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In-Reply-To: <20230728032232.816584-2-paulmck@kernel.org>
From:   John Stultz <jstultz@google.com>
Date:   Mon, 7 Aug 2023 20:27:29 -0700
Message-ID: <CANDhNCpCrwbMp8oTwvTab+-Q1b52zJvMuZiV9LW-bP2Zgqqyhg@mail.gmail.com>
Subject: Re: [PATCH rcu 2/2] torture: Add lock_torture writer_fifo module parameter
To:     "Paul E. McKenney" <paulmck@kernel.org>
Cc:     rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@meta.com, rostedt@goodmis.org,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Josh Triplett <josh@joshtriplett.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Valentin Schneider <vschneid@redhat.com>,
        kernel-team@android.com, Davidlohr Bueso <dave@stgolabs.net>
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On Thu, Jul 27, 2023 at 8:22=E2=80=AFPM Paul E. McKenney <paulmck@kernel.or=
g> wrote:
>
> From: Dietmar Eggemann <dietmar.eggemann@arm.com>
>
> This commit adds a module parameter that causes the locktorture writer
> to run at real-time priority.
>
> To use it:
> insmod /lib/modules/torture.ko random_shuffle=3D1
> insmod /lib/modules/locktorture.ko torture_type=3Dmutex_lock rt_boost=3D1=
 rt_boost_factor=3D50 nested_locks=3D3 writer_fifo=3D1
>                                                                          =
                               ^^^^^^^^^^^^^
>
> A predecessor to this patch has been helpful to uncover issues with the
> proxy-execution series.
>
> [ paulmck: Remove locktorture-specific code from kernel/torture.c. ]

Thanks again for improving this!  I've switched over to your version
here in my test tree.

Acked-by: John Stultz <jstultz@google.com>

thanks
-john