Re: highmem, aic7xxx, and vfat: too few segs for dma mapping

Gérard Roudier
2001-12-13T19:33:51Z

On Wed, 12 Dec 2001, David S. Miller wrote:

> From: Gérard Roudier <groudier@free.fr>
> Date: Wed, 12 Dec 2001 18:22:30 +0100 (CET)
>
> PCI was intended to be implemented as a LOCAL BUS with all agents on the
> LOCAL BUS being able to talk with any other agent using a flat addressing
> scheme. Your PCI thing does not look like true PCI to me, but rather like
> some bad mutant that has every chance not to survive a long time.
>
> Intentions are neither here nor there. PCI is MORE USEFUL, because
> you CAN do things like IOMMU's and treat PCI like a complete seperate
> I/O bus world.

But there are a couple of things you cannot do with PCI. For example, you
cannot mow the lawn with PCI. But since there is always room for
improvement... :-) :-)

Gérard.