From: Song Liu <songliubraving@fb.com>
To: Andrii Nakryiko <andriin@fb.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
Alexei Starovoitov <ast@fb.com>,
"daniel@iogearbox.net" <daniel@iogearbox.net>,
Kernel Team <Kernel-team@fb.com>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH bpf-next 0/3] capture integers in BTF type info for map defs
Date: Thu, 27 Jun 2019 17:22:18 +0000 [thread overview]
Message-ID: <10E7849F-0DF3-4AA6-9C08-97DAF0697750@fb.com> (raw)
In-Reply-To: <20190626232133.3800637-1-andriin@fb.com>
> On Jun 26, 2019, at 4:21 PM, Andrii Nakryiko <andriin@fb.com> wrote:
>
> This patch set implements an update to how BTF-defined maps are specified. The
> change is in how integer attributes, e.g., type, max_entries, map_flags, are
> specified: now they are captured as part of map definition struct's BTF type
> information (using array dimension), eliminating the need for compile-time
> data initialization and keeping all the metadata in one place.
Using array dimension is hacky. But I guess this work.
>
> All existing selftests that were using BTF-defined maps are updated, along
> with some other selftests, that were switched to new syntax.
>
> Andrii Nakryiko (3):
> libbpf: capture value in BTF type info for BTF-defined map defs
> selftests/bpf: convert selftests using BTF-defined maps to new syntax
> selftests/bpf: convert legacy BPF maps to BTF-defined ones
>
> tools/lib/bpf/libbpf.c | 58 +++++----
> tools/testing/selftests/bpf/bpf_helpers.h | 3 +
> tools/testing/selftests/bpf/progs/bpf_flow.c | 28 ++---
> .../selftests/bpf/progs/get_cgroup_id_kern.c | 26 ++---
> .../testing/selftests/bpf/progs/netcnt_prog.c | 20 ++--
> tools/testing/selftests/bpf/progs/pyperf.h | 90 +++++++-------
> .../selftests/bpf/progs/sample_map_ret0.c | 24 ++--
> .../selftests/bpf/progs/socket_cookie_prog.c | 13 +--
> .../bpf/progs/sockmap_verdict_prog.c | 48 ++++----
> .../testing/selftests/bpf/progs/strobemeta.h | 68 +++++------
> .../selftests/bpf/progs/test_btf_newkv.c | 13 +--
> .../bpf/progs/test_get_stack_rawtp.c | 39 +++----
> .../selftests/bpf/progs/test_global_data.c | 37 +++---
> tools/testing/selftests/bpf/progs/test_l4lb.c | 65 ++++-------
> .../selftests/bpf/progs/test_l4lb_noinline.c | 65 ++++-------
> .../selftests/bpf/progs/test_map_in_map.c | 30 ++---
> .../selftests/bpf/progs/test_map_lock.c | 26 ++---
> .../testing/selftests/bpf/progs/test_obj_id.c | 12 +-
> .../bpf/progs/test_select_reuseport_kern.c | 67 ++++-------
> .../bpf/progs/test_send_signal_kern.c | 26 ++---
> .../bpf/progs/test_sock_fields_kern.c | 78 +++++--------
> .../selftests/bpf/progs/test_spin_lock.c | 36 +++---
> .../bpf/progs/test_stacktrace_build_id.c | 55 ++++-----
> .../selftests/bpf/progs/test_stacktrace_map.c | 52 +++------
> .../selftests/bpf/progs/test_tcp_estats.c | 13 +--
> .../selftests/bpf/progs/test_tcpbpf_kern.c | 26 ++---
> .../selftests/bpf/progs/test_tcpnotify_kern.c | 28 ++---
> tools/testing/selftests/bpf/progs/test_xdp.c | 26 ++---
> .../selftests/bpf/progs/test_xdp_loop.c | 26 ++---
> .../selftests/bpf/progs/test_xdp_noinline.c | 81 +++++--------
> .../selftests/bpf/progs/xdp_redirect_map.c | 12 +-
> .../testing/selftests/bpf/progs/xdping_kern.c | 12 +-
> .../selftests/bpf/test_queue_stack_map.h | 30 ++---
> .../testing/selftests/bpf/test_sockmap_kern.h | 110 +++++++++---------
> 34 files changed, 571 insertions(+), 772 deletions(-)
>
> --
> 2.17.1
>
prev parent reply other threads:[~2019-06-27 17:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-26 23:21 [PATCH bpf-next 0/3] capture integers in BTF type info for map defs Andrii Nakryiko
2019-06-26 23:21 ` [PATCH bpf-next 1/3] libbpf: capture value in BTF type info for BTF-defined " Andrii Nakryiko
2019-06-27 17:27 ` Song Liu
2019-06-27 17:47 ` Andrii Nakryiko
2019-06-27 17:55 ` Song Liu
2019-06-27 20:19 ` Andrii Nakryiko
2019-06-26 23:21 ` [PATCH bpf-next 2/3] selftests/bpf: convert selftests using BTF-defined maps to new syntax Andrii Nakryiko
2019-06-26 23:21 ` [PATCH bpf-next 3/3] selftests/bpf: convert legacy BPF maps to BTF-defined ones Andrii Nakryiko
2019-06-27 17:22 ` Song Liu [this message]
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