linux-kernel - Re: [BUG] lockdep splat using mmio tracer

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Message-ID: <20221202104334.649dacdf@eldfell>
Date:   Fri, 2 Dec 2022 10:43:34 +0200
From:   Pekka Paalanen <ppaalanen@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        Karol Herbst <kherbst@...hat.com>
Subject: Re: [BUG] lockdep splat using mmio tracer

On Thu, 1 Dec 2022 21:31:26 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> I hit this while testing ftrace on an x86 32 bit VM (I've just started
> converting my tests to run on a VM, which is find new found bugs).

Hi Steven,

sorry, I don't think I know anymore how mmiotrace works. Surely the
kernel has changed in those more than 10 years since I last looked at
it. If I'm still listed as a contact for mmiotrace somewhere, maybe it
would be best to drop me?

I don't mind the emails, it's nice to see people hit or touch it, but
I'm afraid I can't help.

Thanks,
pq

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