Re: [ANNOUNCE] Linux 2.6 Real Time Kernel

[Ingo Molnar]

* Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:

> One caution (which you are no doubt already aware of) -- if an RCU
> algorithm that reads (rcu_read_lock()/rcu_read_unlock()) in process
> context and updates in softirq/bh/irq context, you can see deadlocks.

yeah - but in the PREEMPT_REALTIME kernel there are simply no irq or
softirq contexts in process contexts - everything is a task. So
everything can (and does) block.

	Ingo
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