linux-kernel - Re: [PATCH] sata_nv: complain on spurious completion notifiers

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Date:	Fri, 23 Feb 2007 05:37:54 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Robert Hancock <hancockr@...w.ca>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Tejun Heo <htejun@...il.com>
Subject: Re: [PATCH] sata_nv: complain on spurious completion notifiers

Robert Hancock wrote:
> Recently Tejun wrote a patch to ahci.c to make it raise a HSM violation
> if the drive attempted to complete a tag that wasn't outstanding. We could
> run into the same problem with sata_nv ADMA. This adds code to raise a HSM
> violation error if the controller gives us a notifier tag that isn't
> outstanding, since the drive may be issuing spurious completions.
> 
> Signed-off-by: Robert Hancock <hancockr@...w.ca>

applied


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