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SubjectRe: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
On Jun 18, 2007, "David Schwartz" <> wrote:

>> On Jun 17, 2007, Alan Cox <> wrote:
>> >> I don't know any law that requires tivoization.
>> > In the USSA it is arguable that wireless might need it (if done in
>> > software) for certain properties. (The argument being it must be
>> > tamperproof to random end consumers).
>> But this is not tivoization.

>> Tivoization is a manufacturer using technical measures to prevent the
>> user from tampering (*) with the device, *while* keeping the ability
>> to tamper with it changes itself.

> You're splitting those hairs might finely.

And I was wrong. Please see the "mea culpa on the meaning of
tivoization" thread.

> So when you ask whether there's any law that "requirse tivoization",
> you won't accept a law that creates a situation where the only
> practical solution is tivoization?

I guess it amounts to what you mean by "*only* practical solution".

"I can't fit the corresponding sources in this CD, so you won't get
them." is no excuse to disrespect users' freedoms, why should this be

>> Taking it further, do you know whether any such law requires
>> *worldwide* tivoization, as in, applying the restrictions in the law
>> even outside its own jurisdiction?

> A law that requires certaint things be tamper-proof, where engineering
> realities requires that they be controlled by software and the software be
> upgradable (for security reasons and for support of future protocol
> revisions) isn't good enough for you?

"engineering realities" is the weak point of your argument, see above.
Is ROM still software? Is replaceable ROM still software?

Alexandre Oliva
FSF Latin America Board Member
Red Hat Compiler Engineer aoliva@{,}
Free Software Evangelist oliva@{,}
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