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Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks

Subject: Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer]
From: Ingo Molnar
Date: Wed, 15 Mar 2006 23:50:16 +0100
Newsgroups: linux.kernel
* Jeff Garzik <jeff@xxxxxxxxxx> wrote:

> It won't work at all...

ok.

> You have to stop talking to PCI IDE registers completely (consumes 5 
> PCI BARs), and talk exclusively to the MMIO 6th PCI BAR, at 
> non-standard offsets and a using a proprietary DMA descriptor format 
> [all public now in that link I just sent].

just to make it easier to test: i've attached the new sata_nv.c file, 
which, to test it, should be copied over the existing 
drivers/scsi/sata_nv.c file, correct?

        Ingo

Attachment: sata_nv.c
Description: Text document

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