From: Mark Lord <liml@rtr.ca>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
ide <linux-ide@vger.kernel.org>, Jeff Garzik <jeff@garzik.org>,
Tejun Heo <htejun@gmail.com>
Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)
Date: Fri, 23 Nov 2007 10:22:21 -0500 [thread overview]
Message-ID: <4746F02D.2060204@rtr.ca> (raw)
In-Reply-To: <47463534.9010100@shaw.ca>
Robert Hancock wrote:
> This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode
> on systems with memory located above 4GB. We need to delay setting the 64-bit
> DMA mask until the PRD table and padding buffer are allocated so that they don't
> get allocated above 4GB and break legacy mode (which is needed for ATAPI
> devices).
...
Mmm.. I wonder how many other libata drivers have this exact same bug,
whether noticed yet or not ?
Cheers
next prev parent reply other threads:[~2007-11-23 15:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-23 2:04 [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3) Robert Hancock
2007-11-23 15:22 ` Mark Lord [this message]
2007-11-23 17:30 ` Morrison, Tom
2007-11-23 17:46 ` Mark Lord
2007-11-23 18:47 ` Morrison, Tom
2007-11-23 20:40 ` Mark Lord
2007-11-24 0:13 ` Robert Hancock
2007-11-24 0:20 ` Jeff Garzik
2007-11-24 0:31 ` Robert Hancock
2007-11-24 2:48 ` Mark Lord
2007-11-24 5:12 ` Tejun Heo
2007-12-04 22:17 ` Jeff Garzik
2007-12-05 1:09 ` Robert Hancock
2007-12-28 21:37 ` Robert Hancock
2007-12-08 18:36 ` Robert Hancock
2007-12-17 11:44 ` shyam_iyer
2007-12-17 16:17 ` shyam_iyer
2007-12-18 2:50 ` Tejun Heo
2007-12-18 3:52 ` Tejun Heo
2007-12-18 10:22 ` Shyam_Iyer
2007-12-18 12:12 ` Shyam_Iyer
2007-12-20 11:15 ` shyam_iyer
2007-12-17 11:47 ` shyam_iyer
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