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Date:   Fri, 12 Jun 2020 11:27:21 +0200
From:   Thomas Gleixner <>
Subject: Re: [PATCH RFC] x86/entry: Ask RCU if it needs rcu_irq_{enter,exit}()

"Paul E. McKenney" <> writes:
> +static __always_inline bool rcu_needs_irq_enter(void)
> +{
> +               (context_tracking_enabled_cpu(smp_processor_id()) || is_idle_task(current));

This reintroduces the #PF problem which started the whole conditional
RCU entry discussion:

and which made us all come to the conclusion that we can do it always
conditional. No biscuit for you. :)



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