netdev - Re: [PATCH bpf-next v2] libbpf: clarify flags in ringbuf helpers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAEf4BzYrK+TbYT6_rjZHjeDQ5Nea15Zk2JYU4Dqp_g8MPVup8g@mail.gmail.com>
Date:   Mon, 12 Apr 2021 21:29:22 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Pedro Tammela <pctammela@...il.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, Joe Stringer <joe@...ium.io>,
        Quentin Monnet <quentin@...valent.com>,
        "open list:BPF (Safe dynamic programs and tools)" 
        <netdev@...r.kernel.org>,
        "open list:BPF (Safe dynamic programs and tools)" 
        <bpf@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>,
        Pedro Tammela <pctammela@...atatu.com>
Subject: Re: [PATCH bpf-next v2] libbpf: clarify flags in ringbuf helpers

On Mon, Apr 12, 2021 at 12:25 PM Pedro Tammela <pctammela@...il.com> wrote:
>
> In 'bpf_ringbuf_reserve()' we require the flag to '0' at the moment.
>
> For 'bpf_ringbuf_{discard,submit,output}' a flag of '0' might send a
> notification to the process if needed.
>
> Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
> ---

Great, thanks! Applied to bpf-next.

>  include/uapi/linux/bpf.h       | 16 ++++++++++++++++
>  tools/include/uapi/linux/bpf.h | 16 ++++++++++++++++
>  2 files changed, 32 insertions(+)
>

[...]