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

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Message-ID: <20071213182529.GD10307@linux.vnet.ibm.com>
Date:	Thu, 13 Dec 2007 10:25:29 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Steven Rostedt <rostedt@...dmis.org>
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 Thu, Dec 13, 2007 at 07:52:41AM -0500, Steven Rostedt wrote:
> 
> 
> 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 :-(

That sounds like something -I- would do!!!  ;-)

> I blame the expresso!

If you give -me- espresso, you also have to give me a putty knife so that
I can scrape myself off of the ceiling!

> > Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> 
> OK, will apply to -rt14

Thank you!

							Thanx, Paul
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