docs: trace: ring-buffer-design.rst: use the new SPDX tag

SPDX v3.10 gained support for GFDL-1.2 with no invariant sections:

	https://spdx.org/licenses/GFDL-1.2-no-invariants-only.html

Let's use it, instead of keeping a license text for this file.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/dbc9bd9ab30c6862e465343239e82102cbdc0f39.1599628249.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-09-09 07:14:33 +02:00 committed by Jonathan Corbet
parent 307e3ee934
commit e0bc9cf0a7

View File

@ -1,28 +1,4 @@
.. This file is dual-licensed: you can use it either under the terms
.. of the GPL 2.0 or the GFDL 1.2 license, at your option. Note that this
.. dual licensing only applies to this file, and not this project as a
.. whole.
..
.. a) This file is free software; you can redistribute it and/or
.. modify it under the terms of the GNU General Public License as
.. published by the Free Software Foundation version 2 of
.. the License.
..
.. This file is distributed in the hope that it will be useful,
.. but WITHOUT ANY WARRANTY; without even the implied warranty of
.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
.. GNU General Public License for more details.
..
.. Or, alternatively,
..
.. b) Permission is granted to copy, distribute and/or modify this
.. document under the terms of the GNU Free Documentation License,
.. Version 1.2 version published by the Free Software
.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/userspace-api/media/fdl-appendix.rst.
..
.. TODO: replace it to GPL-2.0 OR GFDL-1.2 WITH no-invariant-sections
.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.2-no-invariants-only
===========================
Lockless Ring Buffer Design