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Subject: Re: [PATCH 2/2] lockdep: allow user to disable
 CONFIG_TRACE_IRQFLAGS
From: Peter Zijlstra <peterz@infradead.org>
To: tom.leiming@gmail.com
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org
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References: <1272988944-2448-1-git-send-email-tom.leiming@gmail.com>
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Date: Tue, 04 May 2010 18:26:05 +0200
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On Wed, 2010-05-05 at 00:02 +0800, tom.leiming@gmail.com wrote:
> There is still the lost irq-on tracing issue on ARM,
> (see http://marc.info/?l=linux-arm-kernel&m=126047420005553&w=2)
> which may disable lockdep after kernel boot, seems no
> good solution for the issue up to now. 

Well, do like x86 does in entry.S call into lockdep right before
returning to userspace.