Re: *dma_sync_single API change to support non-coherent cpus

From: Matt Porter (porter@cox.net)
Date: Mon Mar 03 2003 - 16:40:39 EST


On Mon, Mar 03, 2003 at 11:47:23AM -0800, David S. Miller wrote:
> From: Russell King <rmk@arm.linux.org.uk>
> Date: Mon, 3 Mar 2003 19:58:25 +0000
>
> DaveM, as the author of the original PCI DMA API, any comments on this
> (probably ill-thoughtout) idea?
>
> Maybe a better idea is to kill map_single() altogether, and use
> scatterlists everywhere.
>
> Long term this is the kind of consolidation that ought to
> happen anyways.
>
> And then the implementation can stick whatever it wants in there.

Eliminating map_single() does solve our problem, but I take "Long term"
to mean 2.7. Is the proposed solution acceptable for 2.5/2.6 or are
we stuck documenting the limitation until 2.7?

Thanks,

-- 
Matt Porter
porter@cox.net
This is Linux Country. On a quiet night, you can hear Windows reboot.
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