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From:   Pedro Tammela <pctammela@gmail.com>
To:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>, Shuah Khan <shuah@kernel.org>,
        Pedro Tammela <pctammela@mojatatu.com>,
        Matthieu Baerts <matthieu.baerts@tessares.net>,
        David Verbeiren <david.verbeiren@tessares.net>,
        netdev@vger.kernel.org (open list:BPF (Safe dynamic programs and tools)),
        bpf@vger.kernel.org (open list:BPF (Safe dynamic programs and tools)),
        linux-kernel@vger.kernel.org (open list),
        linux-kselftest@vger.kernel.org (open list:KERNEL SELFTEST FRAMEWORK)
Subject: [PATCH bpf-next v2 0/3] add batched ops support for percpu
Date:   Tue,  6 Apr 2021 15:53:51 -0300
Message-Id: <20210406185400.377293-1-pctammela@mojatatu.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

This patchset introduces batched operations for the per-cpu variant of
the array map.

It also introduces a standard way to define per-cpu values via the
'BPF_PERCPU_TYPE()' macro, which handles the alignment transparently.
This was already implemented in the selftests and was merely refactored
out to libbpf, with some simplifications for reuse.

The tests were updated to reflect all the new changes.

v1 -> v2:
- Amended a more descriptive commit message

Pedro Tammela (3):
  bpf: add batched ops support for percpu array
  libbpf: selftests: refactor 'BPF_PERCPU_TYPE()' and 'bpf_percpu()'
    macros
  bpf: selftests: update array map tests for per-cpu batched ops

 kernel/bpf/arraymap.c                         |   2 +
 tools/lib/bpf/bpf.h                           |  10 ++
 tools/testing/selftests/bpf/bpf_util.h        |   7 --
 .../bpf/map_tests/array_map_batch_ops.c       | 114 +++++++++++++-----
 .../bpf/map_tests/htab_map_batch_ops.c        |  48 ++++----
 .../selftests/bpf/prog_tests/map_init.c       |   5 +-
 tools/testing/selftests/bpf/test_maps.c       |  16 +--
 7 files changed, 133 insertions(+), 69 deletions(-)

-- 
2.25.1