netdev - Re: [PATCH v4 bpf-next 0/2] bpf: Add a new API libbpf_num_possible

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Message-ID: <CAEf4BzYzfTAyHZwAdE1MPxZ4cUhP9LsAEDJ_VLQqx_PkVW9_0w@mail.gmail.com>
Date:   Fri, 7 Jun 2019 10:57:02 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Hechao Li <hechaol@...com>
Cc:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH v4 bpf-next 0/2] bpf: Add a new API libbpf_num_possible_cpus()

On Fri, Jun 7, 2019 at 9:38 AM Hechao Li <hechaol@...com> wrote:
>
> Getting number of possible CPUs is commonly used for per-CPU BPF maps
> and perf_event_maps. Add a new API libbpf_num_possible_cpus() that
> helps user with per-CPU related operations and remove duplicate
> implementations in bpftool and selftests.
>
> v4: Fixed error code when reading 0 bytes from possible CPU file
>
> Hechao Li (2):
>   bpf: add a new API libbpf_num_possible_cpus()
>   bpf: use libbpf_num_possible_cpus in bpftool and selftests
>
>  tools/bpf/bpftool/common.c             | 53 +++---------------------
>  tools/lib/bpf/libbpf.c                 | 57 ++++++++++++++++++++++++++
>  tools/lib/bpf/libbpf.h                 | 16 ++++++++
>  tools/lib/bpf/libbpf.map               |  1 +
>  tools/testing/selftests/bpf/bpf_util.h | 37 +++--------------
>  5 files changed, 84 insertions(+), 80 deletions(-)
>
> --
> 2.17.1
>

For the series:

Acked-by: Andrii Nakryiko <andriin@...com>