From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Subject: Re: [PATCH bpf-next] bpf: emit audit messages upon successful prog
 load and unload
Date: Fri, 5 Oct 2018 13:26:53 -0700
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Cc: Jiri Olsa <jolsa@redhat.com>,
        Jesper Dangaard Brouer <brouer@redhat.com>,
        Daniel Borkmann <daniel@iogearbox.net>, ast@kernel.org,
        netdev@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
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On Fri, Oct 05, 2018 at 04:42:49PM -0300, Arnaldo Carvalho de Melo wrote:
> 
> Is there a way for us to synthesize those prog load/unload for
> preexisting loaded bpf objects?

see 'bpftool prog show'.
get_next_id + get_fd_by_id solve it race free.