linux-kernel - Re: hdparm for lib

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Message-ID: <45C8EDA7.2090303@garzik.org>
Date:	Tue, 06 Feb 2007 16:05:43 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Bill Davidsen <davidsen@....com>
CC:	Robert Hancock <hancockr@...w.ca>, Stephen.Clark@...lark.us,
	Patrick Ale <patrick.ale@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: hdparm for lib_pata

Bill Davidsen wrote:
> I think deciding to turn off DMA which works fine in old kernels 
> qualifies as a "serious driver problem," which is why it should be under 
> user control.

For PATA, perhaps.

For SATA, turning off DMA can often -cause- additional problems.

	Jeff


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