netdev - Re: [PATCH v2 bpf-next 1/3] capability: introduce CAP_BPF and CAP

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Message-ID: <20190829172410.j36gjxt6oku5zh6s@ast-mbp.dhcp.thefacebook.com>
Date:   Thu, 29 Aug 2019 10:24:11 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     Alexei Starovoitov <ast@...nel.org>, luto@...capital.net,
        davem@...emloft.net, peterz@...radead.org, rostedt@...dmis.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com,
        linux-api@...r.kernel.org
Subject: Re: [PATCH v2 bpf-next 1/3] capability: introduce CAP_BPF and
 CAP_TRACING

On Thu, Aug 29, 2019 at 09:44:18AM +0200, Toke Høiland-Jørgensen wrote:
> Alexei Starovoitov <ast@...nel.org> writes:
> 
> > CAP_BPF allows the following BPF operations:
> > - Loading all types of BPF programs
> > - Creating all types of BPF maps except:
> >    - stackmap that needs CAP_TRACING
> >    - devmap that needs CAP_NET_ADMIN
> >    - cpumap that needs CAP_SYS_ADMIN
> 
> Why CAP_SYS_ADMIN instead of CAP_NET_ADMIN for cpumap?

Currently it's cap_sys_admin and I think it should stay this way
because it creates kthreads.