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From:   KP Singh <kpsingh@chromium.org>
Date:   Thu, 26 Mar 2020 14:11:58 +0100
To:     Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc:     open list <linux-kernel@vger.kernel.org>,
        bpf <bpf@vger.kernel.org>, linux-security-module@vger.kernel.org,
        Brendan Jackman <jackmanb@google.com>,
        Florent Revest <revest@google.com>,
        Thomas Garnier <thgarnie@google.com>,
        Yonghong Song <yhs@fb.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        James Morris <jmorris@namei.org>,
        Kees Cook <keescook@chromium.org>,
        Paul Turner <pjt@google.com>, Jann Horn <jannh@google.com>,
        Florent Revest <revest@chromium.org>,
        Brendan Jackman <jackmanb@chromium.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH bpf-next v6 1/8] bpf: Introduce BPF_PROG_TYPE_LSM
Message-ID: <20200326131158.GA8575@chromium.org>
References: <20200325152629.6904-1-kpsingh@chromium.org>
 <20200325152629.6904-2-kpsingh@chromium.org>
 <CAEf4BzYomSccqbO2AGbejQV2R2z0jz5GhEFZxuf7SGwtju+e8w@mail.gmail.com>
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On 25-M?r 18:51, Andrii Nakryiko wrote:
> On Wed, Mar 25, 2020 at 8:27 AM KP Singh <kpsingh@chromium.org> wrote:
> >
> > From: KP Singh <kpsingh@google.com>
> >
> > Introduce types and configs for bpf programs that can be attached to
> > LSM hooks. The programs can be enabled by the config option
> > CONFIG_BPF_LSM.
> >
> > Signed-off-by: KP Singh <kpsingh@google.com>
> > Reviewed-by: Brendan Jackman <jackmanb@google.com>
> > Reviewed-by: Florent Revest <revest@google.com>
> > Reviewed-by: Thomas Garnier <thgarnie@google.com>
> > Acked-by: Yonghong Song <yhs@fb.com>
> > ---
> 
> Looks good to me, so please add by ack, but I think it would be easier
> to review if this was combined with patch #4, which adds verifier
> support and kernel/bpf/syscall.c support. On its own this patch just
> adds random unused stuff.

The ordering becomes tricky as we are using the CONFIG_BPF_LSM in
"bpf: lsm: provide attachment points for BPF LSM
programs". If it's not too much trouble, I would appreciate if we can
keep the order.

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

Added your ack Thanks :)

- KP

> 
> >  MAINTAINERS                    |  1 +
> >  include/linux/bpf.h            |  3 +++
> >  include/linux/bpf_types.h      |  4 ++++
> >  include/uapi/linux/bpf.h       |  2 ++
> >  init/Kconfig                   | 12 ++++++++++++
> >  kernel/bpf/Makefile            |  1 +
> >  kernel/bpf/bpf_lsm.c           | 17 +++++++++++++++++
> >  kernel/trace/bpf_trace.c       | 12 ++++++------
> >  tools/include/uapi/linux/bpf.h |  2 ++
> >  tools/lib/bpf/libbpf_probes.c  |  1 +
> >  10 files changed, 49 insertions(+), 6 deletions(-)
> >  create mode 100644 kernel/bpf/bpf_lsm.c
> >
> 
> [...]