Re: [kvm-unit-tests PATCH 2/2] s390x: lib: Move to GPL 2 and SPDX license identifiers

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On 08.12.20 16:09, Janosch Frank wrote:
> In the past we had some issues when developers wanted to use code
> snippets or constants from the kernel in a test or in the library. To
> remedy that the s390x maintainers decided to move all files to GPL 2
> (if possible).
> 
> At the same time let's move to SPDX identifiers as they are much nicer
> to read.
> 
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> ---
>  lib/s390x/asm-offsets.c     | 4 +---
>  lib/s390x/asm/arch_def.h    | 4 +---
>  lib/s390x/asm/asm-offsets.h | 4 +---
>  lib/s390x/asm/barrier.h     | 4 +---
>  lib/s390x/asm/cpacf.h       | 1 +
>  lib/s390x/asm/facility.h    | 4 +---
>  lib/s390x/asm/float.h       | 4 +---
>  lib/s390x/asm/interrupt.h   | 4 +---
>  lib/s390x/asm/io.h          | 4 +---
>  lib/s390x/asm/mem.h         | 4 +---
>  lib/s390x/asm/page.h        | 4 +---
>  lib/s390x/asm/pgtable.h     | 4 +---
>  lib/s390x/asm/sigp.h        | 4 +---
>  lib/s390x/asm/spinlock.h    | 4 +---
>  lib/s390x/asm/stack.h       | 4 +---
>  lib/s390x/asm/time.h        | 4 +---
>  lib/s390x/css.h             | 4 +---
>  lib/s390x/css_dump.c        | 4 +---
>  lib/s390x/css_lib.c         | 4 +---
>  lib/s390x/interrupt.c       | 4 +---
>  lib/s390x/io.c              | 4 +---
>  lib/s390x/mmu.c             | 4 +---
>  lib/s390x/mmu.h             | 4 +---
>  lib/s390x/sclp-console.c    | 5 +----
>  lib/s390x/sclp.c            | 4 +---
>  lib/s390x/sclp.h            | 5 +----
>  lib/s390x/smp.c             | 4 +---
>  lib/s390x/smp.h             | 4 +---
>  lib/s390x/stack.c           | 4 +---
>  lib/s390x/vm.c              | 3 +--
>  lib/s390x/vm.h              | 3 +--
>  31 files changed, 31 insertions(+), 90 deletions(-)
> 
> diff --git a/lib/s390x/asm-offsets.c b/lib/s390x/asm-offsets.c
> index 61d2658..ee94ed3 100644
> --- a/lib/s390x/asm-offsets.c
> +++ b/lib/s390x/asm-offsets.c
> @@ -1,11 +1,9 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
>  /*
>   * Copyright (c) 2017 Red Hat Inc
>   *
>   * Authors:
>   *  David Hildenbrand <david@xxxxxxxxxx>
> - *
> - * This code is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU Library General Public License version 2.
>   */
>  #include <libcflat.h>
>  #include <kbuild.h>
> diff --git a/lib/s390x/asm/arch_def.h b/lib/s390x/asm/arch_def.h
> index edc06ef..f3ab830 100644
> --- a/lib/s390x/asm/arch_def.h
> +++ b/lib/s390x/asm/arch_def.h
> @@ -1,11 +1,9 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
>  /*
>   * Copyright (c) 2017 Red Hat Inc
>   *
>   * Authors:
>   *  David Hildenbrand <david@xxxxxxxxxx>
> - *
> - * This code is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU Library General Public License version 2.
>   */
>  #ifndef _ASM_S390X_ARCH_DEF_H_
>  #define _ASM_S390X_ARCH_DEF_H_
> diff --git a/lib/s390x/asm/asm-offsets.h b/lib/s390x/asm/asm-offsets.h
> index a6d7af8..bed7f8e 100644
> --- a/lib/s390x/asm/asm-offsets.h
> +++ b/lib/s390x/asm/asm-offsets.h
> @@ -1,10 +1,8 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
>  /*
>   * Copyright (c) 2017 Red Hat Inc
>   *
>   * Authors:
>   *  David Hildenbrand <david@xxxxxxxxxx>
> - *
> - * This code is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU Library General Public License version 2.
>   */
>  #include <generated/asm-offsets.h>
> diff --git a/lib/s390x/asm/barrier.h b/lib/s390x/asm/barrier.h
> index d862e78..8e2fd6d 100644
> --- a/lib/s390x/asm/barrier.h
> +++ b/lib/s390x/asm/barrier.h
> @@ -1,12 +1,10 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
>  /*
>   * Copyright (c) 2017 Red Hat Inc
>   *
>   * Authors:
>   *  Thomas Huth <thuth@xxxxxxxxxx>
>   *  David Hildenbrand <david@xxxxxxxxxx>
> - *
> - * This code is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU Library General Public License version 2.
>   */
>  #ifndef _ASM_S390X_BARRIER_H_
>  #define _ASM_S390X_BARRIER_H_
> diff --git a/lib/s390x/asm/cpacf.h b/lib/s390x/asm/cpacf.h
> index 2146a01..805fcf1 100644
> --- a/lib/s390x/asm/cpacf.h
> +++ b/lib/s390x/asm/cpacf.h
> @@ -1,3 +1,4 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
>  /*
>   * CP Assist for Cryptographic Functions (CPACF)
>   *

This file was originally copied from Linux v4.13. So I'm wondering if
this should be

SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note

instead. Doesn't make a real difference in practice I guess?

-- 
Thanks,

David / dhildenb




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