On 9/27/21 4:07 PM, Luca Boccassi wrote: > On Thu, 2021-09-23 at 11:41 +0100, Luca Boccassi wrote: >> 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? > > Gentle ping. We got ACKs from Netronome and Google so far (thanks!). > For my bits: Acked-by: Daniel Mack <daniel@xxxxxxxxxx> Thanks, Daniel
