Messages in this thread | | | Date | Thu, 13 Dec 2001 17:39:19 +0100 (CET) | From | Gérard Roudier <> | Subject | Re: highmem, aic7xxx, and vfat: too few segs for dma mapping |
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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.
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