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Date: Mon, 3 Mar 2003 14:40:39 -0700
From: Matt Porter <porter@cox.net>
To: "David S. Miller" <davem@redhat.com>
Cc: rmk@arm.linux.org.uk, porter@cox.net, linux-kernel@vger.kernel.org
Subject: Re: *dma_sync_single API change to support non-coherent cpus
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References: <20030303111848.A31278@home.com> <20030303195825.C17997@flint.arm.linux.org.uk> <20030303.114723.65560821.davem@redhat.com>
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In-Reply-To: <20030303.114723.65560821.davem@redhat.com>; from davem@redhat.com on Mon, Mar 03, 2003 at 11:47:23AM -0800
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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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