linux-kernel - Re: [LOCKDEP BUG][2.6.36-rc1] xt_info

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Message-ID: <1281983814.1926.1763.camel@laptop>
Date:	Mon, 16 Aug 2010 20:36:54 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Patrick McHardy <kaber@...sh.net>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [LOCKDEP BUG][2.6.36-rc1] xt_info_wrlock?

On Mon, 2010-08-16 at 14:16 -0400, Steven Rostedt wrote:
> @@ -729,8 +729,10 @@  static void get_counters(const struct
> xt_table_info *t,
>         local_bh_enable();
>         /* Processing counters from other cpus, we can let bottom half
> enabled,
>          * (preemption is disabled)
> +        * We must turn off lockdep to avoid a false positive.
>          */
>  
> +       lockdep_off();
>         for_each_possible_cpu(cpu) {
> 
nack!
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