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SubjectRe: [PATCH] module: Clarify GPL-Compatible is OK
On Fri, Apr 06, 2012 at 08:01:36PM -0700, Luis R. Rodriguez wrote:
> > I also really don't see how this helps License compliance folks.  If
> > the BSD folks trying to figure out whether or not they can use some
> > piece of code, "GPL-Compatible" is no more useful than as "Dual
> > BSD/GPL".  In fact, Dual BSD/GPL might actually be more useful since
> > at least to me it says it can be used under the BSD or GPL license,
> > which is precisely what the BSD folks need.
> If we are OK with this thread serving as documentation for this then
> so be it, but I still prefer for this to be clarified more. *I* am
> comfortable with this but I know other vendors who did try to achieve
> the same sharing had quite a bit of time trying to validate the
> approach.

I would rather think the obvious clarification would be reading the
d*mn copyright headers. That's going to have much more weight in a
legal dispute in any case. If the answer is that the Linux Foundation
needs to have a bit more basic training about what a Dual License
means in its license compliance services, maybe that's the right thing
--- although if a lawyer doesn't understand how dual licenses work,
I'd suggest that the company find a better lawyer....

> I rather speed help clarify this is a reasonable approach
> and also avoid flamewars like the ones we faced when developers eons
> ago though that we *had* to GPL the OpenBSD ar5k HAL when we ported it
> to Linux for use in ath5k.

So this is a different issue. I assume you are referring to the fact
that include/linux/license.h's license_is_gpl_compatible() doesn't
have a pure BSD option? If that's the issue, then lobby for adding
the line:

+ || strcmp(license, "BSD") == 0

If you are really worried about people being upset that currently, you
have to explicitly add a GPL license to BSD-licensed driver code
before it gets imported into the kernel, and you are trying to
sidestep the issue by adding a "GPL-Compatible" license (on the
grounds that a BSD-only license qualifies as GPl-Compatible), let's
have that debate openly, instead of trying to side-step it by adding
"GPL-compatible" to include/linux/license.h and allowing BSD-only
modules to use GPL-only symbols via a back door.


- Ted
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