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

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Date:   Tue, 17 Oct 2023 10:14:59 +0200
From:   Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>
To:     Danilo Krummrich <dakr@...hat.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 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>

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
>>