Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)

[Robert Hancock]

Jeff Garzik wrote:
> 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).
> >
> > Signed-off-by: Robert Hancock <hancockr@xxxxxxx>
>
> This is a bit nasty :/
>
> I would consider setting the consistent DMA mask to 32-bit, and setting 
> the overall mask to 64-bit.
>
> Seems like that would solve the problem?
>
> Also, does this need to be rebased on top of what I just pushed upstream?
>
>     Jeff

Jeff, ping on this one? This (or, one like it) really should make it 
into 2.6.24..

--
Robert Hancock      Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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