linux-kernel - Re: [PATCH 3/3] x86/ftrace: Use text

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Message-ID: <20191021231904.4b968dc1@oasis.local.home>
Date:   Mon, 21 Oct 2019 23:19:04 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>,
        Nadav Amit <nadav.amit@...il.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Song Liu <songliubraving@...com>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH 3/3] x86/ftrace: Use text_poke()

On Mon, 21 Oct 2019 23:16:30 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> > what bugs you're seeing?
> > The IPI frequency that was mentioned in this thread or something else?
> > I'm hacking ftrace+bpf stuff in the same spot and would like to
> > base my work on the latest and greatest.  

I'm also going to be touching some of this code too, as I'm waiting for
Peter's code to settle down. What are you touching? I'm going to be
working on making the dyn_ftrace records smaller, and this is going to
change the way the iterations work on modifying the code.

This is what I discussed on stage at Kernel Recipes with Willy Tarreau.

-- Steve