linux-kernel - Re: EXPORT_SYMBOL

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Message-ID: <1fcb3716-308f-49b8-b84f-2225aa2a1fb8@tuxedocomputers.com>
Date: Tue, 12 Nov 2024 09:34:29 +0100
From: Werner Sembach <wse@...edocomputers.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 Christoffer Sandberg <cs@...edo.de>
Subject: Re: EXPORT_SYMBOL_GPL with GPLv3

Hi,

Am 12.11.24 um 06:00 schrieb Christoph Hellwig:
> On Mon, Nov 11, 2024 at 07:40:25PM +0100, Werner Sembach wrote:
>> Hi,
>>
>> asking at the source: Can EXPORT_SYMBOL_GPL-exports be used with out of tree
>> GPLv3 licensed modules?
> No.  The kernel as whole is licencsed as GPLv2, not GPLv2+.
>
Yes, but the documentation for EXPORT_SYMBOL_GPL only talks about 
"GPL-compatible" and external linking for EXPORT_SYMBOL-exports is even legal 
with proprietary code. So to my understanding, it comes down to what 
EXPORT_SYMBOL_GPL means and not what's the license of the code behind it is.

Kind Regards,

Werner Sembach