linux-kernel - Re: [PATCH 0/3] bpf: Store/dump license string for loaded program

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Message-ID: <20180423201134.r56ts7usec4jjnbh@ast-mbp>
Date:   Mon, 23 Apr 2018 14:11:36 -0600
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        lkml <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
        Quentin Monnet <quentin.monnet@...ronome.com>
Subject: Re: [PATCH 0/3] bpf: Store/dump license string for loaded program

On Mon, Apr 23, 2018 at 08:59:24AM +0200, Jiri Olsa wrote:
> hi,
> sending the change to store and dump the license
> info for loaded BPF programs. It's important for
> us get the license info, when investigating on
> screwed up machine.

hmm. boolean flag whether bpf prog is gpl or not
is already exposed via bpf_prog_info.
I see no point of wasting extra 128 bytes of kernel memory.