From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Martin KaFai Lau <kafai@fb.com>
Cc: netdev@vger.kernel.org, Alexei Starovoitov <ast@fb.com>,
Daniel Borkmann <daniel@iogearbox.net>,
kernel-team@fb.com
Subject: Re: [PATCH bpf-next 00/10] BTF: BPF Type Format
Date: Tue, 3 Apr 2018 16:30:41 -0300 [thread overview]
Message-ID: <20180403193041.GF23295@kernel.org> (raw)
In-Reply-To: <20180330182643.3539371-1-kafai@fb.com>
Em Fri, Mar 30, 2018 at 11:26:33AM -0700, Martin KaFai Lau escreveu:
> This patch introduces BPF Type Format (BTF).
>
> BTF (BPF Type Format) is the meta data format which describes
> the data types of BPF program/map. Hence, it basically focus
> on the C programming language which the modern BPF is primary
> using. The first use case is to provide a generic pretty print
> capability for a BPF map.
>
> A modified pahole that can convert dwarf to BTF is here:
> https://github.com/iamkafai/pahole/tree/btf
Hey, great, I'll try to review this and if all is well, merge this,
please consider CCing me in patches to pahole :-)
- Arnaldo
> Please see individual patch for details.
>
> Martin KaFai Lau (10):
> bpf: btf: Introduce BPF Type Format (BTF)
> bpf: btf: Validate type reference
> bpf: btf: Check members of struct/union
> bpf: btf: Add pretty print capability for data with BTF type info
> bpf: btf: Add BPF_BTF_LOAD command
> bpf: btf: Add BPF_OBJ_GET_INFO_BY_FD support to BTF fd
> bpf: btf: Add pretty print support to the basic arraymap
> bpf: btf: Sync bpf.h and btf.h to tools/
> bpf: btf: Add BTF support to libbpf
> bpf: btf: Add BTF tests
>
> include/linux/bpf.h | 20 +-
> include/linux/btf.h | 48 +
> include/uapi/linux/bpf.h | 12 +
> include/uapi/linux/btf.h | 132 ++
> kernel/bpf/Makefile | 1 +
> kernel/bpf/arraymap.c | 50 +
> kernel/bpf/btf.c | 2064 ++++++++++++++++++++++++++
> kernel/bpf/inode.c | 146 +-
> kernel/bpf/syscall.c | 51 +-
> tools/include/uapi/linux/bpf.h | 13 +
> tools/include/uapi/linux/btf.h | 132 ++
> tools/lib/bpf/Build | 2 +-
> tools/lib/bpf/bpf.c | 92 +-
> tools/lib/bpf/bpf.h | 16 +
> tools/lib/bpf/btf.c | 377 +++++
> tools/lib/bpf/btf.h | 22 +
> tools/lib/bpf/libbpf.c | 148 +-
> tools/lib/bpf/libbpf.h | 3 +
> tools/testing/selftests/bpf/Makefile | 25 +-
> tools/testing/selftests/bpf/test_btf.c | 1539 +++++++++++++++++++
> tools/testing/selftests/bpf/test_btf_haskv.c | 48 +
> tools/testing/selftests/bpf/test_btf_nokv.c | 43 +
> 22 files changed, 4943 insertions(+), 41 deletions(-)
> create mode 100644 include/linux/btf.h
> create mode 100644 include/uapi/linux/btf.h
> create mode 100644 kernel/bpf/btf.c
> create mode 100644 tools/include/uapi/linux/btf.h
> create mode 100644 tools/lib/bpf/btf.c
> create mode 100644 tools/lib/bpf/btf.h
> create mode 100644 tools/testing/selftests/bpf/test_btf.c
> create mode 100644 tools/testing/selftests/bpf/test_btf_haskv.c
> create mode 100644 tools/testing/selftests/bpf/test_btf_nokv.c
>
> --
> 2.9.5
prev parent reply other threads:[~2018-04-03 19:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-30 18:26 [PATCH bpf-next 00/10] BTF: BPF Type Format Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 01/10] bpf: btf: Introduce BPF Type Format (BTF) Martin KaFai Lau
2018-03-30 23:22 ` Daniel Borkmann
2018-03-30 23:32 ` Martin KaFai Lau
2018-03-31 8:43 ` kbuild test robot
2018-03-31 15:45 ` Martin KaFai Lau
2018-03-31 8:43 ` [RFC PATCH] bpf: btf: enum_ops can be static kbuild test robot
2018-03-30 18:26 ` [PATCH bpf-next 02/10] bpf: btf: Validate type reference Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 03/10] bpf: btf: Check members of struct/union Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 04/10] bpf: btf: Add pretty print capability for data with BTF type info Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 05/10] bpf: btf: Add BPF_BTF_LOAD command Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 06/10] bpf: btf: Add BPF_OBJ_GET_INFO_BY_FD support to BTF fd Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 07/10] bpf: btf: Add pretty print support to the basic arraymap Martin KaFai Lau
2018-03-31 9:12 ` [RFC PATCH] bpf: btf: map_seq_next() can be static kbuild test robot
2018-03-31 9:12 ` [PATCH bpf-next 07/10] bpf: btf: Add pretty print support to the basic arraymap kbuild test robot
2018-03-31 15:45 ` Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 08/10] bpf: btf: Sync bpf.h and btf.h to tools/ Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 09/10] bpf: btf: Add BTF support to libbpf Martin KaFai Lau
2018-03-30 18:26 ` [PATCH bpf-next 10/10] bpf: btf: Add BTF tests Martin KaFai Lau
2018-04-03 19:30 ` Arnaldo Carvalho de Melo [this message]
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