From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
RT <linux-rt-users@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [BUG RT] - rcupreempt.c:133 on 2.6.23-rc1-rt7
Date: Sun, 5 Aug 2007 17:26:27 +0200 [thread overview]
Message-ID: <20070805152627.GA14029@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.58.0708051019560.8421@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> 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
prev parent reply other threads:[~2007-08-05 15:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-05 4:51 [BUG RT] - rcupreempt.c:133 on 2.6.23-rc1-rt7 Steven Rostedt
2007-08-05 5:05 ` Steven Rostedt
2007-08-05 6:59 ` Ingo Molnar
2007-08-05 14:24 ` Steven Rostedt
2007-08-05 15:04 ` Paul E. McKenney
2007-08-05 15:35 ` [PATCH RT] put in a relatively high number for rcu read lock upper limit Steven Rostedt
2007-08-05 17:53 ` Ingo Molnar
2007-08-05 17:58 ` Steven Rostedt
2007-08-06 3:20 ` Paul E. McKenney
2007-08-05 15:26 ` Ingo Molnar [this message]
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