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    SubjectRe: patent on O_ATOMICLOOKUP [Re: [PATCH] loopable tmpfs (2.4.17)]
    Hi,

    On Sun, 26 May 2002, David Woodhouse wrote:

    > > > To get a free patent license, EVERYTHING must be GPL.
    > > > Not just the real-time part! So that would be:
    > > >
    > > > 1. the RT microkernel (OK)
    > > > 2. the RT "app" (OK)
    > > > 3. Linux itself (OK)
    > > > 4. normal Linux apps (ouch!)
    >
    > > Whether that is true or not I don't know. But I do know that if all
    > > the stuff was GPLed, then you are safe no matter what, right?
    >
    > It's been asserted that the patent licence requires that _all_ userspace
    > apps running on the system by GPL'd. Yet there are many Free Software
    > applications in a standard Linux distribution that are under
    > GPL-incompatible licences. Apache, xinetd, etc...
    >
    > If that interpretation is true, it _would_ be a problem, and not just for
    > those trying to make money from it.

    It is a possible interpretation. The problem is that there is very broad
    patent, a very vague patent licence and patent owner, who refuses to
    answer the most simple questions. :-(

    bye, Roman

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