netdev - Re: [PATCH bpf-next v5 3/5] libbpf: Add BPF_PROG_BIND_MAP syscall and use it on .rodata section

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Message-ID: <CAEf4BzZRwNXZfpkv-D5b65eBA1QLLnpRmW7d=fVGazXS9th46Q@mail.gmail.com>
Date:   Mon, 14 Sep 2020 16:22:37 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        YiFei Zhu <zhuyifei1999@...il.com>
Subject: Re: [PATCH bpf-next v5 3/5] libbpf: Add BPF_PROG_BIND_MAP syscall and
 use it on .rodata section

On Mon, Sep 14, 2020 at 11:37 AM Stanislav Fomichev <sdf@...gle.com> wrote:
>
> From: YiFei Zhu <zhuyifei@...gle.com>
>
> The patch adds a simple wrapper bpf_prog_bind_map around the syscall.
> When the libbpf tries to load a program, it will probe the kernel for
> the support of this syscall and unconditionally bind .rodata section
> to the program.
>
> Cc: YiFei Zhu <zhuyifei1999@...il.com>
> Signed-off-by: YiFei Zhu <zhuyifei@...gle.com>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
> ---

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

>  tools/lib/bpf/bpf.c      | 16 +++++++++
>  tools/lib/bpf/bpf.h      |  8 +++++
>  tools/lib/bpf/libbpf.c   | 72 ++++++++++++++++++++++++++++++++++++++++
>  tools/lib/bpf/libbpf.map |  1 +
>  4 files changed, 97 insertions(+)
>

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