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From: Julien Grall <julien.grall@arm.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: "tee-dev@lists.linaro.org" <tee-dev@lists.linaro.org>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	"lars.kurth@citrix.com" <lars.kurth@citrix.com>
Subject: Re: [Xen-devel] [PATCH v6 02/10] xen/arm: optee: add OP-TEE header files
Date: Mon, 17 Jun 2019 17:34:36 +0100
Message-ID: <3274e117-4e51-5360-8f94-ece7a6981998@arm.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1906170926150.2072@sstabellini-ThinkPad-T480s>



On 17/06/2019 17:28, Stefano Stabellini wrote:
> Looking at https://www.gnu.org/licenses/license-list.en.html and also
> looking at the usage in the Linux kernel, I am pretty sure it is
> compatible. However, given that the Xen hypervisor as a whole is GPLv2,
> I think it would be more precise to say:
> 
> SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

Well, this is imported from OP-TEE. So I don't think we have the freedom to 
change this copyright header here...

What I was asking is whether this is OK to import BSD-2-Clause code in Xen. You 
seem to agree that it should be possible.

I will give a chance to Lars to answer. I will commit #1-8 tomorrow evening.

Cheers,

> 
> 
> On Mon, 17 Jun 2019, Julien Grall wrote:
>> hmm, I forgot to CC lars. Sorry for that.
>>
>> Cheers,
>>
>> On 15/06/2019 19:39, Julien Grall wrote:
>>> (+ Lars)
>>>
>>> Hi,
>>>
>>> On 6/11/19 7:46 PM, Volodymyr Babchuk wrote:
>>>> diff --git a/xen/include/asm-arm/tee/optee_msg.h
>>>> b/xen/include/asm-arm/tee/optee_msg.h
>>>> new file mode 100644
>>>> index 0000000000..fe743dbde3
>>>> --- /dev/null
>>>> +++ b/xen/include/asm-arm/tee/optee_msg.h
>>>> @@ -0,0 +1,310 @@
>>>> +/* SPDX-License-Identifier: BSD-2-Clause */
>>>
>>> Hmmm, sorry I haven't noticed it until now (SDPX is more explicit that the
>>> full-blown license). I suspect this is fine to have BSD-2 Clause license in
>>> Xen but I want to confirmation from someone knowing more than me about
>>> license compatibility. Lars?
>>>
>>> If this is fine, then I would like to add a word in the commit message (I am
>>> happy to do that on commit).
>>>
>>> Cheers,
>>>
>>
>> -- 
>> Julien Grall
>>

-- 
Julien Grall

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  reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-11 18:46 [Xen-devel] [PATCH v6 00/10] TEE mediator (and OP-TEE) support in XEN Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 01/10] xen/arm: add generic TEE mediator framework Volodymyr Babchuk
2019-06-17 16:11   ` Stefano Stabellini
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 02/10] xen/arm: optee: add OP-TEE header files Volodymyr Babchuk
2019-06-15 18:39   ` Julien Grall
2019-06-17 15:24     ` Julien Grall
2019-06-17 16:28       ` Stefano Stabellini
2019-06-17 16:34         ` Julien Grall [this message]
2019-06-17 17:28           ` Stefano Stabellini
2019-06-19  8:20             ` Lars Kurth
2019-06-19 10:26               ` Julien Grall
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 03/10] xen/arm: optee: add OP-TEE mediator skeleton Volodymyr Babchuk
2019-06-19 11:01   ` Julien Grall
2019-06-19 11:03     ` Julien Grall
2019-06-19 15:44       ` Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 04/10] xen/arm: optee: add fast calls handling Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 05/10] xen/arm: optee: add std call handling Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 06/10] xen/arm: optee: add support for RPC SHM buffers Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 07/10] xen/arm: optee: add support for arbitrary shared memory Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 08/10] xen/arm: optee: add support for RPC commands Volodymyr Babchuk
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 09/10] tools/arm: tee: add "tee" option for xl.cfg Volodymyr Babchuk
2019-06-15 19:10   ` Julien Grall
2019-06-18 11:19     ` Volodymyr Babchuk
2019-06-18 12:49       ` Julien Grall
2019-06-18 14:30         ` Volodymyr Babchuk
2019-06-18 15:19           ` Julien Grall
2019-06-18 15:23             ` Volodymyr Babchuk
2019-06-19 10:30               ` Julien Grall
2019-06-11 18:46 ` [Xen-devel] [PATCH v6 10/10] tools/arm: optee: create optee firmware node in DT if tee=optee Volodymyr Babchuk
2019-06-19 11:08 ` [Xen-devel] [PATCH v6 00/10] TEE mediator (and OP-TEE) support in XEN Julien Grall

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