linux-kernel - Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

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Date:	Mon, 18 Jun 2007 13:46:15 -0700 (PDT)
From:	david@...g.hm
To:	Alexandre Oliva <aoliva@...hat.com>
cc:	Anders Larsen <al@...rsen.net>, Ingo Molnar <mingo@...e.hu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Daniel Hazelton <dhazelton@...er.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg KH <greg@...ah.com>,
	debian developer <debiandev@...il.com>,
	Tarkan Erimer <tarkan@...one.net.tr>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

On Mon, 18 Jun 2007, Alexandre Oliva wrote:

> On Jun 18, 2007, david@...g.hm wrote:
>
>> they want to prevent anyone from modifying the credit card machine to
>> store copies of all the card info locally.
>
> I see.  Thanks for enlightening me.
>
>> you don't really answer this issue. since these boxes are required to
>> be sealed and physically anti-tamper, changing the ROM is not
>> acceptable.
>
> Given the ROM exception in GPLv3, I guess you could seal and
> anti-tamper it as much as you want, and leave the ROM at such a place
> in which it's easily replaceable but with signature checking and all
> such that the user doesn't install ROM that is not authorized by you.

'sealed, but easy to replace ROM containing the programming' is a 
contridiction.

if a local person can easily replace the programming it doesn't meet the 
PCI requirements and therefor you just cannot use GPLv3 code for this sort 
of application.

David Lang
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