linux-kernel - Re: [RFC PATCH bpf-next 1/9] bpf: introduce CGROUP_SUBSYS

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Date:   Tue, 10 May 2022 15:10:09 -0700
From:   Yosry Ahmed <yosryahmed@...gle.com>
To:     Tejun Heo <tj@...nel.org>
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>, Hao Luo <haoluo@...gle.com>,
        Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Shuah Khan <shuah@...nel.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Michal Hocko <mhocko@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        David Rientjes <rientjes@...gle.com>,
        Greg Thelen <gthelen@...gle.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        cgroups@...r.kernel.org
Subject: Re: [RFC PATCH bpf-next 1/9] bpf: introduce CGROUP_SUBSYS_RSTAT
 program type

On Tue, May 10, 2022 at 3:09 PM Tejun Heo <tj@...nel.org> wrote:
>
> Hello,
>
> On Tue, May 10, 2022 at 02:55:32PM -0700, Yosry Ahmed wrote:
> > That's great to hear. I am all in for making the userspace interface
> > simpler. I will rework this patch series so that the BPF programs just
> > attach to "rstat" and send a V1.
> > Any other concerns you have that you think I should address in V1?
>
> Not that I can think of right now but my bpf side insight is really limited,
> so it might be worthwhile to wait for some bpf folks to chime in?
>

Sounds good. Will wait for feedback on the BPF side of things before I
send a V1.

> Thanks.
>
> --
> tejun