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vfio/pci: Cleanup license mess

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The recently added nvlink2 VFIO driver introduced a license conflict in two
files. In both cases the SPDX license identifier is:

  SPDX-License-Identifier: GPL-2.0+

but the files contain also the following license boiler plate text:

  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation

The latter is GPL-2.9-only and not GPL-2.0=.

Looking deeper. The nvlink source file is derived from vfio_pci_igd.c which
is also licensed under GPL-2.0-only and it can be assumed that the file was
copied and modified. As the original file is licensed GPL-2.0-only it's not
possible to relicense derivative work to GPL-2.0-or-later.

Fix the SPDX identifier and remove the boiler plate as it is redundant.

Fixes: 7f92891778 ("vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: kvm@vger.kernel.org
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Thomas Gleixner 2019-01-18 00:14:25 +01:00 committed by Alex Williamson
parent 49a57857ae
commit 33e5ee780e
2 changed files with 2 additions and 10 deletions
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6
drivers/vfio/pci/trace.h
View File

@ -1,13 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* VFIO PCI mmap/mmap_fault tracepoints
*
* Copyright (C) 2018 IBM Corp. All rights reserved.
* Author: Alexey Kardashevskiy <aik@ozlabs.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef TRACE_SYSTEM

6
drivers/vfio/pci/vfio_pci_nvlink2.c
View File

@ -1,14 +1,10 @@
// SPDX-License-Identifier: GPL-2.0+
// SPDX-License-Identifier: GPL-2.0-only
/*
* VFIO PCI NVIDIA Whitherspoon GPU support a.k.a. NVLink2.
*
* Copyright (C) 2018 IBM Corp. All rights reserved.
* Author: Alexey Kardashevskiy <aik@ozlabs.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Register an on-GPU RAM region for cacheable access.
*
* Derived from original vfio_pci_igd.c: