Am Donnerstag 09 August 2007 01:40 schrieb Alan Cox:
> > On the other hand, given that we've always said that closed-source stuff in
> > userspace is OK, the only way to not let *that* horse out of the barn is to
> > not merge UIO at all.
>
> It really makes no difference whether it is merged or not. The test is
> "derivative work" and not 'linking'.
>
> A user space driver that is unusuable without a specific GPL kernel chunk
> is quite likely to be a derived work of the GPL kernel module
I disagree. UIO is a documented kernel<->userspace interface, like sysfs
or proc. Using your argument, we would also have to say that a userspace
software that is unusable without sysfs is a derived work of the kernel.
But IANAL, tell me if I missed an important point.
> so the
> documentation is giving poor advice however
I guess you mean this sentence:
"if you need to keep some parts of your driver closed source, you can do so
without violating the GPL license on the kernel."
What would you write instead?
Thanks,
Hans
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