+ xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd.patch added to mm-nonmm-unstable branch

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The patch titled
     Subject: xz: switch from public domain to BSD Zero Clause License (0BSD)
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Lasse Collin <lasse.collin@xxxxxxxxxxx>
Subject: xz: switch from public domain to BSD Zero Clause License (0BSD)
Date: Sun, 21 Jul 2024 16:36:18 +0300

Remove the public domain notices and add SPDX license identifiers.

Change MODULE_LICENSE from "GPL" to "Dual BSD/GPL" because 0BSD should
count as a BSD license variant here.

The switch to 0BSD was done in the upstream XZ Embedded project because
public domain has (real or perceived) legal issues in some jurisdictions.

Link: https://lkml.kernel.org/r/20240721133633.47721-4-lasse.collin@xxxxxxxxxxx
Signed-off-by: Lasse Collin <lasse.collin@xxxxxxxxxxx>
Reviewed-by: Sam James <sam@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Joel Stanley <joel@xxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Jubin Zhong <zhongjubin@xxxxxxxxxx>
Cc: Jules Maselbas <jmaselbas@xxxxxxxx>
Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Rui Li <me@xxxxxxxxx>
Cc: Simon Glass <sjg@xxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/decompress/unxz.h |    5 ++---
 include/linux/xz.h              |    5 ++---
 lib/decompress_unxz.c           |    5 ++---
 lib/xz/xz_crc32.c               |    5 ++---
 lib/xz/xz_dec_bcj.c             |    5 ++---
 lib/xz/xz_dec_lzma2.c           |    5 ++---
 lib/xz/xz_dec_stream.c          |    5 ++---
 lib/xz/xz_dec_syms.c            |   12 +++---------
 lib/xz/xz_dec_test.c            |   12 +++---------
 lib/xz/xz_lzma2.h               |    5 ++---
 lib/xz/xz_private.h             |    5 ++---
 lib/xz/xz_stream.h              |    5 ++---
 scripts/xz_wrap.sh              |    5 +----
 13 files changed, 27 insertions(+), 52 deletions(-)

--- a/include/linux/decompress/unxz.h~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/include/linux/decompress/unxz.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #ifndef DECOMPRESS_UNXZ_H
--- a/include/linux/xz.h~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/include/linux/xz.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * XZ decompressor
  *
  * Authors: Lasse Collin <lasse.collin@xxxxxxxxxxx>
  *          Igor Pavlov <https://7-zip.org/>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #ifndef XZ_H
--- a/lib/decompress_unxz.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/decompress_unxz.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 /*
--- a/lib/xz/xz_crc32.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_crc32.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * CRC32 using the polynomial from IEEE-802.3
  *
  * Authors: Lasse Collin <lasse.collin@xxxxxxxxxxx>
  *          Igor Pavlov <https://7-zip.org/>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 /*
--- a/lib/xz/xz_dec_bcj.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_dec_bcj.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * Branch/Call/Jump (BCJ) filter decoders
  *
  * Authors: Lasse Collin <lasse.collin@xxxxxxxxxxx>
  *          Igor Pavlov <https://7-zip.org/>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #include "xz_private.h"
--- a/lib/xz/xz_dec_lzma2.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_dec_lzma2.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * LZMA2 decoder
  *
  * Authors: Lasse Collin <lasse.collin@xxxxxxxxxxx>
  *          Igor Pavlov <https://7-zip.org/>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #include "xz_private.h"
--- a/lib/xz/xz_dec_stream.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_dec_stream.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * .xz Stream decoder
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #include "xz_private.h"
--- a/lib/xz/xz_dec_syms.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_dec_syms.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * XZ decoder module information
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #include <linux/module.h>
@@ -25,9 +24,4 @@ EXPORT_SYMBOL(xz_dec_microlzma_end);
 MODULE_DESCRIPTION("XZ decompressor");
 MODULE_VERSION("1.1");
 MODULE_AUTHOR("Lasse Collin <lasse.collin@xxxxxxxxxxx> and Igor Pavlov");
-
-/*
- * This code is in the public domain, but in Linux it's simplest to just
- * say it's GPL and consider the authors as the copyright holders.
- */
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
--- a/lib/xz/xz_dec_test.c~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_dec_test.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: 0BSD
+
 /*
  * XZ decoder tester
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #include <linux/kernel.h>
@@ -212,9 +211,4 @@ module_exit(xz_dec_test_exit);
 MODULE_DESCRIPTION("XZ decompressor tester");
 MODULE_VERSION("1.0");
 MODULE_AUTHOR("Lasse Collin <lasse.collin@xxxxxxxxxxx>");
-
-/*
- * This code is in the public domain, but in Linux it's simplest to just
- * say it's GPL and consider the authors as the copyright holders.
- */
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
--- a/lib/xz/xz_lzma2.h~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_lzma2.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * LZMA2 definitions
  *
  * Authors: Lasse Collin <lasse.collin@xxxxxxxxxxx>
  *          Igor Pavlov <https://7-zip.org/>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #ifndef XZ_LZMA2_H
--- a/lib/xz/xz_private.h~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_private.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Private includes and definitions
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #ifndef XZ_PRIVATE_H
--- a/lib/xz/xz_stream.h~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/lib/xz/xz_stream.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Definitions for handling the .xz file format
  *
  * Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
  */
 
 #ifndef XZ_STREAM_H
--- a/scripts/xz_wrap.sh~xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd
+++ a/scripts/xz_wrap.sh
@@ -1,13 +1,10 @@
 #!/bin/sh
+# SPDX-License-Identifier: 0BSD
 #
 # This is a wrapper for xz to compress the kernel image using appropriate
 # compression options depending on the architecture.
 #
 # Author: Lasse Collin <lasse.collin@xxxxxxxxxxx>
-#
-# This file has been put into the public domain.
-# You can do whatever you want with this file.
-#
 
 BCJ=
 LZMA2OPTS=
_

Patches currently in -mm which might be from lasse.collin@xxxxxxxxxxx are

maintainers-add-xz-embedded-maintainer.patch
licenses-add-0bsd-license-text.patch
xz-switch-from-public-domain-to-bsd-zero-clause-license-0bsd.patch
xz-fix-comments-and-coding-style.patch
xz-fix-kernel-doc-formatting-errors-in-xzh.patch
xz-improve-the-microlzma-kernel-doc-in-xzh.patch
xz-documentation-staging-xzrst-revise-thoroughly.patch
docs-add-xz_extern-to-c_id_attributes.patch
xz-cleanup-crc32-edits-from-2018.patch
xz-optimize-for-loop-conditions-in-the-bcj-decoders.patch
xz-add-arm64-bcj-filter.patch
xz-add-risc-v-bcj-filter.patch
xz-use-128-mib-dictionary-and-force-single-threaded-mode.patch
xz-adjust-arch-specific-options-for-better-kernel-compression.patch
arm64-boot-add-imagexz-support.patch
riscv-boot-add-imagexz-support.patch





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