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

From: Gérard Roudier (groudier@free.fr)
Date: Thu Dec 13 2001 - 11:39:19 EST


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.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Dec 15 2001 - 21:00:26 EST