Re: [Xen-devel] libxenvchan license (lGPLv2.1) and xen/include/public/COPYING license?

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Tue, Jun 07, 2016 at 04:54:42PM +0100, Ian Jackson wrote:
> Konrad Rzeszutek Wilk writes ("Re: [Xen-devel] libxenvchan license (lGPLv2.1) 
> and xen/include/public/COPYING license?"):
> > On Mon, Jun 06, 2016 at 05:36:23PM -0400, Konrad Rzeszutek Wilk wrote:
> > > I picked the list of people on this email from the git log on 
> > > tools/misc/libvchan/
> > > (albeit this is about xen/include/public/io/libxenvchan.h).
> > > 
> > > The problem is that the 'COPYING' file in the root directory of Xen 
> > > source 
> > > says:
> ...
> > > Also it is in FreeBSD (source tree): ./sys/xen/interface/io/libxenvchan.h
> > > 
> > > That looks to be an oversigh. The commit that introduced the file is:
> > > commit 1a16a3351ff2f2cf9f0cc0a27c89a0652eb8dfb4
> > > Author: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
> > > Date:   Thu Oct 6 19:44:40 2011 +0100
> > > 
> > >     libvchan: interdomain communications library
> > > 
> > > As such I was wondering if the folks who wrote/checked the file in
> > > could weight in on what their intention was in regards to this file?
> 
> ISTM that at the very least the libxenvchan.h file should indeed be
> covered by the permissive ("BSD-style") licence.
> 
> If we intend for this library to be used in the BSDs (much like
> in-kernel frontends) then the whole library should have a permissive
> licence.
> 
> I did
>   git-log --pretty='format:%an <%ae>' xen/include/public/io/libxenvchan.h 
> tools/libvchan | sort -u
> on stating, and got this output:
> 
>   Anil Madhavapeddy <anil@xxxxxxxxxx>
>   Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
>   David Scott <dave.scott@xxxxxxxxxx>
>   Ian Campbell <ian.campbell@xxxxxxxxxx>
>   Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
>   Jan Beulich <JBeulich@xxxxxxxx>
>   Jason Andryuk <andryuk@xxxxxxxx>
>   Keir Fraser <keir@xxxxxxx>
>   Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
>   Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
>   Matthew Daley <mattjd@xxxxxxxxx>
>   Olaf Hering <olaf@xxxxxxxxx>
>   Roger Pau Monne <roger.pau@xxxxxxxxxxxxx>
>   Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> I guess the Citrix staff ought to have a common view.  Lars, do we
> need to consult with management or shall we just give our consent to
> libvchan being permissively-licensed ?

FWIW Neither I, nor ITL staff (as author of original libvchan library)
have anything against converting it to the BSD-style licence.

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

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