linux-kernel - Re: [PATCH -tip v11 00/27] kprobes: Fix stacktrace with kretprobes on x86

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Message-ID: <20210930193708.3b2caf23@oasis.local.home>
Date:   Thu, 30 Sep 2021 19:37:08 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Ingo Molnar <mingo@...nel.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Kernel Team <kernel-team@...com>, linux-ia64@...r.kernel.org,
        Abhishek Sagar <sagar.abhishek@...il.com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Paul McKenney <paulmck@...nel.org>
Subject: Re: [PATCH -tip v11 00/27] kprobes: Fix stacktrace with kretprobes
 on x86

On Fri, 1 Oct 2021 08:27:33 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> Let me explain how the patches are usually merged.
> 
> - kernel/kprobes.c related patches go through the tip tree.
> - kernel/trace/* patches go through the tracing tree.

And arch/*/kprobe* usually goes through tip as well.

> 
> So traditionally(?) I think this series go through the tip tree,
> but since the biggest user of kprobes is tracing and the kprobes fix
> now involves tree-wide fixes as you can see in this series, I think
> it is a good timing to move kprobes to tracing tree.

I'll pick it up and take the burden off of Thomas.

Just to confirm, this is for the next merge window, right?

-- Steve