                       | 1 +
 arch/h8300/include/uapi/asm/Kbuild                  | 1 +
 arch/hexagon/include/uapi/asm/Kbuild                | 1 +
 arch/ia64/include/asm/Kbuild                        | 1 +
 arch/ia64/include/uapi/asm/Kbuild                   | 1 +
 arch/m68k/include/asm/Kbuild                        | 1 +
 arch/m68k/include/uapi/asm/Kbuild                   | 1 +
 arch/microblaze/include/asm/Kbuild                  | 1 +
 arch/microblaze/include/uapi/asm/Kbuild             | 1 +
 arch/mips/Kbuild                                    | 1 +
 arch/mips/Kbuild.platforms                          | 1 +
 arch/mips/include/asm/Kbuild                        | 1 +
 arch/mips/include/uapi/asm/Kbuild                   | 1 +
 arch/nds32/include/asm/Kbuild                       | 1 +
 arch/nds32/include/uapi/asm/Kbuild                  | 1 +
 arch/nios2/include/asm/Kbuild                       | 1 +
 arch/nios2/include/uapi/asm/Kbuild                  | 1 +
 arch/openrisc/include/asm/Kbuild                    | 1 +
 arch/openrisc/include/uapi/asm/Kbuild               | 1 +
 arch/parisc/include/asm/Kbuild                      | 1 +
 arch/parisc/include/uapi/asm/Kbuild                 | 1 +
 arch/powerpc/Kbuild                                 | 1 +
 arch/powerpc/include/asm/Kbuild                     | 1 +
 arch/powerpc/include/uapi/asm/Kbuild                | 1 +
 arch/riscv/include/asm/Kbuild                       | 1 +
 arch/riscv/include/uapi/asm/Kbuild                  | 1 +
 arch/sparc/Kbuild                                   | 1 +
 arch/sparc/include/asm/Kbuild                       | 1 +
 arch/sparc/include/uapi/asm/Kbuild                  | 1 +
 arch/um/include/asm/Kbuild                          | 1 +
 arch/unicore32/include/asm/Kbuild                   | 1 +
 arch/unicore32/include/uapi/asm/Kbuild              | 1 +
 arch/x86/Kbuild                                     | 1 +
 arch/x86/include/asm/Kbuild                         | 1 +
 arch/x86/include/uapi/asm/Kbuild                    | 1 +
 arch/xtensa/include/asm/Kbuild                      | 1 +
 arch/xtensa/include/uapi/asm/Kbuild                 | 1 +
 drivers/gpu/drm/nouveau/Kbuild                      | 1 +
 drivers/gpu/drm/nouveau/dispnv04/Kbuild             | 1 +
 drivers/gpu/drm/nouveau/dispnv50/Kbuild             | 1 +
 drivers/gpu/drm/nouveau/nvif/Kbuild                 | 1 +
 drivers/gpu/drm/nouveau/nvkm/Kbuild                 | 1 +
 drivers/gpu/drm/nouveau/nvkm/core/Kbuild            | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/Kbuild          | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/bsp/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/ce/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/cipher/Kbuild   | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/device/Kbuild   | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/dma/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/mpeg/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/mspdec/Kbuild   | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/msppp/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/msvld/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/nvenc/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/pm/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/sec/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/sec2/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/vic/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/vp/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild          | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/Kbuild          | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/bios/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/bus/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/clk/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/Kbuild  | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/gpio/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild     | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/Kbuild | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild  | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/ltc/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild       | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild  | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild    | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild      | 1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild     | 1 +
 drivers/infiniband/ulp/srp/Kbuild                   | 1 +
 drivers/scsi/cxgbi/cxgb3i/Kbuild                    | 1 +
 drivers/scsi/cxgbi/cxgb4i/Kbuild                    | 1 +
 include/uapi/linux/Kbuild                           | 1 +
 scripts/Kbuild.include                              | 1 +
 106 files changed, 106 insertions(+)

diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild
index 7417847dc438..b97c552db3c5 100644
--- a/arch/alpha/include/uapi/asm/Kbuild
+++ b/arch/alpha/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
diff --git a/arch/arc/Kbuild b/arch/arc/Kbuild
index 082d329d3245..699d8cae9b1f 100644
--- a/arch/arc/Kbuild
+++ b/arch/arc/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += kernel/
 obj-y += mm/
diff --git a/arch/arc/include/uapi/asm/Kbuild b/arch/arc/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/arc/include/uapi/asm/Kbuild
+++ b/arch/arc/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 60de9d13181a..a8f149ab45b8 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += compat.h
 generic-y += current.h
 generic-y += early_ioremap.h
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index 1de6e05ce48b..c52e151afab0 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += bugs.h
 generic-y += delay.h
 generic-y += div64.h
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
index 2162eb32dcec..a036e05fc3c6 100644
--- a/arch/c6x/include/asm/Kbuild
+++ b/arch/c6x/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += atomic.h
 generic-y += barrier.h
 generic-y += bugs.h
diff --git a/arch/c6x/include/uapi/asm/Kbuild b/arch/c6x/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/c6x/include/uapi/asm/Kbuild
+++ b/arch/c6x/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/csky/include/asm/Kbuild b/arch/csky/include/asm/Kbuild
index c1a6c0f31150..4d4754e6bf89 100644
--- a/arch/csky/include/asm/Kbuild
+++ b/arch/csky/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += asm-offsets.h
 generic-y += bugs.h
 generic-y += compat.h
diff --git a/arch/csky/include/uapi/asm/Kbuild b/arch/csky/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/csky/include/uapi/asm/Kbuild
+++ b/arch/csky/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index 789214ac99bf..7f618190e1a9 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += asm-offsets.h
 generic-y += barrier.h
 generic-y += bugs.h
diff --git a/arch/h8300/include/uapi/asm/Kbuild b/arch/h8300/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/h8300/include/uapi/asm/Kbuild
+++ b/arch/h8300/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/hexagon/include/uapi/asm/Kbuild b/arch/hexagon/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/hexagon/include/uapi/asm/Kbuild
+++ b/arch/hexagon/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 11f191689c9e..390393667d3b 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += compat.h
 generic-y += exec.h
diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild
index 62a9522af51e..3a1341e3535a 100644
--- a/arch/ia64/include/uapi/asm/Kbuild
+++ b/arch/ia64/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_64.h
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index 0ddae4a74adb..591d53b763b7 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += barrier.h
 generic-y += compat.h
diff --git a/arch/m68k/include/uapi/asm/Kbuild b/arch/m68k/include/uapi/asm/Kbuild
index 7417847dc438..b97c552db3c5 100644
--- a/arch/m68k/include/uapi/asm/Kbuild
+++ b/arch/m68k/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 17a8d0a62038..e5c9170a07fc 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += barrier.h
 generic-y += bitops.h
diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild
index 13f59631c576..da95c5a0301f 100644
--- a/arch/microblaze/include/uapi/asm/Kbuild
+++ b/arch/microblaze/include/uapi/asm/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
 generic-y += ucontext.h
diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild
index 5cef58651db0..a8d5e4fcbe53 100644
--- a/arch/mips/Kbuild
+++ b/arch/mips/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Fail on warnings - also for files referenced in subdirs
 # -Werror can be disabled for specific files using:
 # CFLAGS_<file.o> := -Wno-error
diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
index ac7ad54f984f..0de839882106 100644
--- a/arch/mips/Kbuild.platforms
+++ b/arch/mips/Kbuild.platforms
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # All platforms listed in alphabetic order
 
 platforms += alchemy
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index a03cd4e24f37..c8b595c60910 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # MIPS headers
 generated-y += syscall_table_32_o32.h
 generated-y += syscall_table_64_n32.h
diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild
index c3798bfe0486..c21c87ecdcd0 100644
--- a/arch/mips/include/uapi/asm/Kbuild
+++ b/arch/mips/include/uapi/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_n32.h
 generated-y += unistd_n64.h
 generated-y += unistd_o32.h
diff --git a/arch/nds32/include/asm/Kbuild b/arch/nds32/include/asm/Kbuild
index f37d5004a01c..77eae62036b5 100644
--- a/arch/nds32/include/asm/Kbuild
+++ b/arch/nds32/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += asm-offsets.h
 generic-y += atomic.h
 generic-y += bitops.h
diff --git a/arch/nds32/include/uapi/asm/Kbuild b/arch/nds32/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/nds32/include/uapi/asm/Kbuild
+++ b/arch/nds32/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild
index a8ffdd007f6c..68093999bd26 100644
--- a/arch/nios2/include/asm/Kbuild
+++ b/arch/nios2/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += atomic.h
 generic-y += barrier.h
 generic-y += bitops.h
diff --git a/arch/nios2/include/uapi/asm/Kbuild b/arch/nios2/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/nios2/include/uapi/asm/Kbuild
+++ b/arch/nios2/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index 164be10062bc..e12d6c1735a0 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += barrier.h
 generic-y += bug.h
 generic-y += bugs.h
diff --git a/arch/openrisc/include/uapi/asm/Kbuild b/arch/openrisc/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/openrisc/include/uapi/asm/Kbuild
+++ b/arch/openrisc/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index 005ee8ad0446..9ceedf6393c4 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table_32.h
 generated-y += syscall_table_64.h
 generated-y += syscall_table_c32.h
diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild
index 2bd5b392277c..353b70b1998f 100644
--- a/arch/parisc/include/uapi/asm/Kbuild
+++ b/arch/parisc/include/uapi/asm/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
 generated-y += unistd_64.h
diff --git a/arch/powerpc/Kbuild b/arch/powerpc/Kbuild
index 1625a06802ca..51e6908323ad 100644
--- a/arch/powerpc/Kbuild
+++ b/arch/powerpc/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
 obj-y += kernel/
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index b9f6e72bf4e5..9a1d2fc6ceb7 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table_32.h
 generated-y += syscall_table_64.h
 generated-y += syscall_table_c32.h
diff --git a/arch/powerpc/include/uapi/asm/Kbuild b/arch/powerpc/include/uapi/asm/Kbuild
index 2bd5b392277c..353b70b1998f 100644
--- a/arch/powerpc/include/uapi/asm/Kbuild
+++ b/arch/powerpc/include/uapi/asm/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
 generated-y += unistd_64.h
diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild
index 3d019e062c6f..5ee646619cc3 100644
--- a/arch/riscv/include/asm/Kbuild
+++ b/arch/riscv/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += bugs.h
 generic-y += checksum.h
 generic-y += compat.h
diff --git a/arch/riscv/include/uapi/asm/Kbuild b/arch/riscv/include/uapi/asm/Kbuild
index e69de29bb2d1..f66554cd5c45 100644
--- a/arch/riscv/include/uapi/asm/Kbuild
+++ b/arch/riscv/include/uapi/asm/Kbuild
@@ -0,0 +1 @@
+# SPDX-License-Identifier: GPL-2.0
diff --git a/arch/sparc/Kbuild b/arch/sparc/Kbuild
index b4d0f570cc00..c9e574906a9b 100644
--- a/arch/sparc/Kbuild
+++ b/arch/sparc/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # core part of the sparc kernel
 #
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 95c44380b1d6..b6212164847b 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # User exported sparc header files
 
 generated-y += syscall_table_32.h
diff --git a/arch/sparc/include/uapi/asm/Kbuild b/arch/sparc/include/uapi/asm/Kbuild
index 2bd5b392277c..353b70b1998f 100644
--- a/arch/sparc/include/uapi/asm/Kbuild
+++ b/arch/sparc/include/uapi/asm/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
 generated-y += unistd_64.h
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index b506ad06aefc..b352ed09260e 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += barrier.h
 generic-y += bpf_perf_event.h
 generic-y += bug.h
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index 5fe2426bb7a5..98aa125a8f06 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += atomic.h
 generic-y += bugs.h
 generic-y += compat.h
diff --git a/arch/unicore32/include/uapi/asm/Kbuild b/arch/unicore32/include/uapi/asm/Kbuild
index 1c72f04ff75d..e78470141932 100644
--- a/arch/unicore32/include/uapi/asm/Kbuild
+++ b/arch/unicore32/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += ucontext.h
diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild
index c625f57472f7..30dec019756b 100644
--- a/arch/x86/Kbuild
+++ b/arch/x86/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += entry/
 
 obj-$(CONFIG_PERF_EVENTS) += events/
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index eebd05942e6c..8b52bc5ddf69 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 
 generated-y += syscalls_32.h
diff --git a/arch/x86/include/uapi/asm/Kbuild b/arch/x86/include/uapi/asm/Kbuild
index 59b5ad310f78..39606a856d3b 100644
--- a/arch/x86/include/uapi/asm/Kbuild
+++ b/arch/x86/include/uapi/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
 generated-y += unistd_64.h
 generated-y += unistd_x32.h
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index f1686d919178..ffa0cf7f66c3 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += bug.h
 generic-y += compat.h
diff --git a/arch/xtensa/include/uapi/asm/Kbuild b/arch/xtensa/include/uapi/asm/Kbuild
index 7417847dc438..b97c552db3c5 100644
--- a/arch/xtensa/include/uapi/asm/Kbuild
+++ b/arch/xtensa/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_32.h
diff --git a/drivers/gpu/drm/nouveau/Kbuild b/drivers/gpu/drm/nouveau/Kbuild
index 378c5dd692b0..b0f53f4f71bf 100644
--- a/drivers/gpu/drm/nouveau/Kbuild
+++ b/drivers/gpu/drm/nouveau/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y += -I $(srctree)/$(src)/include
 ccflags-y += -I $(srctree)/$(src)/include/nvkm
 ccflags-y += -I $(srctree)/$(src)/nvkm
diff --git a/drivers/gpu/drm/nouveau/dispnv04/Kbuild b/drivers/gpu/drm/nouveau/dispnv04/Kbuild
index 424a489d0f03..65a3990b4e16 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/Kbuild
+++ b/drivers/gpu/drm/nouveau/dispnv04/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nouveau-y += dispnv04/arb.o
 nouveau-y += dispnv04/crtc.o
 nouveau-y += dispnv04/cursor.o
diff --git a/drivers/gpu/drm/nouveau/dispnv50/Kbuild b/drivers/gpu/drm/nouveau/dispnv50/Kbuild
index 3d074aa31173..475c630308d1 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/Kbuild
+++ b/drivers/gpu/drm/nouveau/dispnv50/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nouveau-y += dispnv50/disp.o
 nouveau-y += dispnv50/lut.o
 
diff --git a/drivers/gpu/drm/nouveau/nvif/Kbuild b/drivers/gpu/drm/nouveau/nvif/Kbuild
index 42e8c85caa33..7eebd7d18b6d 100644
--- a/drivers/gpu/drm/nouveau/nvif/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvif/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvif-y := nvif/object.o
 nvif-y += nvif/client.o
 nvif-y += nvif/device.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/Kbuild
index e664378f6eda..a8ec75cf02dc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include $(src)/nvkm/core/Kbuild
 include $(src)/nvkm/falcon/Kbuild
 include $(src)/nvkm/subdev/Kbuild
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/Kbuild b/drivers/gpu/drm/nouveau/nvkm/core/Kbuild
index 86a31a8e1e51..01de22144259 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/core/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y := nvkm/core/client.o
 nvkm-y += nvkm/core/engine.o
 nvkm-y += nvkm/core/enum.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
index 78571e8b01c5..5a43bcfb3622 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/falcon.o
 nvkm-y += nvkm/engine/xtensa.o
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/bsp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/bsp/Kbuild
index 5ac9f9e1a283..ad1bcfa6fc6c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/bsp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/bsp/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/bsp/g84.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/ce/Kbuild
index 9211663239af..157a70721629 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/ce/gt215.o
 nvkm-y += nvkm/engine/ce/gf100.o
 nvkm-y += nvkm/engine/ce/gk104.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/cipher/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/Kbuild
index fa39945327ce..95708b59496c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/cipher/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/cipher/g84.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/device/Kbuild
index 09032ba36000..206163da52e1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/device/acpi.o
 nvkm-y += nvkm/engine/device/base.o
 nvkm-y += nvkm/engine/device/ctrl.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
index 2c28a5e747cc..dbfda73cfea6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/disp/base.o
 nvkm-y += nvkm/engine/disp/nv04.o
 nvkm-y += nvkm/engine/disp/nv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/dma/Kbuild
index e96d1f57f9f9..3e2680cbe370 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/dma/base.o
 nvkm-y += nvkm/engine/dma/nv04.o
 nvkm-y += nvkm/engine/dma/nv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
index 05aada541ea5..1f0eddacc9b7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/fifo/base.o
 nvkm-y += nvkm/engine/fifo/nv04.o
 nvkm-y += nvkm/engine/fifo/nv10.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
index 93e3733f54e2..50bd9830694f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/gr/base.o
 nvkm-y += nvkm/engine/gr/nv04.o
 nvkm-y += nvkm/engine/gr/nv10.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/Kbuild
index 61b7b5f98f3c..651270137268 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/mpeg/nv31.o
 nvkm-y += nvkm/engine/mpeg/nv40.o
 nvkm-y += nvkm/engine/mpeg/nv44.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild
index b5119564f608..b808d9e9c964 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/msenc/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 #nvkm-y += nvkm/engine/msenc/base.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/Kbuild
index 1a7151146e9d..df50010e5f2c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/mspdec/base.o
 nvkm-y += nvkm/engine/mspdec/g98.o
 nvkm-y += nvkm/engine/mspdec/gt215.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/Kbuild
index 3ea7eafb408f..322e3470b2f1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/msppp/base.o
 nvkm-y += nvkm/engine/msppp/g98.o
 nvkm-y += nvkm/engine/msppp/gt215.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/Kbuild
index 28c8ecd27b6d..beddd82f5755 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/msvld/base.o
 nvkm-y += nvkm/engine/msvld/g98.o
 nvkm-y += nvkm/engine/msvld/gt215.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/Kbuild
index 98477beb823a..29d7ddb56f0e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/nvdec/base.o
 nvkm-y += nvkm/engine/nvdec/gp102.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/Kbuild
index ad8f1820fa53..85725b11200b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 #nvkm-y += nvkm/engine/nvenc/base.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/pm/Kbuild
index 1614d385fb0c..ceb7302e292f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/pm/base.o
 nvkm-y += nvkm/engine/pm/nv40.o
 nvkm-y += nvkm/engine/pm/nv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/sec/Kbuild
index 552d40a4641f..f72ee558f8e8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/sec/g98.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/Kbuild
index d9cdea7d9353..9a2f4f669291 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/sec2/base.o
 nvkm-y += nvkm/engine/sec2/gp102.o
 nvkm-y += nvkm/engine/sec2/tu102.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild
index 1c291e6fcf96..91cf08084bc1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/sw/base.o
 nvkm-y += nvkm/engine/sw/nv04.o
 nvkm-y += nvkm/engine/sw/nv10.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/vic/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/vic/Kbuild
index ed4fb6488013..9281c82ea99c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/vic/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/vic/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 #nvkm-y += nvkm/engine/vic/base.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/vp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/vp/Kbuild
index 6b390eb92b0e..456e43fd1f6c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/vp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/vp/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/engine/vp/g84.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild b/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
index 2aa040ba39e5..8afbf0f9bc86 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/falcon/base.o
 nvkm-y += nvkm/falcon/v1.o
 nvkm-y += nvkm/falcon/msgqueue.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/Kbuild
index a339fe03d423..d8c287173f4c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include $(src)/nvkm/subdev/bar/Kbuild
 include $(src)/nvkm/subdev/bios/Kbuild
 include $(src)/nvkm/subdev/bus/Kbuild
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild
index dc300600c019..8210bf9c52a5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/bar/base.o
 nvkm-y += nvkm/subdev/bar/nv50.o
 nvkm-y += nvkm/subdev/bar/g84.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/Kbuild
index 6b4f1e06a38f..bb4759cc38a6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/bios/base.o
 nvkm-y += nvkm/subdev/bios/bit.o
 nvkm-y += nvkm/subdev/bios/boost.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/Kbuild
index 5fa9e91835c8..409137fbdddf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/bus/base.o
 nvkm-y += nvkm/subdev/bus/hwsq.o
 nvkm-y += nvkm/subdev/bus/nv04.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/Kbuild
index 87d94883f790..0a8a7072bcbc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/clk/base.o
 nvkm-y += nvkm/subdev/clk/nv04.o
 nvkm-y += nvkm/subdev/clk/nv40.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/Kbuild
index f3c388932b6f..f054c44acab2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/devinit/base.o
 nvkm-y += nvkm/subdev/devinit/nv04.o
 nvkm-y += nvkm/subdev/devinit/nv05.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild
index 42586267fc08..c9bcf3744e5c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/fault/base.o
 nvkm-y += nvkm/subdev/fault/user.o
 nvkm-y += nvkm/subdev/fault/gp100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
index 969610951263..88b1668929ba 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/fb/base.o
 nvkm-y += nvkm/subdev/fb/nv04.o
 nvkm-y += nvkm/subdev/fb/nv10.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild
index f3d4e6e131b6..9626715768c8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/fuse/base.o
 nvkm-y += nvkm/subdev/fuse/nv50.o
 nvkm-y += nvkm/subdev/fuse/gf100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/Kbuild
index e52c5e87f242..0169fc30a2f9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/gpio/base.o
 nvkm-y += nvkm/subdev/gpio/nv10.o
 nvkm-y += nvkm/subdev/gpio/nv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild
index 26fc6feb807e..fa566ea6cb95 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/gsp/gv100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
index b768e66a472b..69f341e11d70 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/i2c/base.o
 nvkm-y += nvkm/subdev/i2c/nv04.o
 nvkm-y += nvkm/subdev/i2c/nv4e.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild
index 7f5883b78efa..557530355064 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/ibus/gf100.o
 nvkm-y += nvkm/subdev/ibus/gf117.o
 nvkm-y += nvkm/subdev/ibus/gk104.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/Kbuild
index 98a4bd3e98ed..52eb0746c750 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/iccsense/base.o
 nvkm-y += nvkm/subdev/iccsense/gf100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild
index 13bb7fc0a569..e0031b5c06b1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/instmem/base.o
 nvkm-y += nvkm/subdev/instmem/nv04.o
 nvkm-y += nvkm/subdev/instmem/nv40.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/Kbuild
index 290ff1c425a9..61f655c2de0c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/ltc/base.o
 nvkm-y += nvkm/subdev/ltc/gf100.o
 nvkm-y += nvkm/subdev/ltc/gk104.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
index c64e399326b3..15da199d2fca 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/mc/base.o
 nvkm-y += nvkm/subdev/mc/nv04.o
 nvkm-y += nvkm/subdev/mc/nv11.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild
index db9c56028f21..697dc22c937c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/mmu/base.o
 nvkm-y += nvkm/subdev/mmu/nv04.o
 nvkm-y += nvkm/subdev/mmu/nv41.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild
index 1a479e050b54..7a549386e675 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/mxm/base.o
 nvkm-y += nvkm/subdev/mxm/mxms.o
 nvkm-y += nvkm/subdev/mxm/nv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
index 87bf41cef0c6..6fbd008d6f10 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/pci/agp.o
 nvkm-y += nvkm/subdev/pci/base.o
 nvkm-y += nvkm/subdev/pci/pcie.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild
index ca57c1e491b0..132ae3341d55 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/pmu/base.o
 nvkm-y += nvkm/subdev/pmu/memx.o
 nvkm-y += nvkm/subdev/pmu/gt215.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild
index ed08120eefe0..51b33799cfdb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/secboot/base.o
 nvkm-y += nvkm/subdev/secboot/hs_ucode.o
 nvkm-y += nvkm/subdev/secboot/ls_ucode_gr.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild
index 550702eab0b1..0cc1439d863b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/therm/base.o
 nvkm-y += nvkm/subdev/therm/fan.o
 nvkm-y += nvkm/subdev/therm/fannil.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild
index e436f0ffe3f4..a4aa8e621eb2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/timer/base.o
 nvkm-y += nvkm/subdev/timer/nv04.o
 nvkm-y += nvkm/subdev/timer/nv40.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild
index 1078401cdcea..e0b27242eeea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/top/base.o
 nvkm-y += nvkm/subdev/top/gk104.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild
index 146adcdd316a..e80bc64b638a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 nvkm-y += nvkm/subdev/volt/base.o
 nvkm-y += nvkm/subdev/volt/gpio.o
 nvkm-y += nvkm/subdev/volt/nv40.o
diff --git a/drivers/infiniband/ulp/srp/Kbuild b/drivers/infiniband/ulp/srp/Kbuild
index a16c73c667cb..d1f4e513b6a9 100644
--- a/drivers/infiniband/ulp/srp/Kbuild
+++ b/drivers/infiniband/ulp/srp/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_SRP)			+= ib_srp.o
diff --git a/drivers/scsi/cxgbi/cxgb3i/Kbuild b/drivers/scsi/cxgbi/cxgb3i/Kbuild
index 663c52e05d81..8d8a43f5ea80 100644
--- a/drivers/scsi/cxgbi/cxgb3i/Kbuild
+++ b/drivers/scsi/cxgbi/cxgb3i/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb3
 ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/libcxgb
 
diff --git a/drivers/scsi/cxgbi/cxgb4i/Kbuild b/drivers/scsi/cxgbi/cxgb4i/Kbuild
index 38e03c280417..fd3e0c964de6 100644
--- a/drivers/scsi/cxgbi/cxgb4i/Kbuild
+++ b/drivers/scsi/cxgbi/cxgb4i/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb4
 ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/libcxgb
 
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 059dc2bedaf6..34711c5d6968 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/a.out.h),)
 no-export-headers += a.out.h
 endif
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index e2de6c4dce90..85d758233483 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ####
 # kbuild: Generic definitions
 
-- 
2.21.0