From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: "Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
"Jiri Olsa" <jolsa@kernel.org>,
"Arnaldo Carvalho de Melo" <acme@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
"Ingo Molnar" <mingo@kernel.org>,
"Namhyung Kim" <namhyung@kernel.org>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
"Michael Petlan" <mpetlan@redhat.com>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Martin KaFai Lau" <kafai@fb.com>,
"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
"Andrii Nakryiko" <andriin@fb.com>,
"Quentin Monnet" <quentin.monnet@netronome.com>
Subject: Re: [PATCHv4 0/6] perf/bpftool: Allow to link libbpf dynamically
Date: Wed, 4 Dec 2019 13:54:05 -0800
Message-ID: <20191204135405.3ffb9ad6@cakuba.netronome.com> (raw)
In-Reply-To: <CAEf4BzZ+0XpH_zJ0P78vjzmFAH3kGZ21w3-LcSEG=B=+ZQWJ=w@mail.gmail.com>
On Wed, 4 Dec 2019 13:16:13 -0800, Andrii Nakryiko wrote:
> I wonder what big advantage having bpftool in libbpf's Github repo
> brings, actually? The reason we need libbpf on github is to allow
> other projects like pahole to be able to use libbpf from submodule.
> There is no such need for bpftool.
>
> I agree about preference to release them in sync, but that could be
> easily done by releasing based on corresponding commits in github's
> libbpf repo and kernel repo. bpftool doesn't have to physically live
> next to libbpf on Github, does it?
+1
> Calling github repo a "mirror" is incorrect. It's not a 1:1 copy of
> files. We have a completely separate Makefile for libbpf, and we have
> a bunch of stuff we had to re-implement to detach libbpf code from
> kernel's non-UAPI headers. Doing this for bpftool as well seems like
> just more maintenance. Keeping github's Makefile in sync with kernel's
> Makefile (for libbpf) is PITA, I'd rather avoid similar pains for
> bpftool without a really good reason.
Agreed. Having libbpf on GH is definitely useful today, but one can hope
a day will come when distroes will get up to speed on packaging libbpf,
and perhaps we can retire it? Maybe 2, 3 years from now? Putting
bpftool in the same boat is just more baggage.
next prev parent reply index
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-02 13:18 Jiri Olsa
2019-12-02 13:18 ` [PATCH 1/6] perf tools: Allow to specify libbpf install directory Jiri Olsa
2019-12-02 13:18 ` [PATCH 2/6] bpftool: Allow to link libbpf dynamically Jiri Olsa
2019-12-02 13:18 ` [PATCH 3/6] bpftool: Rename BPF_DIR Makefile variable to LIBBPF_SRC_DIR Jiri Olsa
2019-12-02 13:18 ` [PATCH 4/6] bpftool: Rename LIBBPF_OUTPUT Makefile variable to LIBBPF_BUILD_OUTPUT Jiri Olsa
2019-12-02 13:18 ` [PATCH 5/6] bpftool: Rename LIBBPF_PATH Makefile variable to LIBBPF_BUILD_PATH Jiri Olsa
2019-12-02 13:18 ` [PATCH 6/6] selftests, bpftool: Add build test for libbpf dynamic linking Jiri Olsa
2019-12-02 15:38 ` Quentin Monnet
2019-12-02 19:41 ` [PATCHv4 0/6] perf/bpftool: Allow to link libbpf dynamically Andrii Nakryiko
2019-12-02 21:15 ` Toke Høiland-Jørgensen
2019-12-04 5:52 ` Alexei Starovoitov
2019-12-04 9:01 ` Jiri Olsa
2019-12-04 10:57 ` Toke Høiland-Jørgensen
2019-12-04 17:39 ` Alexei Starovoitov
2019-12-04 18:27 ` Daniel Borkmann
2019-12-04 20:22 ` Toke Høiland-Jørgensen
2019-12-04 21:16 ` Andrii Nakryiko
2019-12-04 21:54 ` Jakub Kicinski [this message]
2019-12-04 23:39 ` Alexei Starovoitov
2019-12-05 0:23 ` Jakub Kicinski
2019-12-05 0:29 ` David Miller
2019-12-05 1:25 ` Alexei Starovoitov
2019-12-05 1:09 ` Alexei Starovoitov
2019-12-05 2:10 ` Jakub Kicinski
2019-12-05 3:17 ` Alexei Starovoitov
2019-12-05 4:26 ` Jakub Kicinski
2019-12-05 6:44 ` Alexei Starovoitov
2019-12-05 8:35 ` Jesper Dangaard Brouer
2019-12-05 12:09 ` Michal Rostecki
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