linux-kernel - Re: [v3,4/12] rcutorture: Make torture.sh --do-rt use CONFIG_PREEMPT

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Message-ID: <cbf9cc21-a2bc-41db-a115-328711639f4c@paulmck-laptop>
Date: Tue, 8 Apr 2025 09:20:13 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Joel Fernandes <joelagnelf@...dia.com>
Cc: rcu <rcu@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org>,
	kernel-team <kernel-team@...a.com>, rostedt <rostedt@...dmis.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [v3,4/12] rcutorture: Make torture.sh --do-rt use
 CONFIG_PREEMPT_RT

On Tue, Apr 08, 2025 at 02:29:19PM -0000, Joel Fernandes wrote:
> Hello, Paul,
> 
> On Tue, 8 Apr 2025 14:23:32 GMT, "Paul E. McKenney" wrote:
> > The torture.sh --do-rt command-line parameter is intended to mimic -rt
> > kernels.  Now that CONFIG_PREEMPT_RT is upstream, this commit makes this
> > mimicking more precise.
> > 
> > Note that testing of RCU priority boosting is disabled in favor
> > of forward-progress testing of RCU callbacks.  If it turns out to be
> > possible to make kernels built with CONFIG_PREEMPT_RT=y to tolerate
> > testing of both, both will be enabled.
> > 
> > [ paulmck: Apply Sebastian Siewior feedback. ]
> > 
> > Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> > Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> 
> I pulled this from your -dev branch for 6.16. I checked and this patch is the
> only one changed so feel free to not re-send the whole series (I will be
> resending it anyway once I have all the topic branches).

Works for me, thank you!

> Also, I added your sign off as it was missing:
> [PATCH 03/12] rcutorture: Split out beginning and end from
> rcu_torture_one_read()

I should have caught that!  Thank you for fixing it up.

							Thanx, Paul