Re: [PATCH v11 10/14] module: kallsyms: Fix suspicious rcu usage

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On Mon 2022-06-27 23:56 -0400, Steven Rostedt wrote:
> > +	preempt_enable();
> 
>         ^^^^^^^^^^^^^^^^^
> 
> This just introduced an unbounded latency and will fail PREEMPT_RT.
> 

Hi Steve,

Sorry about that!

If I understand correctly, there is absolutely no need to explicitly
disable preemption in this context. I will use: rcu_read_lock() and
rcu_read_unlock(), respectively, which will then be suitable for the
preemptible RCU implementation.


Kind regards,

-- 
Aaron Tomlin




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