From: Andre Hedrick <andre@linux-ide.org>
To: Anton Altaparmakov <aia21@cam.ac.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sorted - was: How to add a drive to DMA black list?
Date: Thu, 16 Nov 2000 17:41:33 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.10.10011161740120.6910-100000@master.linux-ide.org> (raw)
In-Reply-To: <5.0.0.25.2.20001117013109.00a5aeb0@pop.cus.cam.ac.uk>
On Fri, 17 Nov 2000, Anton Altaparmakov wrote:
> I am sure you knew this perfectly well already but just in case it is helpful:
>
> the offending code is in:
>
> drivers/ide/piix.c::piix_dmaproc [starts on line 402 in 2.4.0-test11-pre5]
>
> It calls piix_config_drive_for_dma and only then calls ide_dmaproc.
>
> It is ide_dmaproc that does the good/bad test so obviously it is called too
> late.
Sorry I have not looked at the PIIX code in a long time and forgot that it
was not complete with the table checks. But I will get there soon.
Cheers,
Andre Hedrick
CTO Timpanogas Research Group
EVP Linux Development, TRG
Linux ATA Development
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next prev parent reply other threads:[~2000-11-17 2:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-17 0:13 Anton Altaparmakov
2000-11-17 1:19 ` sorted - was: " Anton Altaparmakov
2000-11-17 1:26 ` Andre Hedrick
2000-11-17 10:55 ` Alan Cox
2000-11-17 19:12 ` Andre Hedrick
2000-11-17 1:34 ` Anton Altaparmakov
2000-11-17 1:41 ` Andre Hedrick [this message]
2000-11-17 10:52 ` Alan Cox
2000-11-17 11:03 ` Anton Altaparmakov
2000-11-17 11:26 ` Alan Cox
2000-11-19 16:50 ` Anton Altaparmakov
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