Re: [BUG RT] - rcupreempt.c:133 on 2.6.23-rc1-rt7

From: Ingo Molnar
Date: Sun Aug 05 2007 - 11:27:06 EST



* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> The code on line 133 is:
>
> WARN_ON_ONCE(current->rcu_read_lock_nesting > NR_CPUS);
>
> I have NR_CPUS set to 2 since the box I'm running this on only has 2
> cpus and I see no reason to waste more data structures.
>
> Is rcu read lock nesting deeper than 2?

ah, silly me - that should indeed be something fixed like 128.

Ingo
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