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    SubjectRe: [PATCH]PCI:disable resource decode in PCI BAR detection
    On Sun, Sep 16, 2007 at 01:52:59PM -0600, Matthew Wilcox wrote:
    > I don't think it would be that complicated. We could just delay probing
    > for mmconfig until after the pci bus probes are done. No changes to
    > other architectures needed.

    Indeed. Seems like it's a way to go.

    > I'm really disappointed with mmconfig. Here was a great chance to get
    > rid of all the sucky performance problems of the past, and BIOS writers
    > and chipset designers have fucked up the implementation so much that
    > it's now the ugliest method for getting to pci config space. And it's
    > the *only* method of getting to extended config space.

    Same feeling...

    Fortunately, it seems that we don't access the extended config space
    during bus probe.

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      Last update: 2007-09-17 11:35    [W:0.020 / U:53.900 seconds]
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