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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Robert Hancock <hancockr@shaw.ca>, Alexander <aledin@mail.ru>,
	linux-kernel@vger.kernel.org, ide <linux-ide@vger.kernel.org>,
	Jeff Garzik <jeff@garzik.org>, Tejun Heo <htejun@gmail.com>
Subject: Re: PROBLEM REMAINS: [sata_nv ADMA breaks ATAPI] Crash	on	accessing DVD-RAM
Date: Sun, 13 Jan 2008 16:29:59 +0000	[thread overview]
Message-ID: <20080113162959.01d519db@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1200238725.3179.16.camel@localhost.localdomain>

> Yes, I concur for the short term.  The other two possible courses of
> action either involve long discussions (the different device one) or
> you'll never quite be sure you got all the paths (the GFP_DMA32 one).
> At least with this one, you know everything will work.

The different device one is tricky because the PCI layer is involved in
mapping on some systems so you can't just magic up a platform device for
it. Putting a mask on the block queue might perhaps work as a model
which avoids breaking stuff by suprise, with the device left at 32bit
masking.

  reply	other threads:[~2008-01-13 16:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.krOVfyFmB2aqGjJIoHCLmQxecWc@ifi.uio.no>
2008-01-11  5:46 ` Robert Hancock
2008-01-12  8:25   ` Alexander
2008-01-12 19:25     ` Robert Hancock
2008-01-12 20:35       ` James Bottomley
2008-01-12 23:04         ` Robert Hancock
2008-01-12 23:27           ` James Bottomley
2008-01-13  1:38             ` Robert Hancock
2008-01-13  3:12               ` James Bottomley
2008-01-13 13:33               ` Alan Cox
2008-01-13 15:38                 ` James Bottomley
2008-01-13 16:29                   ` Alan Cox [this message]
2008-01-13 16:51                     ` James Bottomley
2008-01-15  1:41                       ` Robert Hancock
2008-01-15  2:23                         ` James Bottomley
2008-02-01  0:09 ` Robert Hancock
2008-02-01  9:59   ` Alexander
2008-02-04  8:29   ` Alexander
2008-01-10 13:44 Alexander

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