Re: [PATCH v2] gpu/drm_memory: fix a few warnings

[J Lovejoy <opensource@xxxxxxxxxxx>]

On Jul 8, 2019, at 1:57 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

On Mon, 8 Jul 2019, Qian Cai wrote:

On Mon, 2019-07-08 at 15:21 -0400, Ilia Mirkin wrote:

-/**
+// SPDX-License-Identifier: MIT
+/*
  * \file drm_memory.c
  * Memory management wrappers for DRM
  *
@@ -12,25 +13,6 @@
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
"Software"),
- * to deal in the Software without restriction, including without
limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
next
- * paragraph) shall be included in all copies or substantial portions of
the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES
OR

This talks about VA Linux Systems and/or its suppliers, while the MIT
licence talks about authors or copyright holders.

That's looks lika a valid substitution and does not change the meaning of
the license, AFAICT. 

As of the 3.6 release of the SPDX License List, we will have added markup to denote that the name in the disclaimer can be changed and still considered a match. This is a common scenario in other licenses (like the BSD family), but I don’t think we’d come across it until the work on the kernel and adding SPDX identifiers. So, yes, MIT would be the correct SPDX identifier here as of 3.6 (which will be posted in a few days).

For reference, the SPDX License List matching guidelines can be found here: https://spdx.org/spdx-license-list/matching-guidelines - see Guideline 2.1.3 specifically. Replaceable text is marked up in the master files that comprise the SPDX License List according the the XML schema and then displayed in color coded text on the website pages (see, for example, BSD-3-Clause - https://spdx.org/licenses/BSD-3-Clause.html

Of course, if anyone finds any other license text that deserves this kind of accommodation, you can always make a PR here: https://github.com/spdx/license-list-XML :)

thanks,
Jilayne
SPDX legal team co-lead

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