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


    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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