Subject: Re: Preempt? (was Re: Cannot enable DMA on SATA drive
	(SCSI-libsata, VIA SATA))
From: Lee Revell <rlrevell@joe-job.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Andrea Arcangeli <andrea@novell.com>,
       Nick Piggin <nickpiggin@yahoo.com.au>, Robert Love <rml@novell.com>,
       Roland Dreier <roland@topspin.com>,
       linux-kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <41636FCF.3060600@pobox.com>
References: <52is9or78f.fsf_-_@topspin.com> <4163465F.6070309@pobox.com>
	 <41634A34.20500@yahoo.com.au> <41634CF3.5040807@pobox.com>
	 <1097027575.5062.100.camel@localhost>
	 <20041006015515.GA28536@havoc.gtf.org> <41635248.5090903@yahoo.com.au>
	 <20041006020734.GA29383@havoc.gtf.org>
	 <20041006031726.GK26820@dualathlon.random> <4163660A.4010804@pobox.com>
	 <20041006040323.GL26820@dualathlon.random>  <41636FCF.3060600@pobox.com>
Content-Type: text/plain
Message-Id: <1097036205.1359.19.camel@krustophenia.net>
Mime-Version: 1.0
Date: Wed, 06 Oct 2004 00:16:46 -0400
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 739
Lines: 17

On Wed, 2004-10-06 at 00:08, Jeff Garzik wrote:
> Preempt will always be something I ask people to turn off when reporting 
> driver bugs; it just adds too much complicated mess for zero gain.

I agree that many people are using preempt who should not be.  Currently
the Kconfig help recommends enabling preempt for a "desktop or embedded
system".  Maybe we should lose the desktop part.  99% of users do not
need the low latencies that require preempt, and those users know who
they are.

Lee

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/