linux-kernel - Re: [PATCH v4 4/4] PCI/VGA: Replace full MIT license text with SPDX identifier

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Date:   Fri, 09 Jun 2023 13:58:12 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Sui Jingfeng <suijingfeng@...ngson.cn>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v4 4/4] PCI/VGA: Replace full MIT license text with SPDX
 identifier

On Fri, 09 Jun 2023, Sui Jingfeng <suijingfeng@...ngson.cn> wrote:
> Per Documentation/process/license-rules.rst, the SPDX MIT identifier is
> equivalent to including the entire MIT license text from
> LICENSES/preferred/MIT.
>
> Replace the MIT license text with the equivalent SPDX identifier.
>
> Signed-off-by: Sui Jingfeng <suijingfeng@...ngson.cn>
> ---
>  include/linux/vgaarb.h | 30 +-----------------------------
>  1 file changed, 1 insertion(+), 29 deletions(-)
>
> diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
> index 6d5465f8c3f2..341245205e1c 100644
> --- a/include/linux/vgaarb.h
> +++ b/include/linux/vgaarb.h
> @@ -1,32 +1,4 @@
> -/*
> - * The VGA aribiter manages VGA space routing and VGA resource decode to
> - * allow multiple VGA devices to be used in a system in a safe way.

Why is this being removed?

> - *
> - * (C) Copyright 2005 Benjamin Herrenschmidt <benh@...nel.crashing.org>
> - * (C) Copyright 2007 Paulo R. Zanoni <przanoni@...il.com>
> - * (C) Copyright 2007, 2009 Tiago Vignatti <vignatti@...edesktop.org>

Replacing the license text with SPDX is fine, removing copyright notices
is not.

BR,
Jani.

> - *
> - * 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
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> - * DEALINGS
> - * IN THE SOFTWARE.
> - *
> - */
> +/* SPDX-License-Identifier: MIT */
>  
>  #ifndef LINUX_VGA_H
>  #define LINUX_VGA_H

-- 
Jani Nikula, Intel Open Source Graphics Center