linux-kernel - Re: [PATCH, RFC] hacks to allow -rt to run kernbench on POWER

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Message-ID: <Pine.LNX.4.58.0712130748230.27141@gandalf.stny.rr.com>
Date:	Thu, 13 Dec 2007 07:52:41 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
cc:	linux-kernel@...r.kernel.org, tony@...eyournoodle.com,
	paulus@...ba.org, benh@...nel.crashing.org, dino@...ibm.com,
	tytso@...ibm.com, dvhltc@...ibm.com, antonb@...ibm.com
Subject: Re: [PATCH, RFC] hacks to allow -rt to run kernbench on POWER



On Wed, 12 Dec 2007, Paul E. McKenney wrote:

> >
> > I'm pulling your patch for the above added code. Took me a few hours to
> > find the culprit, but I was getting scheduling in atomic bugs. Turns out
> > that this code you put "preempt_disable" in calls sleeping spinlocks.
> >
> > Might want to run with DEBUG_PREEMPT.
>
> I thought that you had already pulled the above version...
>
> Here is the replacement that I posted on November 9th (with much help
> from Ben H):
>
> http://lkml.org/lkml/2007/11/9/114

OK, sorry, I somehow got the two reversed, and I think I replaced the new
one with the old one :-(

I blame the expresso!

>
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

OK, will apply to -rt14

Thanks,

-- Steve
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