On Thu, Sep 23, 2021 at 02:42:39PM +0100, Quentin Monnet wrote: > 2021-09-23 11:41 UTC+0100 ~ Luca Boccassi <bluca@xxxxxxxxxx> > > On Thu, 2021-09-23 at 01:05 +0100, luca.boccassi@xxxxxxxxx wrote: > >> From: Luca Boccassi <bluca@xxxxxxxxxx> > >> > >> libbpf and bpftool have been dual-licensed to facilitate inclusion in > >> software that is not compatible with GPL2-only (ie: Apache2), but the > >> samples are still GPL2-only. > >> > >> Given these files are samples, they get naturally copied around. For > >> example > >> it is the case for samples/bpf/bpf_insn.h which was copied into the > >> systemd > >> tree: > >> https://github.com/systemd/systemd/blob/main/src/shared/linux/bpf_insn.h > >> > >> Dual-license this header as GPL-2.0-only OR BSD-2-Clause to follow > >> the same licensing used by libbpf and bpftool: > >> > >> 1bc38b8ff6cc ("libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause") > >> 907b22365115 ("tools: bpftool: dual license all files") > >> > >> Signed-off-by: Luca Boccassi <bluca@xxxxxxxxxx> > >> --- > >> Most of systemd is (L)GPL2-or-later, which means there is no > >> perceived > >> incompatibility with Apache2 softwares and can thus be linked with > >> OpenSSL 3.0. But given this GPL2-only header is included this is > >> currently > >> not possible. > >> Dual-licensing this header solves this problem for us as we are > >> scoping > >> moving to OpenSSL 3.0, see: > >> > >> https://lists.freedesktop.org/archives/systemd-devel/2021-September/046882.html > >> > >> The authors of this file according to git log are: > >> > >> Alexei Starovoitov <ast@xxxxxxxxxx> > >> Björn Töpel <bjorn.topel@xxxxxxxxx> > >> Brendan Jackman <jackmanb@xxxxxxxxxx> > >> Chenbo Feng <fengc@xxxxxxxxxx> > >> Daniel Borkmann <daniel@xxxxxxxxxxxxx> > >> Daniel Mack <daniel@xxxxxxxxxx> > >> Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx> > >> Jiong Wang <jiong.wang@xxxxxxxxxxxxx> > >> Joe Stringer <joe@xxxxxxx> > >> Josef Bacik <jbacik@xxxxxx> > >> > >> (excludes a commit adding the SPDX header) > >> > >> All authors and maintainers are CC'ed. An Acked-by from everyone in > >> the > >> above list of authors will be necessary. > >> > >> One could probably argue for relicensing all the samples/bpf/ files > >> given both > >> libbpf and bpftool are, however the authors list would be much larger > >> and thus > >> it would be much more difficult, so I'd really appreciate if this > >> header could > >> be handled first by itself, as it solves a real license > >> incompatibility issue > >> we are currently facing. > >> > >> samples/bpf/bpf_insn.h | 2 +- > >> 1 file changed, 1 insertion(+), 1 deletion(-) > >> > >> diff --git a/samples/bpf/bpf_insn.h b/samples/bpf/bpf_insn.h > >> index aee04534483a..29c3bb6ad1cd 100644 > >> --- a/samples/bpf/bpf_insn.h > >> +++ b/samples/bpf/bpf_insn.h > >> @@ -1,4 +1,4 @@ > >> -/* SPDX-License-Identifier: GPL-2.0 */ > >> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ > >> /* eBPF instruction mini library */ > >> #ifndef __BPF_INSN_H > >> #define __BPF_INSN_H > > > > Got "address not found" for the following: > > > > Björn Töpel <bjorn.topel@xxxxxxxxx> > > Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx> > > Jiong Wang <jiong.wang@xxxxxxxxxxxxx> > > > > Trying again with different aliases from more recent commits for Björn > > and Jakub. > > > > I cannot find other commits from Jiong with a different email address - > > Jakub, do you happen to know how we can reach Jiong? Perhaps it's not > > necessary as it's Netronome that owns the copyright and thus your ack > > would cover both contributions? > > > > Hi Luca, I believe Simon can handle this for Netronome, I'm adding him > in copy. Yes, in the recent past we have handled a similar request like this: Acked-by: Simon Horman <simon.horman@xxxxxxxxxxxx>
