From: Stanislav Fomichev <sdf@fomichev.me>
To: Alexei Starovoitov <ast@fb.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
Andrii Nakryiko <andriin@fb.com>,
Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Kernel Team <Kernel-team@fb.com>
Subject: Re: [RFC PATCH bpf-next 6/8] libbpf: allow specifying map definitions using BTF
Date: Mon, 3 Jun 2019 21:29:02 -0700 [thread overview]
Message-ID: <20190604042902.GA2014@mini-arch> (raw)
In-Reply-To: <f2b5120c-fae7-bf72-238a-b76257b0c0e4@fb.com>
> BTF is mandatory for _any_ new feature.
If something is easy to support without asking everyone to upgrade to
a bleeding edge llvm, why not do it?
So much for backwards compatibility and flexibility.
> It's for introspection and debuggability in the first place.
> Good debugging is not optional.
Once llvm 8+ is everywhere, sure, but we are not there yet (I'm talking
about upstream LTS distros like ubuntu/redhat).
next prev parent reply other threads:[~2019-06-04 4:29 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 20:21 [RFC PATCH bpf-next 0/8] BTF-defined BPF map definitions Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 1/8] libbpf: add common min/max macro to libbpf_internal.h Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 2/8] libbpf: extract BTF loading and simplify ELF parsing logic Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 3/8] libbpf: refactor map initialization Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 4/8] libbpf: identify maps by section index in addition to offset Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 5/8] libbpf: split initialization and loading of BTF Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 6/8] libbpf: allow specifying map definitions using BTF Andrii Nakryiko
2019-05-31 21:28 ` Stanislav Fomichev
2019-05-31 22:58 ` Andrii Nakryiko
2019-06-03 0:33 ` Jakub Kicinski
2019-06-03 21:54 ` Andrii Nakryiko
2019-06-03 23:34 ` Jakub Kicinski
2019-06-03 16:32 ` Stanislav Fomichev
2019-06-03 22:03 ` Andrii Nakryiko
2019-06-04 1:02 ` Stanislav Fomichev
2019-06-04 1:07 ` Alexei Starovoitov
2019-06-04 4:29 ` Stanislav Fomichev [this message]
2019-06-04 13:45 ` Stanislav Fomichev
2019-06-04 17:31 ` Andrii Nakryiko
2019-06-04 21:07 ` Stanislav Fomichev
2019-06-04 21:22 ` Andrii Nakryiko
2019-06-06 21:09 ` Daniel Borkmann
2019-06-06 23:02 ` Andrii Nakryiko
2019-06-06 23:27 ` Alexei Starovoitov
2019-06-07 0:10 ` Jakub Kicinski
2019-06-07 0:27 ` Alexei Starovoitov
2019-06-07 1:02 ` Jakub Kicinski
2019-06-10 1:17 ` explicit maps. Was: " Alexei Starovoitov
2019-06-10 21:15 ` Jakub Kicinski
2019-06-10 23:48 ` Andrii Nakryiko
2019-06-03 22:34 ` Andrii Nakryiko
2019-06-06 16:42 ` Lorenz Bauer
2019-06-06 22:34 ` Andrii Nakryiko
2019-06-17 9:07 ` Lorenz Bauer
2019-06-17 20:59 ` Andrii Nakryiko
2019-06-20 9:27 ` Lorenz Bauer
2019-06-21 4:05 ` Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 7/8] selftests/bpf: add test for BTF-defined maps Andrii Nakryiko
2019-05-31 20:21 ` [RFC PATCH bpf-next 8/8] selftests/bpf: switch tests to BTF-defined map definitions Andrii Nakryiko
2019-06-11 4:34 [RFC PATCH bpf-next 0/8] BTF-defined BPF " Andrii Nakryiko
2019-06-11 4:35 ` [RFC PATCH bpf-next 6/8] libbpf: allow specifying map definitions using BTF Andrii Nakryiko
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