linux-kernel - Re: [PATCH 2/3] pata_oldpiix: add locking for parallel scanning

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Message-ID: <20100218214531.60a08f00@lxorguk.ukuu.org.uk>
Date:	Thu, 18 Feb 2010 21:45:31 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] pata_oldpiix: add locking for parallel scanning

On Thu, 18 Feb 2010 19:59:28 +0100
Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:

> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> Subject: [PATCH] pata_oldpiix: add locking for parallel scanning
> 
> Add an extra locking for parallel scanning.
> 
> This is similar change as commit 60c3be3 for ata_piix host driver
> and while pata_oldpiix doesn't enable parallel scan yet the race
> could probably also be triggered by requesting re-scanning of both
> ports at the same time using SCSI sysfs interface.
> 
> Fix documentation while at it.
> 
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>

Acked-by: Alan Cox <alan@...ux.intel.com>
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