Re: [Xen-devel] [PATCH 08/11] add tpmfront, tpm_tis, and tpmback drivers to mini-os

[Matthew Fioravante <matthew.fioravante@xxxxxxxxxx>]

On 10/02/2012 06:57 AM, Ian Campbell wrote:
>> diff --git a/extras/mini-os/include/tpm_tis.h 
>> b/extras/mini-os/include/tpm_tis.h
>> new file mode 100644
>> index 0000000..b463cea
>> --- /dev/null
>> +++ b/extras/mini-os/include/tpm_tis.h
>> @@ -0,0 +1,74 @@
>> +/*
>> + * Copyright (c) 2010-2012 United States Government, as represented by
>> + * the Secretary of Defense.  All rights reserved.
>> + *
>> + * This program is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License version 2
>> + * as published by the Free Software Foundation; or, when distributed
>> + * separately from the Linux kernel or incorporated into other
>> + * software packages, subject to the following license:
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a 
>> copy
>> + * of this source file (the "Software"), to deal in the Software without
>> + * restriction, including without limitation the rights to use, copy, 
>> modify,
>> + * merge, publish, distribute, sublicense, and/or sell copies of the 
>> Software,
>> + * and to permit persons to whom the Software is furnished to do so, 
>> subject to
>> + * the following conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be included 
>> in
>> + * all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
>> OR
>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
>> THE
>> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
>> DEALINGS
>> + * IN THE SOFTWARE.
>> + *
>> + * Based upon the files:
>> + *  drivers/char/tpm/tpm_tis.c
>> + *  drivers/char/tpm/tpm.c
>> + * from the Linux kernel, which are Copyright (C) 2006 IBM Corporation
> Given that then I don't think you have the authority to dual license
> code owned by IBM as GPL or the MIT style thing above -- these files are
> subject to the licensing terms of those original files (which looks to
> be GPL v2 only).
>
> It might be acceptable to have a GPL header as the primary followed by a
> "modifications by Matthew Fioravante/US Gov/Secretary Defense are also
> licensed under... .MIT thing ...." but I'd want to see a second opinion
> on that I think.
>
> I didn't check all the other licensing thoroughly but I expect similar
> comments will apply elsewhere too.
As far as I understand (I'm in no way a copyright lawyer), there is a
difference between copyright and license. What this is trying to convey
is that the changes are copyrighted by the US Govt and the license being
offered is GPLv2.
> Ian.
>
>

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