hi, Boqun,

On Mon, Feb 24, 2025 at 07:37:25PM -0800, Boqun Feng wrote:

[...]

> > 
> > * b9aa59295f037 rcutorture: Update ->extendables check for lazy preemption
> > * 5ffd825e807bd rcutorture: Update rcutorture_one_extend_check() for lazy 
> > preemption
> > * c9b55f9da0d2c rcu: limit PREEMPT_RCU configurations
> > 
> > we also made the test upon 5ffd825e807bd, which still shows the similar 
> > WARN.
> > is this expected?
> > 
> 
> Yes, that's expected, and that's why commit b9aa59295f037 is needed,

thanks a lot for information!

> thank you for the double confirmation.

you are welcome. always our great pleasure :)

> 
> Regards,
> Boqun
> 
> > > 
> > >                                                   Thanx, Paul
> > > 
> > > > +               mask |= RCUTORTURE_RDR_PREEMPT | RCUTORTURE_RDR_SCHED;
> > > > +
> > > > +       WARN_ONCE(cur_ops->readlock_nesting && !(curstate & mask) &&
> > > >                   cur_ops->readlock_nesting() > 0, ROEC_ARGS);
> > > >  }
> > > >  
> > > > -- 
> > > > 2.39.5 (Apple Git-154)
> > > > 
> 

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