linux-kernel - Re: [PATCH] Add LZO1X compression support to the kernel

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Message-ID: <4646FDA9.8070100@oberhumer.com>
Date:	Sun, 13 May 2007 13:59:37 +0200
From:	"Markus F.X.J. Oberhumer" <markus@...rhumer.com>
To:	Richard Purdie <richard@...nedhand.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>,
	LKML <linux-kernel@...r.kernel.org>,
	torvalds@...ux-foundation.org,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH] Add LZO1X compression support to the kernel

Richard Purdie wrote:
> On Sat, 2007-05-12 at 09:47 -0700, Andrew Morton wrote:
>> On Sat, 12 May 2007 16:17:35 +0100 Richard Purdie <richard@...nedhand.com> wrote:
>>
>>> On Sat, 2007-05-12 at 13:17 +0200, Adrian Bunk wrote:
>>>> On Wed, May 02, 2007 at 09:56:23AM +0100, Richard Purdie wrote:
>>>>> ...
>>>>> I've asked the LZO author about the comments on lzo_copyright function
>>>>> but the code is GPLv2 licensed so is suitable for inclusion in the
>>>>> kernel.
>>>> This sounds as if LZO is GPL incompatible similar to code under
>>>> the 4 clause BSD licence.
>>>>
>>>>> ...
>>>>> +/* If you use the LZO library in a product, you *must* keep this
>>>>> + * copyright string in the executable of your product.
>>>>> + */
>>> I've had a reply from the copyright holder/author saying he's going to
>>> change this wording in the next LZO release and that the code *is* GPLv2
>>> licensed as per the headers on the files.
>>>
>> It would be ideal if the author of that code could send us a
>> signed-off-by: as per secton 11 of Documentation/SubmittingPatches.  
> 
> Section 11b says I can submit it but I've asked the author about a
> signed off by line (he's cc'd) for the alleviation of any doubt.

I agree that the comment does conflict with the GPL. Just to avoid any doubts, 
LZO _is_ GPL v2, and I will fix that comment for the next version. Please 
accept my signed-off-by for Richard's kernel patch in the meantime.

   Signed-off-by: Markus F.X.J. Oberhumer <markus@...rhumer.com>

~Markus


> 
> Cheers,
> 
> Richard
> 
> 

-- 
Markus Oberhumer, <markus@...rhumer.com>, http://www.oberhumer.com/
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