linux-kernel - Re: [PATCH] drm/gpuvm: Dual-licence the drm

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Message-ID: <ZS49uJq9kqJ2ueOv@polis>
Date:   Tue, 17 Oct 2023 09:54:32 +0200
From:   Danilo Krummrich <dakr@...hat.com>
To:     Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>
Cc:     intel-xe@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        airlied@...il.com, daniel@...ll.ch, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/gpuvm: Dual-licence the drm_gpuvm code GPL-2.0 OR MIT

On Tue, Oct 10, 2023 at 04:27:24PM +0200, Thomas Hellström wrote:
> Dual-licence in order to make it possible for other non-GPL os'es
> to re-implement the code. The use of EXPORT_SYMBOL_GPL() is intentionally
> left untouched to prevent use of drm_gpuvm as a proxy for non-GPL drivers
> to access GPL-only kernel symbols.
> 
> Much of the ideas and algorithms used in the drm_gpuvm code is already
> present in one way or another in MIT-licensed code.
> 
> Cc: Danilo Krummrich <dakr@...hat.com>
> Cc: airlied@...il.com
> Cc: daniel@...ll.ch
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Thomas Hellström <thomas.hellstrom@...ux.intel.com>

Acked-by: Danilo Krummrich <dakr@...hat.com>

> ---
>  drivers/gpu/drm/drm_gpuvm.c | 2 +-
>  include/drm/drm_gpuvm.h     | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
> index 02ce6baacdad..08c088319652 100644
> --- a/drivers/gpu/drm/drm_gpuvm.c
> +++ b/drivers/gpu/drm/drm_gpuvm.c
> @@ -1,4 +1,4 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>  /*
>   * Copyright (c) 2022 Red Hat.
>   *
> diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
> index 361fea5cb849..21bbf11415b3 100644
> --- a/include/drm/drm_gpuvm.h
> +++ b/include/drm/drm_gpuvm.h
> @@ -1,4 +1,4 @@
> -/* SPDX-License-Identifier: GPL-2.0-only */
> +/* SPDX-License-Identifier: GPL-2.0 OR MIT */
>  
>  #ifndef __DRM_GPUVM_H__
>  #define __DRM_GPUVM_H__
> -- 
> 2.41.0
>