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Re: [PATCH 2/3] xen/ppc: Implement early serial printk on PaPR/pseries
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 9 Jun 2023 10:43:49 +0100
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- Cc: tpearson@xxxxxxxxxxxxxxxxxxxxx, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Shawn Anastasio <shawnanastasio@xxxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Shawn Anastasio <shawn@xxxxxxxxxx>
- Delivery-date: Fri, 09 Jun 2023 09:44:12 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09/06/2023 10:38 am, Jan Beulich wrote:
> On 09.06.2023 11:29, Andrew Cooper wrote:
>> On 09/06/2023 10:22 am, Jan Beulich wrote:
>>>> --- /dev/null
>>>> +++ b/xen/arch/ppc/boot_of.c
>>>> @@ -0,0 +1,122 @@
>>>> +/* SPDX-License-Identifier: GPL-2.0-or-later */
>>> By default we mean to use ...
>>>
>>>> --- /dev/null
>>>> +++ b/xen/arch/ppc/early_printk.c
>>>> @@ -0,0 +1,36 @@
>>>> +/* SPDX-License-Identifier: GPL-2.0 */
>>> ... the more modern form of this (GPL-2.0-only). Anything deviating from
>>> that may want justifying in the description.
>> GPL-2.0-or-later is fine.
> Hmm, I was merely following
> https://lists.xen.org/archives/html/xen-devel/2023-06/msg00415.html.
> The text at the top of ./COPYING looks to suggest -only, and I'm
> unaware of any other place where our default is actually written down.
The license is chosen by the submitter/copyright holder, based on their
preferences/wishes.
It's fine for Xen to say "if you've got no vested interest, we recommend
GPL-2.0-only", but that is strictly a recommendation and no more.
If the submitter chooses GPL-2.0-or-later, that is their prerogative.
We have plenty of GPL-2.0-or-later code in Xen.
~Andrew
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