linux-kernel - Re: [for-next][PATCH 03/13] fprobe: Add ftrace based probe APIs

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Message-ID: <CAADnVQJSZhJo5XK-h6t8oHuNtiPxYx9Zjav=wvm92m-cpTpghw@mail.gmail.com>
Date:   Thu, 17 Mar 2022 17:26:23 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Andrii Nakryiko <andrii.nakryiko@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jiri Olsa <jolsa@...nel.org>,
        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@...omium.org>,
        "Naveen N . Rao" <naveen.n.rao@...ux.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [for-next][PATCH 03/13] fprobe: Add ftrace based probe APIs

On Thu, Mar 17, 2022 at 4:49 PM Steven Rostedt <rostedt@...dmis.org> wrote:
>
> On Thu, 17 Mar 2022 15:03:33 -0700
> Andrii Nakryiko <andrii.nakryiko@...il.com> wrote:
>
> > Do I understand correctly that this patch set was applied in your
> > tree? I was under the impression that we agreed to route this through
> > the bpf-next tree earlier (see [0]), but I might have misunderstood
> > something, sorry.
> >
> > Either way, the reason it matters is because Jiri's multi-attach
> > kprobe patch set ([1]) is depending on Masami's patches and having
> > fprobe patches in bpf-next tree would simplify logistics
> > significantly.
>
> I knew Jiri's patches were to go through the bpf tree, but I missed that
> those were dependent on this and you wanted these to go through as well.
>
> I had just finished my automated tests that ran these patches. I haven't
> pushed them to my next branch yet so I can hold them off. I don't have
> anything dependent on them.

Excellent. Thanks for testing.

> Would you be able to take these for-next patches directly (as they all have
> been tested) and you can switch my signed-off-by to Reviewed-by.
>
> The first of the series is unrelated and will go through my tree. That's
> the user_events patch.

Right.
We're talking about this set:
https://patchwork.kernel.org/project/netdevbpf/cover/164735281449.1084943.12438881786173547153.stgit@devnote2/

I believe it has a small doc difference vs what you've tested.
Looks like our CI is green on it too.
We'll do additional testing and add your SOB and Tested-by
before pushing.

Thanks!