Re: [v2,04/12] rcutorture: Make torture.sh --do-rt use CONFIG_PREEMPT_RT

[Joel Fernandes]

Hello,

On Wed, 2 Apr 2025 16:17:06 GMT, Sebastian Andrzej Siewior wrote:
> On 2025-03-31 14:03:06 [-0700], 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.
> 
> Not sure what you point at here: You can build a PREEMPT_RT kernel and
> RCU boosting is enabled by default. You could disable it if needed.

Yeah, RCU_BOOST has default y if PREEMPT_RT.

Paul, should we be disabling it in the --do-rt script?

thanks,

 - Joel