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Date:	Mon, 15 Mar 2010 12:16:03 -0400
From:	Steven Rostedt <>
To:	Peter Zijlstra <>
Cc:	Lai Jiangshan <>,
	Frederic Weisbecker <>,
	Américo Wang <>,
	LKML <>, Ingo Molnar <>,
	Li Zefan <>
Subject: Re: 2.6.33: ftrace triggers soft lockup

On Mon, 2010-03-15 at 10:39 -0400, Steven Rostedt wrote:

> > As I said in the offline mail, this warning is caused by global trace_clock,
> > and I sent a fix sometime ago:
> > 
> >
> Ah, I was waiting for a final Acked-by: from Peter Zijlstra.
> Peter,
> Should I pull in that patch? I don't see anything wrong with converting
> a raw_local_irq_save() to a local_irq_save() in the tracing code. I'll
> apply it locally and see if it fixes the warn on that I see.


I ran the stress test for an hour without any lockdep warnings with Li's
patch. Normally it would trigger in a second. Can I get your acked-by?


-- Steve

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