linux-kernel - Re: [4.4-rt PATCH] trace: use rcuidle version for preemptoff

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Message-ID: <20160226095410.35b2aa67@gandalf.local.home>
Date:	Fri, 26 Feb 2016 09:54:10 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	linux-rt-users@...r.kernel.org, Yang Shi <yang.shi@...driver.com>
Subject: Re: [4.4-rt PATCH] trace: use rcuidle version for preemptoff_hist
 trace point

On Fri, 26 Feb 2016 11:25:13 +0100
Sebastian Andrzej Siewior <bigeasy@...utronix.de> wrote:

> Steven, does this change look reasonable to you? I remember we had a
> discussion about this.

I'm still very nervous about having tracepoints in the preemptirqsoff
section. But that's not relevant to this patch.

I'm fine with it. Go ahead and apply it if it doesn't break anything ;-)

-- Steve

> 
> * Yang Shi | 2016-02-23 13:23:23 [-0800]:
> 
> >When running -rt kernel with both PREEMPT_OFF_HIST and LOCKDEP enabled,
> >the below error is reported:
> >