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

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Message-ID: <ZS5Ka4WZLkmf5ZQ8@fdugast-desk.home>
Date:   Tue, 17 Oct 2023 10:48:43 +0200
From:   Francois Dugast <francois.dugast@...el.com>
To:     Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>
CC:     Danilo Krummrich <dakr@...hat.com>, <daniel@...ll.ch>,
        <airlied@...il.com>, <intel-xe@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-xe] [PATCH] drm/gpuvm: Dual-licence the drm_gpuvm code
 GPL-2.0 OR MIT

On Tue, Oct 17, 2023 at 10:14:59AM +0200, Thomas Hellström wrote:
> 
> On 10/17/23 09:54, Danilo Krummrich wrote:
> > 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>

As this was acked by author:

Reviewed-by: Francois Dugast <francois.dugast@...el.com>

> 
> Thanks, Danilo
> 
> Thomas
> 
> 
> > 
> > > ---
> > >   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
> > >