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authorThomas Gleixner <tglx@linutronix.de>2019-05-19 13:08:55 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-21 10:50:45 +0200
commit457c89965399115e5cd8bf38f9c597293405703d (patch)
tree45e5dfc3418aba7f117b6830bd270ede9f565940
parenta188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff)
downloadnet-457c89965399115e5cd8bf38f9c597293405703d.tar.gz
treewide: Add SPDX license identifier for missed files
Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/arm/kernel/stacktrace.c1
-rw-r--r--arch/arm/mm/ioremap.c1
-rw-r--r--arch/arm/mm/nommu.c1
-rw-r--r--arch/arm/xen/enlighten.c1
-rw-r--r--arch/arm/xen/mm.c1
-rw-r--r--arch/arm/xen/p2m.c1
-rw-r--r--arch/ia64/kernel/esi_stub.S1
-rw-r--r--arch/ia64/kernel/mca.c1
-rw-r--r--arch/ia64/kernel/perfmon.c1
-rw-r--r--arch/ia64/kernel/sal.c1
-rw-r--r--arch/ia64/kernel/smp.c1
-rw-r--r--arch/ia64/kernel/smpboot.c1
-rw-r--r--arch/ia64/kernel/time.c1
-rw-r--r--arch/ia64/lib/flush.S1
-rw-r--r--arch/ia64/mm/tlb.c1
-rw-r--r--arch/ia64/pci/pci.c1
-rw-r--r--arch/m68k/kernel/time.c1
-rw-r--r--arch/m68k/mac/psc.c1
-rw-r--r--arch/mips/alchemy/common/usb.c1
-rw-r--r--arch/mips/alchemy/common/vss.c1
-rw-r--r--arch/mips/alchemy/devboards/bcsr.c1
-rw-r--r--arch/mips/kernel/stacktrace.c1
-rw-r--r--arch/mips/sgi-ip22/ip22-gio.c1
-rw-r--r--arch/parisc/kernel/stacktrace.c1
-rw-r--r--arch/powerpc/kernel/pci_32.c1
-rw-r--r--arch/powerpc/kernel/setup_32.c1
-rw-r--r--arch/powerpc/kernel/sysfs.c1
-rw-r--r--arch/powerpc/platforms/cell/cbe_regs.c1
-rw-r--r--arch/powerpc/platforms/cell/spu_callbacks.c1
-rw-r--r--arch/powerpc/platforms/powermac/backlight.c1
-rw-r--r--arch/powerpc/platforms/powermac/pfunc_core.c1
-rw-r--r--arch/sh/mm/init.c1
-rw-r--r--arch/sparc/kernel/helpers.S1
-rw-r--r--arch/sparc/kernel/nmi.c1
-rw-r--r--arch/sparc/kernel/of_device_common.c1
-rw-r--r--arch/sparc/kernel/pcr.c1
-rw-r--r--arch/sparc/kernel/ptrace_64.c1
-rw-r--r--arch/sparc/kernel/stacktrace.c1
-rw-r--r--arch/sparc/kernel/traps_64.c1
-rw-r--r--arch/x86/events/amd/core.c1
-rw-r--r--arch/x86/events/intel/core.c1
-rw-r--r--arch/x86/kernel/acpi/cstate.c1
-rw-r--r--arch/x86/kernel/alternative.c1
-rw-r--r--arch/x86/kernel/apic/apic.c1
-rw-r--r--arch/x86/kernel/cpu/amd.c1
-rw-r--r--arch/x86/kernel/cpu/common.c1
-rw-r--r--arch/x86/kernel/cpu/mce/core.c1
-rw-r--r--arch/x86/kernel/cpu/mce/dev-mcelog.c1
-rw-r--r--arch/x86/kernel/cpu/mce/therm_throt.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c1
-rw-r--r--arch/x86/kernel/crash.c1
-rw-r--r--arch/x86/kernel/e820.c1
-rw-r--r--arch/x86/kernel/fpu/core.c1
-rw-r--r--arch/x86/kernel/fpu/init.c1
-rw-r--r--arch/x86/kernel/fpu/xstate.c1
-rw-r--r--arch/x86/kernel/hpet.c1
-rw-r--r--arch/x86/kernel/irq.c1
-rw-r--r--arch/x86/kernel/nmi.c1
-rw-r--r--arch/x86/kernel/process_64.c1
-rw-r--r--arch/x86/kernel/ptrace.c1
-rw-r--r--arch/x86/kernel/setup.c1
-rw-r--r--arch/x86/kernel/tsc.c1
-rw-r--r--arch/x86/kernel/unwind_frame.c1
-rw-r--r--arch/x86/kernel/unwind_guess.c1
-rw-r--r--arch/x86/kernel/unwind_orc.c1
-rw-r--r--arch/x86/lib/clear_page_64.S1
-rw-r--r--arch/x86/lib/cpu.c1
-rw-r--r--arch/x86/lib/memcpy_64.S1
-rw-r--r--arch/x86/lib/usercopy_64.c1
-rw-r--r--arch/x86/mm/extable.c1
-rw-r--r--arch/x86/mm/highmem_32.c1
-rw-r--r--arch/x86/mm/init_32.c1
-rw-r--r--arch/x86/mm/init_64.c1
-rw-r--r--arch/x86/mm/ioremap.c1
-rw-r--r--arch/x86/mm/numa.c1
-rw-r--r--arch/x86/mm/pageattr.c1
-rw-r--r--arch/x86/mm/pat.c1
-rw-r--r--arch/x86/mm/tlb.c1
-rw-r--r--arch/x86/pci/common.c1
-rw-r--r--arch/x86/pci/legacy.c1
-rw-r--r--arch/x86/pci/xen.c1
-rw-r--r--arch/x86/platform/efi/quirks.c1
-rw-r--r--arch/x86/platform/intel-quark/imr.c1
-rw-r--r--arch/x86/platform/olpc/olpc_ofw.c1
-rw-r--r--drivers/acpi/debugfs.c1
-rw-r--r--drivers/acpi/processor_core.c1
-rw-r--r--drivers/acpi/scan.c1
-rw-r--r--drivers/ata/libata-acpi.c1
-rw-r--r--drivers/edac/debugfs.c1
-rw-r--r--drivers/edac/wq.c1
-rw-r--r--drivers/firmware/dmi_scan.c1
-rw-r--r--drivers/gpu/drm/drm_of.c1
-rw-r--r--drivers/gpu/drm/pl111/pl111_versatile.c1
-rw-r--r--drivers/ide/ide-atapi.c1
-rw-r--r--drivers/ide/ide-dma-sff.c1
-rw-r--r--drivers/ide/ide-eh.c1
-rw-r--r--drivers/ide/ide-io-std.c1
-rw-r--r--drivers/ide/ide-ioctls.c1
-rw-r--r--drivers/ide/ide-iops.c1
-rw-r--r--drivers/ide/ide-legacy.c1
-rw-r--r--drivers/ide/ide-lib.c1
-rw-r--r--drivers/ide/ide-probe.c1
-rw-r--r--drivers/ide/ide-proc.c1
-rw-r--r--drivers/ide/ide-taskfile.c1
-rw-r--r--drivers/ide/ide-xfer-mode.c1
-rw-r--r--drivers/iommu/irq_remapping.c1
-rw-r--r--drivers/mcb/mcb-parse.c1
-rw-r--r--drivers/md/md-bitmap.c1
-rw-r--r--drivers/media/common/saa7146/saa7146_hlp.c1
-rw-r--r--drivers/media/v4l2-core/v4l2-compat-ioctl32.c1
-rw-r--r--drivers/misc/atmel_tclib.c1
-rw-r--r--drivers/mmc/host/sdhci-pci-data.c1
-rw-r--r--drivers/net/phy/phy-c45.c1
-rw-r--r--drivers/net/phy/sfp-bus.c1
-rw-r--r--drivers/net/wireless/marvell/libertas/cmd.c1
-rw-r--r--drivers/net/wireless/marvell/libertas/firmware.c1
-rw-r--r--drivers/net/wireless/marvell/libertas/rx.c1
-rw-r--r--drivers/net/wireless/marvell/libertas/tx.c1
-rw-r--r--drivers/perf/arm_pmu.c1
-rw-r--r--drivers/ras/debugfs.c1
-rw-r--r--drivers/rtc/rtc-mc146818-lib.c1
-rw-r--r--drivers/scsi/hosts.c1
-rw-r--r--drivers/scsi/libsas/sas_task.c1
-rw-r--r--drivers/scsi/scsi_error.c1
-rw-r--r--drivers/scsi/scsi_ioctl.c1
-rw-r--r--drivers/scsi/scsi_lib.c1
-rw-r--r--drivers/scsi/scsi_pm.c1
-rw-r--r--drivers/scsi/scsi_sysfs.c1
-rw-r--r--drivers/video/console/dummycon.c1
-rw-r--r--drivers/video/fbdev/via/via-core.c1
-rw-r--r--drivers/video/logo/logo.c1
-rw-r--r--drivers/xen/dbgp.c1
-rw-r--r--drivers/xen/efi.c1
-rw-r--r--drivers/xen/events/events_base.c1
-rw-r--r--drivers/xen/features.c1
-rw-r--r--drivers/xen/manage.c1
-rw-r--r--fs/anon_inodes.c1
-rw-r--r--fs/block_dev.c1
-rw-r--r--fs/buffer.c1
-rw-r--r--fs/crypto/hooks.c1
-rw-r--r--fs/dcache.c1
-rw-r--r--fs/dcookies.c1
-rw-r--r--fs/direct-io.c1
-rw-r--r--fs/eventfd.c1
-rw-r--r--fs/exec.c1
-rw-r--r--fs/fat/dir.c1
-rw-r--r--fs/fat/file.c1
-rw-r--r--fs/fat/misc.c1
-rw-r--r--fs/file_table.c1
-rw-r--r--fs/fs-writeback.c1
-rw-r--r--fs/fs_struct.c1
-rw-r--r--fs/inode.c1
-rw-r--r--fs/libfs.c1
-rw-r--r--fs/lockd/clntlock.c1
-rw-r--r--fs/lockd/clntproc.c1
-rw-r--r--fs/lockd/svcsubs.c1
-rw-r--r--fs/locks.c1
-rw-r--r--fs/nfs/delegation.c1
-rw-r--r--fs/nfs/dir.c1
-rw-r--r--fs/nfs/direct.c1
-rw-r--r--fs/nfs/file.c1
-rw-r--r--fs/nfs/namespace.c1
-rw-r--r--fs/nfs/nfs3client.c1
-rw-r--r--fs/nfs/nfs4client.c1
-rw-r--r--fs/nfs/nfs4session.c1
-rw-r--r--fs/nfs/pagelist.c1
-rw-r--r--fs/nfs/pnfs_nfs.c1
-rw-r--r--fs/nfs/read.c1
-rw-r--r--fs/nfs/super.c1
-rw-r--r--fs/nfs/write.c1
-rw-r--r--fs/open.c1
-rw-r--r--fs/posix_acl.c1
-rw-r--r--fs/proc/generic.c1
-rw-r--r--fs/proc/proc_net.c1
-rw-r--r--fs/proc/vmcore.c1
-rw-r--r--fs/splice.c1
-rw-r--r--fs/stack.c1
-rw-r--r--fs/xattr.c1
-rw-r--r--include/linux/percpu-defs.h1
-rw-r--r--init/do_mounts.c1
-rw-r--r--init/main.c1
-rw-r--r--init/version.c1
-rw-r--r--kernel/bpf/tnum.c1
-rw-r--r--kernel/cgroup/cgroup-v1.c1
-rw-r--r--kernel/cgroup/rstat.c1
-rw-r--r--kernel/context_tracking.c1
-rw-r--r--kernel/crash_dump.c1
-rw-r--r--kernel/dma/swiotlb.c1
-rw-r--r--kernel/exit.c1
-rw-r--r--kernel/fork.c1
-rw-r--r--kernel/freezer.c1
-rw-r--r--kernel/hung_task.c1
-rw-r--r--kernel/irq_work.c1
-rw-r--r--kernel/jump_label.c1
-rw-r--r--kernel/kallsyms.c1
-rw-r--r--kernel/kthread.c1
-rw-r--r--kernel/locking/lockdep.c1
-rw-r--r--kernel/locking/mutex.c1
-rw-r--r--kernel/locking/percpu-rwsem.c1
-rw-r--r--kernel/locking/rtmutex.c1
-rw-r--r--kernel/notifier.c1
-rw-r--r--kernel/panic.c1
-rw-r--r--kernel/pid.c1
-rw-r--r--kernel/pid_namespace.c1
-rw-r--r--kernel/power/qos.c1
-rw-r--r--kernel/printk/printk.c1
-rw-r--r--kernel/profile.c1
-rw-r--r--kernel/ptrace.c1
-rw-r--r--kernel/reboot.c1
-rw-r--r--kernel/resource.c1
-rw-r--r--kernel/sched/clock.c1
-rw-r--r--kernel/sched/core.c1
-rw-r--r--kernel/sched/cputime.c1
-rw-r--r--kernel/sched/idle.c1
-rw-r--r--kernel/sched/isolation.c1
-rw-r--r--kernel/sched/wait.c1
-rw-r--r--kernel/sched/wait_bit.c1
-rw-r--r--kernel/signal.c1
-rw-r--r--kernel/smp.c1
-rw-r--r--kernel/smpboot.c1
-rw-r--r--kernel/stacktrace.c1
-rw-r--r--kernel/sysctl.c1
-rw-r--r--kernel/umh.c1
-rw-r--r--kernel/up.c1
-rw-r--r--kernel/user-return-notifier.c1
-rw-r--r--kernel/user.c1
-rw-r--r--kernel/workqueue.c1
-rw-r--r--lib/debug_locks.c1
-rw-r--r--lib/fault-inject.c1
-rw-r--r--lib/idr.c1
-rw-r--r--lib/interval_tree.c1
-rw-r--r--lib/iov_iter.c1
-rw-r--r--lib/math/gcd.c1
-rw-r--r--lib/math/lcm.c1
-rw-r--r--lib/percpu-refcount.c1
-rw-r--r--lib/sg_pool.c1
-rw-r--r--lib/string_helpers.c1
-rw-r--r--lib/vsprintf.c1
-rw-r--r--mm/backing-dev.c1
-rw-r--r--mm/balloon_compaction.c1
-rw-r--r--mm/filemap.c1
-rw-r--r--mm/gup.c1
-rw-r--r--mm/hugetlb.c1
-rw-r--r--mm/list_lru.c1
-rw-r--r--mm/maccess.c1
-rw-r--r--mm/memory.c1
-rw-r--r--mm/memory_hotplug.c1
-rw-r--r--mm/mm_init.c1
-rw-r--r--mm/mmap.c1
-rw-r--r--mm/nommu.c1
-rw-r--r--mm/oom_kill.c1
-rw-r--r--mm/page-writeback.c1
-rw-r--r--mm/page_alloc.c1
-rw-r--r--mm/readahead.c1
-rw-r--r--mm/swap.c1
-rw-r--r--mm/swapfile.c1
-rw-r--r--mm/truncate.c1
-rw-r--r--mm/util.c1
-rw-r--r--mm/vmalloc.c1
-rw-r--r--mm/vmstat.c1
-rw-r--r--net/bridge/br_vlan.c1
-rw-r--r--net/compat.c1
-rw-r--r--net/core/dst.c1
-rw-r--r--net/core/flow_dissector.c1
-rw-r--r--net/core/net_namespace.c1
-rw-r--r--net/core/netpoll.c1
-rw-r--r--net/core/secure_seq.c1
-rw-r--r--net/ipv4/inet_timewait_sock.c1
-rw-r--r--net/ipv4/ip_output.c1
-rw-r--r--net/ipv4/metrics.c1
-rw-r--r--net/ipv4/netlink.c1
-rw-r--r--net/ipv4/tcp_cong.c1
-rw-r--r--net/ipv4/tcp_minisocks.c1
-rw-r--r--net/ipv4/tcp_output.c1
-rw-r--r--net/ipv4/tcp_rate.c1
-rw-r--r--net/ipv4/tcp_timer.c1
-rw-r--r--net/ipv4/tcp_ulp.c1
-rw-r--r--net/ipv6/addrconf_core.c1
-rw-r--r--net/ipv6/exthdrs_core.c1
-rw-r--r--net/ipv6/output_core.c1
-rw-r--r--net/mac80211/chan.c1
-rw-r--r--net/netfilter/ipset/pfxlen.c1
-rw-r--r--net/netfilter/ipvs/ip_vs_pe.c1
-rw-r--r--net/netfilter/nf_conntrack_proto_gre.c1
-rw-r--r--net/netfilter/nf_conntrack_seqadj.c1
-rw-r--r--net/netfilter/nf_flow_table_ip.c1
-rw-r--r--net/netfilter/nf_log.c1
-rw-r--r--net/sunrpc/addr.c1
-rw-r--r--net/sunrpc/auth.c1
-rw-r--r--net/sunrpc/clnt.c1
-rw-r--r--net/sunrpc/rpc_pipe.c1
-rw-r--r--net/sunrpc/rpcb_clnt.c1
-rw-r--r--net/sunrpc/sched.c1
-rw-r--r--net/sunrpc/socklib.c1
-rw-r--r--net/sunrpc/stats.c1
-rw-r--r--net/sunrpc/svc.c1
-rw-r--r--net/sunrpc/svc_xprt.c1
-rw-r--r--net/sunrpc/svcauth.c1
-rw-r--r--net/sunrpc/svcauth_unix.c1
-rw-r--r--net/sunrpc/svcsock.c1
-rw-r--r--net/sunrpc/sysctl.c1
-rw-r--r--net/sunrpc/timer.c1
-rw-r--r--net/sunrpc/xdr.c1
-rw-r--r--net/sunrpc/xprt.c1
-rw-r--r--net/sysctl_net.c1
-rw-r--r--net/wireless/nl80211.c1
-rw-r--r--net/wireless/wext-compat.h1
-rw-r--r--net/xfrm/xfrm_policy.c1
-rw-r--r--net/xfrm/xfrm_state.c1
-rw-r--r--scripts/genksyms/keywords.c1
-rwxr-xr-xscripts/tags.sh1
-rw-r--r--sound/hda/array.c1
-rw-r--r--sound/hda/hdac_bus.c1
-rw-r--r--sound/hda/hdac_controller.c1
-rw-r--r--sound/hda/hdac_device.c1
-rw-r--r--sound/hda/hdac_regmap.c1
-rw-r--r--sound/hda/hdac_stream.c1
-rw-r--r--sound/hda/hdmi_chmap.c1
-rw-r--r--sound/pci/hda/hda_bind.c1
-rw-r--r--sound/pci/hda/hda_sysfs.c1
-rw-r--r--tools/arch/x86/lib/memcpy_64.S1
321 files changed, 321 insertions, 0 deletions
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 86870f40f9a075..71778bb0475b31 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 5bf9443cfbaa63..d42b9331618325 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mm/ioremap.c
*
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 7d67c70bbded38..24ecf8d30a1e97 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mm/nommu.c
*
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 17e478928276a8..1e57692552d9db 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <xen/xen.h>
#include <xen/events.h>
#include <xen/grant_table.h>
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index e1d44b903dfc3f..d33b77e9add396 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/cpu.h>
#include <linux/dma-mapping.h>
#include <linux/gfp.h>
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index da2a7044a124df..e52950a43f2ed6 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/memblock.h>
#include <linux/gfp.h>
#include <linux/export.h>
diff --git a/arch/ia64/kernel/esi_stub.S b/arch/ia64/kernel/esi_stub.S
index 2c369bf77c4bc9..821e68d1059874 100644
--- a/arch/ia64/kernel/esi_stub.S
+++ b/arch/ia64/kernel/esi_stub.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ESI call stub.
*
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 5cabb3fd159ffe..6a52d761854b52 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* File: mca.c
* Purpose: Generic MCA handling layer
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 7a969f4c3534d3..58a6337c06905d 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file implements the perfmon-2 subsystem which is used
* to program the IA-64 Performance Monitoring Unit (PMU).
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 0464173ea56846..9b2331ac10cebf 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* System Abstraction Layer (SAL) interface routines.
*
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 7f706d4f84f7e8..133b63355814b4 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* SMP Support
*
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 51ec944b036c43..d0474a0c67db50 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* SMP boot-related support
*
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 9025699049ca63..4ecd81b0e8ecb7 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/ia64/kernel/time.c
*
diff --git a/arch/ia64/lib/flush.S b/arch/ia64/lib/flush.S
index 9a5a2f9fad132e..8573d59c9ed170 100644
--- a/arch/ia64/lib/flush.S
+++ b/arch/ia64/lib/flush.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Cache flushing routines.
*
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 5158bd28de0551..0714df1b78547d 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* TLB support routines.
*
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 196a0dd7ff97b0..e308196c22299d 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* pci.c - Low-Level PCI Access in IA-64
*
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 3a8b47f8f97b82..c2697a4d4ddd79 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/m68k/kernel/time.c
*
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 8d547df4e16c23..0d0965b19c09b4 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Apple Peripheral System Controller (PSC)
*
diff --git a/arch/mips/alchemy/common/usb.c b/arch/mips/alchemy/common/usb.c
index 634edd3ded38a6..5d618547ebf015 100644
--- a/arch/mips/alchemy/common/usb.c
+++ b/arch/mips/alchemy/common/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* USB block power/access management abstraction.
*
diff --git a/arch/mips/alchemy/common/vss.c b/arch/mips/alchemy/common/vss.c
index a7bd32e9831b4a..3d0d468d93a579 100644
--- a/arch/mips/alchemy/common/vss.c
+++ b/arch/mips/alchemy/common/vss.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Au1300 media block power gating (VSS)
*
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index c1a2daaf300a58..8df0ccdc928728 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction.
*
diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c
index 7c7c902249f2af..f2e72094051bda 100644
--- a/arch/mips/kernel/stacktrace.c
+++ b/arch/mips/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Stack trace management functions
*
diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c
index b225033aade6e4..282b47c2dc2707 100644
--- a/arch/mips/sgi-ip22/ip22-gio.c
+++ b/arch/mips/sgi-ip22/ip22-gio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/parisc/kernel/stacktrace.c b/arch/parisc/kernel/stacktrace.c
index 6f0b9c8d805236..34bf6d6bf6e8ff 100644
--- a/arch/parisc/kernel/stacktrace.c
+++ b/arch/parisc/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Stack trace management functions
*
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 0417fda13636ae..50942a1d1a5fba 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common pmac/prep/chrp pci routines. -- Cort
*/
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 3fb9f64f88fdd9..94517e4a272359 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common prep/pmac/chrp boot and setup code.
*/
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 7a1708875d27d1..e2147d7c9e72fb 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/smp.h>
diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c
index 27ee65b89099de..0be212a2725466 100644
--- a/arch/powerpc/platforms/cell/cbe_regs.c
+++ b/arch/powerpc/platforms/cell/cbe_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* cbe_regs.c
*
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index b5f35cbe9e2178..cbee3666da073c 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* System call callback functions for SPUs
*/
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index 6b5dcccae1d30b..32224cb489d757 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Miscellaneous procedures for dealing with the PowerMac hardware.
* Contains support for the backlight.
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index e0462fedcdb8f5..94df0a91b46fdb 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* FIXME: Properly make this race free with refcounting etc...
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 5aeb4d7099a16a..13c6a6bb5fd9b7 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/sh/mm/init.c
*
diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S
index e4e5b832fcb6f9..9b3f74706cfbcc 100644
--- a/arch/sparc/kernel/helpers.S
+++ b/arch/sparc/kernel/helpers.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
.align 32
.globl __flushw_user
.type __flushw_user,#function
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 8babbeb30adf9b..060fff95a305c1 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Pseudo NMI support on sparc64 systems.
*
* Copyright (C) 2009 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index b186b7f0f6c408..b32cc561071209 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/of.h>
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index eb978c77c76a78..c0886b400dad23 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* pcr.c: Generic sparc64 performance counter infrastructure.
*
* Copyright (C) 2009 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index e1d965e90e1697..c9d41a96468f7c 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* ptrace.c: Sparc process tracing support.
*
* Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/stacktrace.c b/arch/sparc/kernel/stacktrace.c
index dd654e651500d3..d8eb1d149f9f5c 100644
--- a/arch/sparc/kernel/stacktrace.c
+++ b/arch/sparc/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/stacktrace.h>
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 0cd02a64a4514a..04aa588d5dd1b8 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* arch/sparc64/kernel/traps.c
*
* Copyright (C) 1995,1997,2008,2009,2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index f15441b07dad8a..e7d35f60d53fcc 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/perf_event.h>
#include <linux/export.h>
#include <linux/types.h>
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 546d13e436aafa..a5436cee20b128 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Per core/cpu state
*
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index cb6e076a6d3989..a5e5484988fdd0 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2005 Intel Corporation
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 7b9b49dfc05aff..390596b761e347 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "SMP alternatives: " fmt
#include <linux/module.h>
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index ab6af775f06c22..177aa8ef2afa7c 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Local APIC handling, local APIC timers
*
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index fb6a64bd765fc9..80a405c2048a3b 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/bitops.h>
#include <linux/elf.h>
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d7f55ad2dfb1f1..2c57fffebf9bae 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* cpu_feature_enabled() cannot be used this early */
#define USE_EARLY_PGTABLE_L5
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 5112a50e6486fd..282916f3b8d8c6 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Machine check handler.
*
diff --git a/arch/x86/kernel/cpu/mce/dev-mcelog.c b/arch/x86/kernel/cpu/mce/dev-mcelog.c
index 9690ec5c80515f..7c8958dee10357 100644
--- a/arch/x86/kernel/cpu/mce/dev-mcelog.c
+++ b/arch/x86/kernel/cpu/mce/dev-mcelog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* /dev/mcelog driver
*
diff --git a/arch/x86/kernel/cpu/mce/therm_throt.c b/arch/x86/kernel/cpu/mce/therm_throt.c
index 10a3b05993003f..6e2becf547c5e4 100644
--- a/arch/x86/kernel/cpu/mce/therm_throt.c
+++ b/arch/x86/kernel/cpu/mce/therm_throt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Thermal throttle event support code (such as syslog messaging and rate
* limiting) that was factored out from x86_64 (mce_intel.c) and i386 (p4.c).
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 86e277f8daf420..9356c1c9024d53 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This only handles 32bit MTRR on 32bit hosts. This is strictly wrong
* because MTRRs can span up to 40 bits (36bits on most modern x86)
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index a96ca858480398..576b2e1bfc12dd 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Architecture specific (i386/x86_64) functions for kexec based crash dumps.
*
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 76dd605ee2a38f..8f32e705a980b6 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Low level x86 E820 memory map handling functions.
*
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index ce243f76bdb7bd..466fca686fb97c 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1994 Linus Torvalds
*
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 20d8fa7124c77a..ef0030e3fe6b98 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* x86 FPU boot time init code:
*/
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 9c459fd1d38e6c..3c36dd1784db6c 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* xsave/xrstor support.
*
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index fb32925a2e62bc..a0573f2e776378 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/interrupt.h>
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 59b5f2ea7c2f32..9b68b5b00ac91c 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common interrupt code for 32 and 64 bit
*/
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 05b09896cfafa2..4df7705022b9d9 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index f8e1af380cdfce..250e4c4ac6d93a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1995 Linus Torvalds
*
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 4b8ee05dd6addf..a166c960bc9e39 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* By Ross Biro 1/23/92 */
/*
* Pentium III FXSR, SSE support
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 905dae88056388..08a5f4a131f54f 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1995 Linus Torvalds
*
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 356dfc555a27ff..0b29e58f288e81 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c
index 9b9fd4826e7ab4..6106760de71657 100644
--- a/arch/x86/kernel/unwind_frame.c
+++ b/arch/x86/kernel/unwind_frame.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/sched.h>
#include <linux/sched/task.h>
#include <linux/sched/task_stack.h>
diff --git a/arch/x86/kernel/unwind_guess.c b/arch/x86/kernel/unwind_guess.c
index 4f0e17b90463a6..c49f10ffd8cded 100644
--- a/arch/x86/kernel/unwind_guess.c
+++ b/arch/x86/kernel/unwind_guess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/sched.h>
#include <linux/ftrace.h>
#include <asm/ptrace.h>
diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index 89be1be1790c41..33b66b5c5aec32 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/sort.h>
#include <asm/ptrace.h>
diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S
index 88acd349911bec..75a5a4515fa75b 100644
--- a/arch/x86/lib/clear_page_64.S
+++ b/arch/x86/lib/clear_page_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
#include <linux/linkage.h>
#include <asm/export.h>
diff --git a/arch/x86/lib/cpu.c b/arch/x86/lib/cpu.c
index 2dd1fe13a37b36..04967cdce5d12c 100644
--- a/arch/x86/lib/cpu.c
+++ b/arch/x86/lib/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/export.h>
diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
index 9d05572370edc4..92748660ba5123 100644
--- a/arch/x86/lib/memcpy_64.S
+++ b/arch/x86/lib/memcpy_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright 2002 Andi Kleen */
#include <linux/linkage.h>
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 9952a01cad2496..e0e006f1624e2c 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* User address space access functions.
*
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
index b0a2de8d2f9efb..4d75bc656f971e 100644
--- a/arch/x86/mm/extable.c
+++ b/arch/x86/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/extable.h>
#include <linux/uaccess.h>
#include <linux/sched/debug.h>
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index 0d4bdcb84da5ab..0a1898b8552e23 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/highmem.h>
#include <linux/export.h>
#include <linux/swap.h> /* for totalram_pages */
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 075e568098f25d..f265a431617956 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 1995 Linus Torvalds
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 62fc457f3849af..693aaf28d5fe77 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/x86_64/mm/init.c
*
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index dd73d5d74393f7..4b6423e7bd21ec 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Re-map IO memory to kernel address space so that we can access it.
* This is needed for high PCI addresses that aren't mapped in the
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index dfb6c4df639ab1..e6dad600614c2a 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Common code for 32 and 64-bit NUMA */
#include <linux/acpi.h>
#include <linux/kernel.h>
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index daf4d645e5370e..6a9a77a403c928 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002 Andi Kleen, SuSE Labs.
* Thanks to Ben LaHaise for precious feedback.
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 4fe956a63b25b5..d9fbd4f6992025 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Handle caching attributes in page tables (PAT)
*
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 7f61431c75fb7b..91f6db92554c17 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/init.h>
#include <linux/mm.h>
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index d4ec117c1142e0..9acab6ac28f5d3 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Low-Level PCI Support for PC
*
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index dfbe6ac3883054..467311b1eeead0 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* legacy.c - traditional, old school PCI bus probing
*/
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 9112d1cb397bb5..91220cc258547e 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Xen PCI - handle PCI (INTx) and MSI infrastructure calls for PV, HVM and
* initial domain support. We also handle the DSDT _PRT callbacks for GSI's
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c
index a25a9fd987a9e5..feb77777c8b817 100644
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "efi: " fmt
#include <linux/init.h>
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c
index 49828c2707ac18..b5420371d32d07 100644
--- a/arch/x86/platform/intel-quark/imr.c
+++ b/arch/x86/platform/intel-quark/imr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* imr.c -- Intel Isolated Memory Region driver
*
diff --git a/arch/x86/platform/olpc/olpc_ofw.c b/arch/x86/platform/olpc/olpc_ofw.c
index f1aab8cdb33f79..20a0645684638a 100644
--- a/arch/x86/platform/olpc/olpc_ofw.c
+++ b/arch/x86/platform/olpc/olpc_ofw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/spinlock_types.h>
diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
index 68bb305b977f9c..d5ecea3715f860 100644
--- a/drivers/acpi/debugfs.c
+++ b/drivers/acpi/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* debugfs.c - ACPI debugfs interface to userspace.
*/
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 8c0a54d50d0e9b..f32beb7d788273 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2005 Intel Corporation
* Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 566270d0e91ade..0e28270b0fd810 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* scan.c - support for transforming the ACPI namespace into individual objects
*/
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 97a14fe47de1b3..224e3486e9a5d6 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* libata-acpi.c
* Provides ACPI support for PATA/SATA.
diff --git a/drivers/edac/debugfs.c b/drivers/edac/debugfs.c
index 0a9277228c505c..6b8e484db85123 100644
--- a/drivers/edac/debugfs.c
+++ b/drivers/edac/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "edac_module.h"
static struct dentry *edac_debugfs;
diff --git a/drivers/edac/wq.c b/drivers/edac/wq.c
index 2a9a11ae246156..d021d287eaec60 100644
--- a/drivers/edac/wq.c
+++ b/drivers/edac/wq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "edac_module.h"
static struct workqueue_struct *wq;
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index fae2d5c4331453..35ed56b9c34f14 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/string.h>
#include <linux/init.h>
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index f2f71d71494a27..6becf63f91664b 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/component.h>
#include <linux/export.h>
#include <linux/list.h>
diff --git a/drivers/gpu/drm/pl111/pl111_versatile.c b/drivers/gpu/drm/pl111/pl111_versatile.c
index 1c318ad32a8cd3..38f4ee05285e92 100644
--- a/drivers/gpu/drm/pl111/pl111_versatile.c
+++ b/drivers/gpu/drm/pl111/pl111_versatile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/amba/clcd-regs.h>
#include <linux/device.h>
#include <linux/of.h>
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 33a28cde126c90..80bc3bf82f4d72 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ATAPI support.
*/
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 289d16c87b8ffb..b7c2c0bd18b53d 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/export.h>
diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c
index e1323e05845436..2f378213e9b5f6 100644
--- a/drivers/ide/ide-eh.c
+++ b/drivers/ide/ide-eh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/export.h>
diff --git a/drivers/ide/ide-io-std.c b/drivers/ide/ide-io-std.c
index 19763977568c5d..18c20a7aa0ceb9 100644
--- a/drivers/ide/ide-io-std.c
+++ b/drivers/ide/ide-io-std.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/export.h>
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
index af5119a73689bf..d48c1700387454 100644
--- a/drivers/ide/ide-ioctls.c
+++ b/drivers/ide/ide-ioctls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IDE ioctls handling.
*/
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index d55e9ebd56282c..d1445d74e9c332 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat
diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c
index 30fe3630734fce..be65b411ab53bd 100644
--- a/drivers/ide/ide-legacy.c
+++ b/drivers/ide/ide-legacy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/ide.h>
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 78cb79eddc8b9f..7b9f655adbc2d1 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 4ad82498458143..e867129466b058 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1994-1998 Linus Torvalds & authors (see below)
* Copyright (C) 2005, 2007 Bartlomiej Zolnierkiewicz
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index a5dc13576394ff..0363d73b0be04b 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1997-1998 Mark Lord
* Copyright (C) 2003 Red Hat
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 17b2e379e87210..aab6a10435b652 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2000-2002 Michael Cornwell <cornwell@acm.org>
* Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c
index eb421883c16d05..0b9709b489b78e 100644
--- a/drivers/ide/ide-xfer-mode.c
+++ b/drivers/ide/ide-xfer-mode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 81cf2908c5314a..83f36f61416e5d 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/cpumask.h>
#include <linux/kernel.h>
#include <linux/string.h>
diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c
index 7369bda3442fbc..3b69e6aa3d88ad 100644
--- a/drivers/mcb/mcb-parse.c
+++ b/drivers/mcb/mcb-parse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/slab.h>
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 3a62a46b75c727..c01d41198f5e61 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* bitmap.c two-level bitmap (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003
*
diff --git a/drivers/media/common/saa7146/saa7146_hlp.c b/drivers/media/common/saa7146/saa7146_hlp.c
index 6ebcbc6450f57c..6c9946a402eefe 100644
--- a/drivers/media/common/saa7146/saa7146_hlp.c
+++ b/drivers/media/common/saa7146/saa7146_hlp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 73dac1d8d4f648..e1eaf1135c7f88 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ioctl32.c: Conversion between 32bit and 64bit native ioctls.
* Separated from fs stuff by Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c
index 2c6850ef0e9c8a..08b5b639d77f69 100644
--- a/drivers/misc/atmel_tclib.c
+++ b/drivers/misc/atmel_tclib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/init.h>
diff --git a/drivers/mmc/host/sdhci-pci-data.c b/drivers/mmc/host/sdhci-pci-data.c
index a611217769f508..18638fb363d873 100644
--- a/drivers/mmc/host/sdhci-pci-data.c
+++ b/drivers/mmc/host/sdhci-pci-data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/mmc/sdhci-pci-data.h>
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index abe13dfe50ad34..b9d4145781caa0 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Clause 45 PHY support
*/
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index fef701bfad62e6..e9c187946cca63 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/kref.h>
#include <linux/list.h>
diff --git a/drivers/net/wireless/marvell/libertas/cmd.c b/drivers/net/wireless/marvell/libertas/cmd.c
index c1f42291873783..a4d9dd73b25886 100644
--- a/drivers/net/wireless/marvell/libertas/cmd.c
+++ b/drivers/net/wireless/marvell/libertas/cmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file contains the handling of command.
* It prepares command and sends it to firmware when it is ready.
diff --git a/drivers/net/wireless/marvell/libertas/firmware.c b/drivers/net/wireless/marvell/libertas/firmware.c
index 51b92b5df11956..69029c59a27264 100644
--- a/drivers/net/wireless/marvell/libertas/firmware.c
+++ b/drivers/net/wireless/marvell/libertas/firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Firmware loading and handling functions.
*/
diff --git a/drivers/net/wireless/marvell/libertas/rx.c b/drivers/net/wireless/marvell/libertas/rx.c
index 7586ff681b23a6..58a1fc433b73f6 100644
--- a/drivers/net/wireless/marvell/libertas/rx.c
+++ b/drivers/net/wireless/marvell/libertas/rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file contains the handling of RX in wlan driver.
*/
diff --git a/drivers/net/wireless/marvell/libertas/tx.c b/drivers/net/wireless/marvell/libertas/tx.c
index 723ba5fd0bfe2b..aeb481740df67f 100644
--- a/drivers/net/wireless/marvell/libertas/tx.c
+++ b/drivers/net/wireless/marvell/libertas/tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file contains the handling of TX in wlan driver.
*/
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index eec75b97e7eae0..2d06b8095a19cf 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#undef DEBUG
/*
diff --git a/drivers/ras/debugfs.c b/drivers/ras/debugfs.c
index 501603057dffea..9c1b717efad861 100644
--- a/drivers/ras/debugfs.c
+++ b/drivers/ras/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/debugfs.h>
struct dentry *ras_debugfs_dir;
diff --git a/drivers/rtc/rtc-mc146818-lib.c b/drivers/rtc/rtc-mc146818-lib.c
index 18a6f15e313d8b..2ecd8752b088b6 100644
--- a/drivers/rtc/rtc-mc146818-lib.c
+++ b/drivers/rtc/rtc-mc146818-lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/export.h>
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index eaf329db39731c..ff0d8c6a8d0c34 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* hosts.c Copyright (C) 1992 Drew Eckhardt
* Copyright (C) 1993, 1994, 1995 Eric Youngdale
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
index c3b9befad4e6dd..1ded7d85027ec5 100644
--- a/drivers/scsi/libsas/sas_task.c
+++ b/drivers/scsi/libsas/sas_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "sas_internal.h"
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 8e9680572b9f34..bfa569facd5b92 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* scsi_error.c Copyright (C) 1997 Eric Youngdale
*
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 840d96fe81bc15..57bcd05605bfbd 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Changes:
* Arnaldo Carvalho de Melo <acme@conectiva.com.br> 08/23/2000
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0916bd6d22b06e..65d0a10c76ad1a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1999 Eric Youngdale
* Copyright (C) 2014 Christoph Hellwig
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index 7639df91b11084..48ee68059fe608 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* scsi_pm.c Copyright (C) 2010 Alan Stern
*
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 3b119ca0cc0ce9..dbb206c90ecf3c 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* scsi_sysfs.c
*
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 45ad925ad5f8fb..ff886e99104b8a 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/video/dummycon.c -- A dummy console driver
*
diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c
index b041eb27a9bff7..e2b2062673daac 100644
--- a/drivers/video/fbdev/via/via-core.c
+++ b/drivers/video/fbdev/via/via-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c
index 36aa050f9a214a..141f15a9a45906 100644
--- a/drivers/video/logo/logo.c
+++ b/drivers/video/logo/logo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux logo to be displayed on boot
diff --git a/drivers/xen/dbgp.c b/drivers/xen/dbgp.c
index 8145a59fd9f62b..cfb5de31d86061 100644
--- a/drivers/xen/dbgp.c
+++ b/drivers/xen/dbgp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/pci.h>
#include <linux/usb.h>
#include <linux/usb/ehci_def.h>
diff --git a/drivers/xen/efi.c b/drivers/xen/efi.c
index 9243a905107822..89d60f8e3c1808 100644
--- a/drivers/xen/efi.c
+++ b/drivers/xen/efi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* EFI support for Xen.
*
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 084e45882c7374..ff9b51055b1415 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Xen event channels
*
diff --git a/drivers/xen/features.c b/drivers/xen/features.c
index d7d34fdfc9938d..25c053b096051c 100644
--- a/drivers/xen/features.c
+++ b/drivers/xen/features.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
* features.c
*
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 5bb01a62f214da..cd046684e0d1bb 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Handle extern requests for shutdown, reboot and sysrq
*/
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 91262c34b797c3..c2b8663f5b00e5 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/anon_inodes.c
*
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 0f7552a87d5447..e6886c93c89daf 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/block_dev.c
*
diff --git a/fs/buffer.c b/fs/buffer.c
index 0faa41fb4c884e..e450c55f643424 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/buffer.c
*
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c
index 2dc22549d724d5..bd525f7573a49c 100644
--- a/fs/crypto/hooks.c
+++ b/fs/crypto/hooks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/crypto/hooks.c
*
diff --git a/fs/dcache.c b/fs/dcache.c
index 8136bda27a1f8c..c435398f2c8196 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/dcache.c
*
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 57bc96435febe1..6eeb61100a0958 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* dcookies.c
*
diff --git a/fs/direct-io.c b/fs/direct-io.c
index fbe885d68035e6..ac7fb19b6ade5d 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/direct-io.c
*
diff --git a/fs/eventfd.c b/fs/eventfd.c
index 93b1fa7bb2984a..8aa0ea8c55e873 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/eventfd.c
*
diff --git a/fs/exec.c b/fs/exec.c
index d88584ebf07f31..89a500bb897a6f 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/exec.c
*
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 9d01db37183f26..1bda2ab6745ba1 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/fat/dir.c
*
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 0e3ed79fcc3f1b..4614c0ba5f1c49 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/fat/file.c
*
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index 4fc950bb64335c..1e08bd54c5fbe5 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/fat/misc.c
*
diff --git a/fs/file_table.c b/fs/file_table.c
index 3f9c1b452c1d9e..b07b53f24ff5d8 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/file_table.c
*
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index b16645b417d931..e41cbe8e81b9b4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/fs-writeback.c
*
diff --git a/fs/fs_struct.c b/fs/fs_struct.c
index be0250788b737c..ca639ed967b7a6 100644
--- a/fs/fs_struct.c
+++ b/fs/fs_struct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/sched/signal.h>
#include <linux/sched/task.h>
diff --git a/fs/inode.c b/fs/inode.c
index e9d18b2c3f91f8..df6542ec3b88be 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 1997 Linus Torvalds
* (C) 1999 Andrea Arcangeli <andrea@suse.de> (dynamic inode allocation)
diff --git a/fs/libfs.c b/fs/libfs.c
index 4b59b1816efbaf..7e52e77692ec51 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/libfs.c
* Library for filesystems writers.
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 5fb4f8910aab94..a5bb3f721a9d4b 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/lockd/clntlock.c
*
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index d9c32d1a20c0bb..62f98225abb3f6 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/lockd/clntproc.c
*
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 899360ba3b8486..0e610f422406aa 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/lockd/svcsubs.c
*
diff --git a/fs/locks.c b/fs/locks.c
index 8af49f89ac2f0d..ec1e4a5df62903 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/locks.c
*
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 8b78274e3e56fb..0ff3facf81dac6 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/delegation.c
*
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 47d445bec8c919..57b6a45576adf0 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/dir.c
*
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 2436bd92bc005a..0cb44240616889 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/direct.c
*
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 144e183250c3e1..95dc90570786cc 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/file.c
*
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 15f099a24c29b8..9287eb666322c7 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/namespace.c
*
diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c
index 1afdb0f7473fa0..fb0c425b5d4557 100644
--- a/fs/nfs/nfs3client.c
+++ b/fs/nfs/nfs3client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include <linux/sunrpc/addr.h>
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 3ce246346f022a..81b9b6d7927ac2 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
diff --git a/fs/nfs/nfs4session.c b/fs/nfs/nfs4session.c
index bcb532def9e2be..4145a013890704 100644
--- a/fs/nfs/nfs4session.c
+++ b/fs/nfs/nfs4session.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/nfs/nfs4session.c
*
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 6ec30014a43988..6ef5278326b673 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/pagelist.c
*
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index f5ad75fafc3c0e..c0046c3489103c 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common NFS I/O operations for the pnfs file based
* layout drivers.
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index c799e540ed1e1b..c19841c82b6a32 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/read.c
*
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d6c687419a818d..f88ddac2dcdf34 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/super.c
*
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index bc5bb932341290..059a7c38bc4fca 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/nfs/write.c
*
diff --git a/fs/open.c b/fs/open.c
index 9c7d724a6f6775..b5b80469b93d05 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/open.c
*
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 2fd0fde16fe17f..84ad1c90d535db 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2002,2003 by Andreas Gruenbacher <a.gruenbacher@computer.org>
*
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index e39bac94dead09..64e9ee1b129e22 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* proc/fs/generic.c --- generic routines for the proc-fs
*
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index a7b12435519e04..76ae278df1c47c 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/fs/proc/net.c
*
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 3fe90443c1bb8b..7bb96fdd38ad3e 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fs/proc/vmcore.c Interface for accessing the crash
* dump from the system's previous life.
diff --git a/fs/splice.c b/fs/splice.c
index 25212dcca2dfd6..14cb602d9a2f54 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* "splice": joining two ropes together by interweaving their strands.
*
diff --git a/fs/stack.c b/fs/stack.c
index 664ed35558bd00..4ef2c056269d54 100644
--- a/fs/stack.c
+++ b/fs/stack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/fs.h>
#include <linux/fs_stack.h>
diff --git a/fs/xattr.c b/fs/xattr.c
index 0d6a6a4af8616d..90dd78f0eb279d 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
File: fs/xattr.c
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 1ce8e264a26998..a6fabd865211f0 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/percpu-defs.h - basic definitions for percpu areas
*
diff --git a/init/do_mounts.c b/init/do_mounts.c
index f8c230c77035c7..2d1ea302845431 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ctype.h>
diff --git a/init/main.c b/init/main.c
index 5a2c69b4d7b3ac..66a196c5e4c3c0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/init/main.c
*
diff --git a/init/version.c b/init/version.c
index ef4012ec437511..cba341161b5801 100644
--- a/init/version.c
+++ b/init/version.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/init/version.c
*
diff --git a/kernel/bpf/tnum.c b/kernel/bpf/tnum.c
index 938d41211be70c..ca52b9642943ff 100644
--- a/kernel/bpf/tnum.c
+++ b/kernel/bpf/tnum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* tnum: tracked (or tristate) numbers
*
* A tnum tracks knowledge about the bits of a value. Each bit can be either
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 68ca5de7ec2772..88006be40ea343 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "cgroup-internal.h"
#include <linux/ctype.h>
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index bb95a35e8c2d07..ca19b4c8acf53f 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "cgroup-internal.h"
#include <linux/sched/cputime.h>
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 9ad37b9e44a703..be01a4d627c9e9 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Context tracking: Probe on high level context boundaries such as kernel
* and userspace. This includes syscalls and exceptions entry/exit.
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index b64e238b553b94..9c23ae074b4011 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/crash_dump.h>
#include <linux/init.h>
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 6f7619c1f87749..13f0cb080a4dc9 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Dynamic DMA mapping support.
*
diff --git a/kernel/exit.c b/kernel/exit.c
index 8361a560cd1d10..1803efb2922ffa 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/exit.c
*
diff --git a/kernel/fork.c b/kernel/fork.c
index b4cba953040a0f..b2b87d450b80b5 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/fork.c
*
diff --git a/kernel/freezer.c b/kernel/freezer.c
index b162b74611e475..c0738424bb4333 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/freezer.c - Function to freeze a process
*
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index f108a95882c63e..14a625c16cb336 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Detect Hung Task
*
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 73288914ed5e78..d42acaf818861a 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra
*
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index de6efdecc70d0b..0bfa10f4410c5d 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* jump label support
*
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 14934afa9e68bf..95a260f9214b97 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kallsyms.c: in-kernel printing of symbolic oopses and stack traces.
*
diff --git a/kernel/kthread.c b/kernel/kthread.c
index be4e8795561a6a..621467c33fefda 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Kernel thread helper functions.
* Copyright (C) 2004 IBM Corporation, Rusty Russell.
*
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index d06190fa508223..c47788fa85f949 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/lockdep.c
*
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index db578783dd36a3..0c601ae072b3fb 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/locking/mutex.c
*
diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c
index f17dad99eec8b7..b6a9cc62099a95 100644
--- a/kernel/locking/percpu-rwsem.c
+++ b/kernel/locking/percpu-rwsem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/atomic.h>
#include <linux/rwsem.h>
#include <linux/percpu.h>
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 978d63a8261c26..38fbf9fa7f1be6 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* RT-Mutexes: simple blocking mutual exclusion locks with PI support
*
diff --git a/kernel/notifier.c b/kernel/notifier.c
index bfc95b3e42355d..d9f5081d578d75 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kdebug.h>
#include <linux/kprobes.h>
#include <linux/export.h>
diff --git a/kernel/panic.c b/kernel/panic.c
index b4543a31a49585..4d9f55bf7d38c9 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/panic.c
*
diff --git a/kernel/pid.c b/kernel/pid.c
index 89548d35eefb74..e5cad0c7d5ddea 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic pidhash and scalable, time-bounded PID allocator
*
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index aa6e72fb7c089e..f54bc7cb6c2dc4 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Pid namespaces
*
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 9d22131afc1e95..33e3febaba53f9 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This module exposes the interface to kernel space for specifying
* QoS dependencies. It provides infrastructure for registration of:
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index a6e06fe38e41e0..1888f6a3b694cb 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/printk.c
*
diff --git a/kernel/profile.c b/kernel/profile.c
index 9c08a2c7cb1d35..af7c94bf5fa1db 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/profile.c
* Simple profiling. Manages a direct-mapped profile hit count buffer,
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 6f357f4fc85900..5710d07e67cf7f 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/ptrace.c
*
diff --git a/kernel/reboot.c b/kernel/reboot.c
index b9e79e8c722654..c4d472b7f1b42f 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/reboot.c
*
diff --git a/kernel/resource.c b/kernel/resource.c
index 8c15f846e8ef22..158f04ec1d4fad 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/resource.c
*
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
index e3e3b979f9bd26..1152259a4ca0cd 100644
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sched_clock() for unstable CPU clocks
*
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 102dfcf0a29a85..874c427742a918 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/sched/core.c
*
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index ba4a143bdcf313..2305ce89a26cfe 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Simple CPU accounting cgroup controller
*/
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index f5516bae0c1b85..80940939b73368 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic entry points for the idle threads and
* implementation of the idle task scheduling class.
diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c
index 687302051a270d..123ea07a3f3b04 100644
--- a/kernel/sched/isolation.c
+++ b/kernel/sched/isolation.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Housekeeping management. Manage the targets for routine code that can run on
* any CPU: unbound workqueues, timers, kthreads and any offloadable work.
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 6eb1f8efd221c5..fa0f9adfb7523f 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic waiting primitives.
*
diff --git a/kernel/sched/wait_bit.c b/kernel/sched/wait_bit.c
index c67c6d24adc2a1..45eba18a28984c 100644
--- a/kernel/sched/wait_bit.c
+++ b/kernel/sched/wait_bit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* The implementation of the wait_bit*() and related waiting APIs:
*/
diff --git a/kernel/signal.c b/kernel/signal.c
index a1eb44dc9ff523..d7b9d14ac80dab 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/kernel/signal.c
*
diff --git a/kernel/smp.c b/kernel/smp.c
index f4cf1b0bb3b86e..d155374632eba7 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic helpers for smp ipi calls
*
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index c230c2dd48e197..2efe1e206167cc 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common SMP CPU bringup/teardown functions
*/
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 27bafc1e271ee7..5667f1da3eded0 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/stacktrace.c
*
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 943c89178e3d3e..7d1008be617331 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sysctl.c: General linux system control interface
*
diff --git a/kernel/umh.c b/kernel/umh.c
index d937cbad903aad..7f255b5a8845ae 100644
--- a/kernel/umh.c
+++ b/kernel/umh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* umh - the kernel usermode helper
*/
diff --git a/kernel/up.c b/kernel/up.c
index ff536f9cc8a25e..483c9962c99947 100644
--- a/kernel/up.c
+++ b/kernel/up.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Uniprocessor-only support functions. The counterpart to kernel/smp.c
*/
diff --git a/kernel/user-return-notifier.c b/kernel/user-return-notifier.c
index 9586b670a5b27f..870ecd7c63edb3 100644
--- a/kernel/user-return-notifier.c
+++ b/kernel/user-return-notifier.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/user-return-notifier.h>
#include <linux/percpu.h>
diff --git a/kernel/user.c b/kernel/user.c
index 88b834f0eebc50..78b17e36e705c2 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* The "user cache".
*
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 9657315405de63..95aea04ff722fc 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/workqueue.c - generic async execution with shared worker pool
*
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index ce51749cc145f2..a75ee30b77cb8d 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* lib/debug_locks.c
*
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index e26aa4f65eb965..3cb21b2bf088d5 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/random.h>
diff --git a/lib/idr.c b/lib/idr.c
index cb1db9b8d3f6db..c34e256d2f01ac 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/bitmap.h>
#include <linux/bug.h>
#include <linux/export.h>
diff --git a/lib/interval_tree.c b/lib/interval_tree.c
index c85f6600a5f8de..593ce56ece5050 100644
--- a/lib/interval_tree.c
+++ b/lib/interval_tree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/interval_tree.h>
#include <linux/interval_tree_generic.h>
#include <linux/compiler.h>
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index f74fa832f3aa99..f99c41d4eb545e 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/bvec.h>
#include <linux/uio.h>
diff --git a/lib/math/gcd.c b/lib/math/gcd.c
index 7948ab27f0a483..e3b042214d1b7d 100644
--- a/lib/math/gcd.c
+++ b/lib/math/gcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>
diff --git a/lib/math/lcm.c b/lib/math/lcm.c
index 03d7fcb420b5d6..6e0b2e7367007d 100644
--- a/lib/math/lcm.c
+++ b/lib/math/lcm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/compiler.h>
#include <linux/gcd.h>
#include <linux/export.h>
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index da54318d3b5561..071a76c7bac079 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "%s: " fmt "\n", __func__
#include <linux/kernel.h>
diff --git a/lib/sg_pool.c b/lib/sg_pool.c
index d1c1e6388eaa73..cff20df2695e20 100644
--- a/lib/sg_pool.c
+++ b/lib/sg_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/scatterlist.h>
#include <linux/mempool.h>
diff --git a/lib/string_helpers.c b/lib/string_helpers.c
index 29c490e5d47858..4403e1924f7307 100644
--- a/lib/string_helpers.c
+++ b/lib/string_helpers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Helpers for formatting and printing strings
*
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 2f003cfe340ec5..63937044c57d55 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/lib/vsprintf.c
*
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 72e6d0c55cfad9..909dae445ea713 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/wait.h>
#include <linux/backing-dev.h>
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index ef858d547e2d7b..ba739b76e6c52e 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm/balloon_compaction.c
*
diff --git a/mm/filemap.c b/mm/filemap.c
index c5af80c43d3673..df2006ba0cfa51 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/filemap.c
*
diff --git a/mm/gup.c b/mm/gup.c
index 2c08248d4fa279..f173fcbaf1b2c9 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/err.h>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 81718c56b8f5d9..ac843d32b01939 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic hugetlb support.
* (C) Nadia Yvette Chambers, April 2004
diff --git a/mm/list_lru.c b/mm/list_lru.c
index 0730bf8ff39f63..0bdf3152735eb4 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013 Red Hat, Inc. and Parallels Inc. All rights reserved.
* Authors: David Chinner and Glauber Costa
diff --git a/mm/maccess.c b/mm/maccess.c
index ec00be51a24fd6..482d4d670f19ee 100644
--- a/mm/maccess.c
+++ b/mm/maccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Access kernel memory without faulting.
*/
diff --git a/mm/memory.c b/mm/memory.c
index 96f1d473c89ae5..ddf20bd0c3171a 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/memory.c
*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 328878b6799d0c..e096c987d26141 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/memory_hotplug.c
*
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 33917105a3a28c..5c918388de993f 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm_init.c - Memory initialisation verification and debugging
*
diff --git a/mm/mmap.c b/mm/mmap.c
index 2d6a6662edb937..7e8c3e8ae75f12 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm/mmap.c
*
diff --git a/mm/nommu.c b/mm/nommu.c
index b492fd1fcf9ffe..d8c02fbe03b587 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/nommu.c
*
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 539c91d0b26ad3..5a58778c91d46d 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/oom_kill.c
*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 07656485c0e61a..bdbe8b6b122523 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm/page-writeback.c
*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3b13d39141760e..d66bc8abe0afd2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/page_alloc.c
*
diff --git a/mm/readahead.c b/mm/readahead.c
index a4593654a26c02..2fe72cd29b472f 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm/readahead.c - address_space-level file readahead.
*
diff --git a/mm/swap.c b/mm/swap.c
index 3a75722e68a9ee..7ede3eddc12ad9 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/swap.c
*
diff --git a/mm/swapfile.c b/mm/swapfile.c
index cf63b5f01adf7d..596ac98051c5a5 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/swapfile.c
*
diff --git a/mm/truncate.c b/mm/truncate.c
index b7d3c99f00c938..8563339041f68c 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mm/truncate.c - code for taking down pages from address_spaces
*
diff --git a/mm/util.c b/mm/util.c
index e2e4f8c3fa12ab..91682a2090eedd 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/string.h>
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index c42872ed82acb6..233af6936c9377 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/vmalloc.c
*
diff --git a/mm/vmstat.c b/mm/vmstat.c
index a7d493366a65b3..fd7e16ca6996cc 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/mm/vmstat.c
*
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 2db63997f31353..f47f526b4f191b 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
diff --git a/net/compat.c b/net/compat.c
index a031bd33309234..3f9ce609397f14 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* 32bit Socket syscall emulation. Based on arch/sparc64/kernel/sys_sparc32.c.
*
diff --git a/net/core/dst.c b/net/core/dst.c
index 1f13d90cd0e406..e46366228eaf7c 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* net/core/dst.c Protocol independent destination cache.
*
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 548f39dde30711..edd622956083dd 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/export.h>
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 711b161505ac1a..15f68842ac6b4c 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/workqueue.h>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index a0f05416657bbc..dd8b1a460d64d2 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common framework for low-level network console, dump, and debugger code
*
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index af6ad467ed6152..7b6b1d2c3d1091 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 88c5069b5d20c7..c411c87ae865fb 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ac880beda8a76e..bfd0ca554977a7 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
diff --git a/net/ipv4/metrics.c b/net/ipv4/metrics.c
index ca9a5fefdefaec..3205d5f7c8c942 100644
--- a/net/ipv4/metrics.c
+++ b/net/ipv4/metrics.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/types.h>
diff --git a/net/ipv4/netlink.c b/net/ipv4/netlink.c
index d8e3a1fb8e8267..b920e1bdcf5880 100644
--- a/net/ipv4/netlink.c
+++ b/net/ipv4/netlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/types.h>
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index bc6c02f1624383..e1862b64a90fba 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Pluggable TCP congestion control support and newReno
* congestion control.
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 9c2a0d36fb200b..7c35731816e23f 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0c4ed66dc1bf34..f429e856e2631a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c
index baed2186c7c623..0de6935659635f 100644
--- a/net/ipv4/tcp_rate.c
+++ b/net/ipv4/tcp_rate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <net/tcp.h>
/* The bandwidth estimator estimates the rate at which the network
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 2ac23da42dd277..5bad937ce779ef 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c
index 95df7f7f6328b8..3d8a1d83547193 100644
--- a/net/ipv4/tcp_ulp.c
+++ b/net/ipv4/tcp_ulp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Pluggable TCP upper layer protocol support.
*
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 763a947e0d14d3..5b1246635e02ab 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IPv6 library code, needed by static components when full IPv6 support is
* not configured or static.
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index ae365df8abf7ba..11a43ee4dd454b 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IPv6 library code, needed by static components when full IPv6 support is
* not configured or static.
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 868ae23dbae195..af36acc1a64481 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IPv6 library code, needed by static components when full IPv6 support is
* not configured or static. These functions are needed by GSO/GRO implementation.
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index d9558ffb8acf73..9c94baaf693cbb 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 - channel management
*/
diff --git a/net/netfilter/ipset/pfxlen.c b/net/netfilter/ipset/pfxlen.c
index d5be9c25fad602..ff570bff922157 100644
--- a/net/netfilter/ipset/pfxlen.c
+++ b/net/netfilter/ipset/pfxlen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/netfilter/ipset/pfxlen.h>
diff --git a/net/netfilter/ipvs/ip_vs_pe.c b/net/netfilter/ipvs/ip_vs_pe.c
index 0df17caa8af6cb..8e104dff7abc41 100644
--- a/net/netfilter/ipvs/ip_vs_pe.c
+++ b/net/netfilter/ipvs/ip_vs_pe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#define KMSG_COMPONENT "IPVS"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index ee9ab10a32e47b..c2eb365f172375 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ip_conntrack_proto_gre.c - Version 3.0
*
diff --git a/net/netfilter/nf_conntrack_seqadj.c b/net/netfilter/nf_conntrack_seqadj.c
index 9da303461069cd..dc21a43cd145fd 100644
--- a/net/netfilter/nf_conntrack_seqadj.c
+++ b/net/netfilter/nf_conntrack_seqadj.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/netfilter.h>
#include <net/tcp.h>
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 0d603e20b519fe..96825e20368f2b 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a61d6df6e5f64f..3574a212bdc213 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 2e0a6f92e563d7..d024af4be85e8f 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2009, Oracle. All rights reserved.
*
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index e7861026b9e52a..cdb05b48de4498 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/auth.c
*
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c1f1afabd02423..d6e57da56c94df 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/clnt.c
*
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 979d23646e335b..126d31472a995d 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* net/sunrpc/rpc_pipe.c
*
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 2277b7cdad27ff..4a020b6888608b 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* In-kernel rpcbind client supporting versions 2, 3, and 4 of the rpcbind
* protocol
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 1a12fb03e611d4..bb04ae52803ab7 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/sched.c
*
diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index 9faea12624a6b7..1a864f1ed119b0 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/socklib.c
*
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 71166b393732c0..2b6dc7e5f74f64 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/stats.c
*
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2be82782024713..e15cb704453eac 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/svc.c
*
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 9429b28e9ba0d1..869ce773799758 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/svc_xprt.c
*
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index 775b8c94265bc3..550b214cb00156 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/svcauth.c
*
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index f92ef79c8ea56c..5c04ba7d456b22 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/module.h>
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 540fde2804d025..2934dd7117153f 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/svcsock.c
*
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 0bea8ff8b0d389..d75f17b56f0e17 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/sysctl.c
*
diff --git a/net/sunrpc/timer.c b/net/sunrpc/timer.c
index 08881d0c967232..81ae35b3764f23 100644
--- a/net/sunrpc/timer.c
+++ b/net/sunrpc/timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/timer.c
*
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index aa8177ddcbda81..48c93b9e525ee3 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/xdr.c
*
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index a9d40bc7ebed07..ad21880d5601c4 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/xprt.c
*
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 9aed6fe1bf1ad6..d14dab8b6774c2 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* -*- linux-c -*-
* sysctl_net.c: sysctl interface to net subsystem.
*
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fffe4b371e2353..c391b560d98631 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This is the new netlink-based wireless configuration interface.
*
diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h
index 94c7405a541347..8d3cc1552e2f03 100644
--- a/net/wireless/wext-compat.h
+++ b/net/wireless/wext-compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __WEXT_COMPAT
#define __WEXT_COMPAT
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 410233c5681e55..7ce1eda4b1f5e7 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* xfrm_policy.c
*
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index c5d81316330b34..50621d98297073 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* xfrm_state.c
*
diff --git a/scripts/genksyms/keywords.c b/scripts/genksyms/keywords.c
index 9f40bcd17d07f5..e93336baaaeda4 100644
--- a/scripts/genksyms/keywords.c
+++ b/scripts/genksyms/keywords.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
static struct resword {
const char *name;
int token;
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 70e14c67bde73b..d46be47633af4f 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
# Generate tags or cscope files
# Usage tags.sh <mode>
#
diff --git a/sound/hda/array.c b/sound/hda/array.c
index 5dfa610e447188..a204dcee0034fa 100644
--- a/sound/hda/array.c
+++ b/sound/hda/array.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* generic arrays
*/
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 10e5d261fde1f9..14e57ffd5bc198 100644
--- a/sound/hda/hdac_bus.c
+++ b/sound/hda/hdac_bus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio core bus driver
*/
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index b2e9454f5816a0..b02f74528b66de 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio controller helpers
*/
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 4769f4c03e148a..6907dbefd08c17 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio codec core device
*/
diff --git a/sound/hda/hdac_regmap.c b/sound/hda/hdac_regmap.c
index 996dbc8502244a..f399a1552e730e 100644
--- a/sound/hda/hdac_regmap.c
+++ b/sound/hda/hdac_regmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Regmap support for HD-audio verbs
*
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index 76e9b41fcea2cb..55d53b89ac2158 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio stream operations
*/
diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c
index f21633cd9b38ea..886cb7811bd63a 100644
--- a/sound/hda/hdmi_chmap.c
+++ b/sound/hda/hdmi_chmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HDMI Channel map support helpers
*/
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index 1ec706ced75ca4..8272b50b83493f 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio codec driver binding
* Copyright (c) Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_sysfs.c b/sound/pci/hda/hda_sysfs.c
index c154b19a0c4594..fcc34417cbce34 100644
--- a/sound/pci/hda/hda_sysfs.c
+++ b/sound/pci/hda/hda_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sysfs interface for HD-audio codec
*
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index 9d05572370edc4..92748660ba5123 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright 2002 Andi Kleen */
#include <linux/linkage.h>