linux-kernel - Re: [PATCH 2/2] pata_oldpiix: enable parallel scan

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Message-ID: <20111013201215.50541413@lxorguk.ukuu.org.uk>
Date:	Thu, 13 Oct 2011 20:12:15 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	Jeff Garzik <jgarzik@...ox.com>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] pata_oldpiix: enable parallel scan

On Thu, 13 Oct 2011 18:06:08 +0200
Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:

> Alan Cox wrote:
> 
> > On Thu, 13 Oct 2011 16:03:34 +0200
> > Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:
> > 
> > > From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> > > Subject: [PATCH] pata_oldpiix: enable parallel scan
> > > 
> > > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> > 
> > Have you tested this. When I talked with Intel people about parallel
> > scanning nobody in Intel I could find could answer whether it was safe on
> > the ancient PIIX versions.
> 
> No, it wasn't tested on the real hardware.
> 
> I think it should be in libata-dev or -mm/-next for rather long time..

I don't see it's worth adding, its near impossible to test and its for
old hardware that doesn't fast boot anyway. Really it's the netbook
generation devices where this matters.
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