linux-kernel - Re: [ANNOUNCE] 3.0-rt7 - Error with low latency desktop config

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Message-ID: <201108101833.54661.tim.sander@hbm.com>
Date:	Wed, 10 Aug 2011 18:33:54 +0200
From:	"Tim Sander" <tim.sander@....com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	"Peter Zijlstra" <peterz@...radead.org>,
	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	"linux-rt-users" <linux-rt-users@...r.kernel.org>
Subject: Re: [ANNOUNCE] 3.0-rt7 - Error with low latency desktop config

Hi Uwe

I triple checked.
> I think targetinstall should ask about the changed config items.
It only asks one way, when going from an upatched kernel to an patched one.
Since i was coming from an preempt rt kernel to an unpatched one no questions
where asked (probably since all settings where still in place as i wasn't 
using the preempt rt feature with the preempt rt patched kernel source
aka "Low latency desktop")

> check if ${PROJECT_DIR}/${PLATFORMNAME}/build/linux-3.0/ (or similar)
> really has the rt patch applied. (e.g. is there a localversion-rt file?)
Yes, one version has rt7 appended the other not.

But i think the regression when going from 3.0-rt7 to 3.0.1-rt8 with 
CONFIG_PREEMPT_RTB is more worthwhile to discuss. Which i detailed in the 
other mail.

Best regards
Tim

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