Apologies, I forgot to CC bug-hurd. El 07/11/15 a les 12:11, Robert Millan ha escrit: > > Unfortunately I didn't get any reply from Zheng Da. Does someone know if > Zheng is > using another email address nowadays? > > In case he can't be reached anymore, I traced origin of the intloop() routine > and > found that: > > 0. The copyright header in interrupt.c mentions Thomas Friebel > <t...@os.inf.tu-dresden.de> > and Christian Helmuth <c...@os.inf.tu-dresden.de> as authors, however this > doesn't > affect the code I'm importing (see #2). > > 1. The copyright-significant bits which have actually been used in my work are > exclusively made of code committed to Debian hurd.git: > > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=8a1bc5a21ade1a3aeedbb552315ff1ed5da6d7aa > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=40bd937d601627bc9604c5d7d8c528643358b3a7 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=dcd71f277d3fa4615b86e772a4f649d25981dd02 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=63e2a076f77620867d80500b1510f70f5e093a82 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=92e2538dd9825f83d8f961fe85630ebe0bfd4f40 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=2727b6bd16489e8592d3b45faee1f42c00ce2804 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=8a4668dfd4106f26bf5bf6ed69717eb06a3628db > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=1c5442e1fc9d4dfc71c7ce20900436897afcabf8 > > 2. Initial commit by Zheng (6f5290eeb41219ea8b81f6df3ffceb0f4614cdd1) is an > import commit > and includes code written by others, however none of the code in that > commit is included > in my work (since I'm only interested in the GNU Mach interaction bits > which were added > after that). > > 3. The remaining (Samuel's) commits affecting this routine are trivial > renames, not significant > for copyright purposes: > > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=56b24422cad2f61ca9d1456e3cf755f53809caa3 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=321bb5dac2409552cf3db5bce8f9462a45cbcf5d > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=2f7814d3d8b629c85e3ea0d9f12f6d2a8daab931 > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=6d61151e937510dcb7a4977975bb750eb7ae624c > https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=pkg-hurd/hurd.git;a=commit;h=22481555a880bb5fe3b87b6f6fd74ed58fa91e7f > > With this we have "Copyright (C) 2009, 2010 Zheng Da", but still no licensing > information. > > Since Zheng committed it to pkg-hurd, I understand it's common convention to > assume > Zheng's code is licensed under the same terms? > > Unfortunately this gets a bit confusing: some parts of the Hurd are GPLv2 and > some are GPLv2+. > Then the file Zheng was modifying [1] is imported from DDE/L4 which is GPLv2 > [2]. > > [1] http://svn.tudos.org/repos/tudos/trunk/l4/pkg/dde/ddekit/src/interrupt.c > [2] http://svn.tudos.org/repos/tudos/trunk/l4/pkg/COPYING > > What should we make of this? It's somewhat relevant as the code will be > linked into librumpdev_pci, > which in turn will be linked by its final users in the application layer. > > Please advise... > > El 16/08/15 a les 22:33, Robert Millan ha escrit: >> >> Hi Zheng Da, >> >> First of all, allow me to show you my appreciation for your effort on >> integrating >> DDE with the Hurd. The groundwork on creating facilities that enable >> userspace >> drivers has been greatly helpful on this little project of mine. >> >> Just to put you in context, I've ported Rump (http://rumpkernel.org/) to >> GNU/Hurd >> and written some extensions that allow it to run its own PCI drivers in >> userspace. >> >> For that I used the same facilities in Gnu Mach that libddekit is using, and >> also >> imported some the code in libddekit for userspace interrupt management. Olaf >> (see >> below) believes that this code was written by you: >> >> El 16/08/15 a les 21:02, Olaf Buddenhagen ha escrit: >>> On Sun, Aug 16, 2015 at 01:09:59PM +0200, Robert Millan wrote: >>> >>>> * It includes code from other people under GPLv2; >>> >>>> - intrthread() is heavily based on intloop() from >>>> hurd/libddekit/interrupt.c >>> >>> I haven't checked, but I assume this is form a Hurd-specific part of >>> DDE, which has been implemented by Zheng Da for the Hurd port >>> specifically? If so, we could try contacting him. >> >> Is this correct? >> >> I'm currently trying to merge the resulting code into Rump. This raises the >> question on which license is the code in intloop() under. By lack of any >> other >> statement one would have to assume it's GPLv2. >
-- Robert Millan
