linux-kernel - Re: [PATCH] efi: libstub: add support for the apple_set

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Date: Sun, 30 Jun 2024 12:09:43 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Ard Biesheuvel <ardb@...nel.org>
CC: Lukas Wunner <lukas@...ner.de>, Hans de Goede <hdegoede@...hat.com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>, Linux Kernel Mailing
 List <linux-kernel@...r.kernel.org>, Orlando Chamberlain
	<orlandoch.dev@...il.com>, Kerem Karabay <kekrby@...il.com>
Subject: Re: [PATCH] efi: libstub: add support for the apple_set_os protocol


> No. You cannot simply add a signed-off-by on someone else's behalf,
> even if you cc the person.
> 
> Andreas contributed code to GRUB (which is a GPLv3 project), and had
> no involvement whatsoever in creating this patch.
> 
> A signed-off-by is a statement on the part of the contributor (which
> may or may not be the author) that the contribution in question
> complies with the requirements imposed by the project in terms of
> copyright and licensing. Linux is GPLv2 not v3, so this code should at
> least be dual licensed in order to be reused directly.
> 
> I did not look at the GRUB patch, and IANAL, but this code invokes an
> Apple provided protocol (which is proprietary) in a hardcoded way for
> interoperability purposes, and so there is not much to
> copyright/license anyway. I would be fine with having just your
> signoff on this patch, but you could ask Andreas for a GPLv2+3 version
> of his GRUB patch if you are not sure.
> 

Code similar to the patch sent by Andreas uses MIT license

https://github.com/0xbb/apple_set_os.efi