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    Subject[PATCH 25/29] perf bpf: Convert pid_map() to bpf_map()
    Date
    From: Arnaldo Carvalho de Melo <acme@redhat.com>

    First user, pid_t as the type, lets see how this goes with the BTF
    routines.

    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Daniel Borkmann <daniel@iogearbox.net>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
    Cc: Martin KaFai Lau <kafai@fb.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Wang Nan <wangnan0@huawei.com>
    Cc: Yonghong Song <yhs@fb.com>
    Link: https://lkml.kernel.org/n/tip-56eplvf86r69wt3p35nh805z@git.kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/include/bpf/bpf.h | 8 +-------
    1 file changed, 1 insertion(+), 7 deletions(-)

    diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h
    index 0482028c1d11..5df7ed9d9020 100644
    --- a/tools/perf/include/bpf/bpf.h
    +++ b/tools/perf/include/bpf/bpf.h
    @@ -34,13 +34,7 @@ struct bpf_map SEC("maps") name = { \
    * For the current need, 'perf trace --filter-pids', 64 should
    * be good enough, but this surely needs to be revisited.
    */
    -#define pid_map(name, value_type) \
    -struct bpf_map SEC("maps") name = { \
    - .type = BPF_MAP_TYPE_HASH, \
    - .key_size = sizeof(pid_t), \
    - .value_size = sizeof(value_type), \
    - .max_entries = 64, \
    -}
    +#define pid_map(name, value_type) bpf_map(name, HASH, pid_t, value_type, 64)

    static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem;
    static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem;
    --
    2.20.1
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