>Old-Return-Path: <[EMAIL PROTECTED]>
>On Wed, Aug 20, 2003 at 04:54:46PM +0200, Joerg Schilling wrote:
>
>> Unfortunately, Linux is not a orthogonal OS and he did fix the problem only for
>> an user/kernel interface that is whanted by Linus Torvalds but does not fit into
>> a systematic view of a clean and orthogonal USER/OS interface.
>
>What's your view of the new ata scsi driver (or what is it called now,
>libata?) by Jeff Garzik? Is there hope that it'll solve the DMA problem,
>even for Linux 2.4?
I did not have the time to look at what he does.
The DMA problem in Linux is caused by the face that different to Solaris,
Linux has no single unique and globally usable DMA setup function.
You have one device, 4 incompatible ways of accessing this device and 5 methods
of setting up DMA for this device, this is Linux.
Jörg
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