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

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

> 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.

Ian.



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