From: Jeff Garzik <jgarzik@pobox.com>
To: Andi Kleen <ak@suse.de>
Cc: Allen Martin <AMartin@nvidia.com>, Chris Wedgwood <cw@f00f.org>,
Michael Monnerie <m.monnerie@zmi.at>,
linux-kernel@vger.kernel.org, suse-linux-e@suse.com
Subject: Re: PCI-DMA: Out of IOMMU space on x86-64 (Athlon64x2), with solution
Date: Fri, 03 Mar 2006 17:23:29 -0500 [thread overview]
Message-ID: <4408C1E1.7090006@pobox.com> (raw)
In-Reply-To: <200603032312.13369.ak@suse.de>
Andi Kleen wrote:
> On Friday 03 March 2006 22:27, Allen Martin wrote:
>
>
>>nForce4 has 64 bit (40 bit AMD64) DMA in the SATA controller. We gave
>>the docs to Jeff Garzik under NDA. He posted some non functional driver
>>code to linux-ide earlier this week that has the 64 bit registers and
>>structures although it doesn't make use of them. Someone could pick
>>this up if they wanted to work on it though.
>
>
> Thanks for the correction. Sounds nice - hopefully we'll get a driver soon.
> I guess it's in good hands with Jeff for now.
I'll happen but not soon. Motivation is low at NV and here as well,
since newer NV is AHCI. The code in question, "NV ADMA", is essentially
legacy at this point -- though I certainly acknowledge the large current
installed base. Just being honest about the current state of things...
Jeff
next prev parent reply other threads:[~2006-03-03 22:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-03 21:27 PCI-DMA: Out of IOMMU space on x86-64 (Athlon64x2), with solution Allen Martin
2006-03-03 22:12 ` Andi Kleen
2006-03-03 22:23 ` Jeff Garzik [this message]
2006-03-03 22:32 ` Andi Kleen
2006-03-04 6:34 ` Michael Monnerie
[not found] <5Mq18-1Na-21@gated-at.bofh.it>
[not found] ` <5MqNc-2Y5-3@gated-at.bofh.it>
[not found] ` <5MqX4-39H-21@gated-at.bofh.it>
[not found] ` <5MyAS-5zh-5@gated-at.bofh.it>
2006-03-07 0:15 ` Robert Hancock
2006-04-02 7:51 ` Joerg Bashir
2006-04-02 8:00 ` Muli Ben-Yehuda
2006-04-02 8:24 ` Joerg Bashir
2006-04-02 11:16 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2006-03-01 23:23 Michael Monnerie
2006-03-02 1:03 ` Andi Kleen
2006-03-02 9:59 ` Jens Axboe
2006-03-03 8:16 ` Chris Wedgwood
2006-03-03 11:00 ` Andi Kleen
[not found] ` <200603021316.38077.ak@suse.de>
[not found] ` <4406E226.4050806@pobox.com>
2006-03-02 12:26 ` Andi Kleen
2006-03-02 12:31 ` Jens Axboe
2006-03-02 12:33 ` Jeff Garzik
[not found] ` <20060302123033.GL4329@suse.de>
2006-03-02 13:09 ` Andi Kleen
2006-03-02 13:10 ` Jens Axboe
2006-03-02 13:33 ` Andi Kleen
2006-03-02 13:33 ` Jens Axboe
2006-03-02 13:46 ` Andi Kleen
2006-03-02 13:49 ` Jens Axboe
2006-03-02 13:58 ` Andi Kleen
2006-03-02 14:14 ` Jens Axboe
2006-03-02 14:35 ` Andi Kleen
2006-03-02 14:38 ` Jens Axboe
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