Messages in this thread | | | Date | Tue, 28 Jun 2022 17:21:22 +0100 | From | Aaron Tomlin <> | Subject | 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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