From: Daniel Borkmann <daniel@iogearbox.net>
To: Andrii Nakryiko <andriin@fb.com>,
andrii.nakryiko@gmail.com, kernel-team@fb.com, ast@fb.com,
netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH v5 bpf-next 0/4] capture integers in BTF type info for map defs
Date: Fri, 5 Jul 2019 23:15:48 +0200 [thread overview]
Message-ID: <86f8f511-655c-bf9e-8d78-f2e3f65efdb9@iogearbox.net> (raw)
In-Reply-To: <20190705155012.3539722-1-andriin@fb.com>
On 07/05/2019 05:50 PM, Andrii Nakryiko 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.
>
> All existing selftests that were using BTF-defined maps are updated, along
> with some other selftests, that were switched to new syntax.
>
> v4->v5:
> - revert sample_map_ret0.c, which is loaded with iproute2 (kernel test robot);
> v3->v4:
> - add acks;
> - fix int -> uint type in commit message;
> v2->v3:
> - rename __int into __uint (Yonghong);
> v1->v2:
> - split bpf_helpers.h change from libbpf change (Song).
>
> Andrii Nakryiko (4):
> libbpf: capture value in BTF type info for BTF-defined map defs
> selftests/bpf: add __uint and __type macro for BTF-defined maps
> 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/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 +++++++++---------
> 33 files changed, 559 insertions(+), 760 deletions(-)
LGTM, applied, thanks! Shouldn't we also move __uint and __type macros
into libbpf as otherwise people tend to redefine this over and over?
next prev parent reply other threads:[~2019-07-05 21:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-05 15:50 [PATCH v5 bpf-next 0/4] capture integers in BTF type info for map defs Andrii Nakryiko
2019-07-05 15:50 ` [PATCH v5 bpf-next 1/4] libbpf: capture value in BTF type info for BTF-defined " Andrii Nakryiko
2019-07-05 15:50 ` [PATCH v5 bpf-next 2/4] selftests/bpf: add __uint and __type macro for BTF-defined maps Andrii Nakryiko
2019-07-05 15:50 ` [PATCH v5 bpf-next 3/4] selftests/bpf: convert selftests using BTF-defined maps to new syntax Andrii Nakryiko
2019-07-05 15:50 ` [PATCH v5 bpf-next 4/4] selftests/bpf: convert legacy BPF maps to BTF-defined ones Andrii Nakryiko
2019-07-05 21:15 ` Daniel Borkmann [this message]
2019-07-06 3:49 ` [PATCH v5 bpf-next 0/4] capture integers in BTF type info for map defs Andrii Nakryiko
2019-07-09 20:27 ` Edward Cree
2019-07-09 21:39 ` Andrii Nakryiko
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