linux-kernel - Re: [PATCH v4 3/9] bpf/btf: Add a function to search a member of a struct/union

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Message-ID: <20230802121134.52e75b91@gandalf.local.home>
Date:   Wed, 2 Aug 2023 12:11:34 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Florent Revest <revest@...omium.org>
Cc:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
        linux-trace-kernel@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        bpf <bpf@...r.kernel.org>, Sven Schnelle <svens@...ux.ibm.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alan Maguire <alan.maguire@...cle.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v4 3/9] bpf/btf: Add a function to search a member of a
 struct/union

On Wed, 2 Aug 2023 16:44:09 +0200
Florent Revest <revest@...omium.org> wrote:

> > [ Adding Mark and Florent ]  
> 
> Ah, thanks Steve! That's my favorite can of worms :) I actually
> consider sending a talk proposal to the tracing MC at LPC "pt_regs -
> the good the bad and the ugly" on this very topic because I care about
> unblocking BPF "multi_kprobe" (which really is fprobe) on arm64, maybe
> it would be interesting.

You bring up some excellent points, and the CFP for the Tracing MC is still
open. Which reminds me, I need to write my blog post!

-- Steve