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References: <20220521075736.1225397-1-zenczykowski@gmail.com>
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From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date:   Wed, 25 May 2022 09:32:42 -0700
Message-ID: <CAADnVQJ=wQd7YgZTtTQNv+3z4AwxYS0cWBu_WoJ17vJkjVf65g@mail.gmail.com>
Subject: Re: [PATCH bpf-next] bpf: print a little more info about maps via cat /sys/fs/bpf/pinned_name
To:     =?UTF-8?Q?Maciej_=C5=BBenczykowski?= <zenczykowski@gmail.com>
Cc:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Linux Network Development Mailing List 
        <netdev@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        BPF Mailing List <bpf@vger.kernel.org>,
        "David S . Miller" <davem@davemloft.net>
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On Wed, May 25, 2022 at 9:14 AM Maciej =C5=BBenczykowski
<zenczykowski@gmail.com> wrote:
>
> When it works it's really nice...

Load your own bpf map iterator program and pin anywhere
in bpffs under name of choice and your own access permissions.
See selftests/bpf/progs/bpf_iter_bpf_map.c