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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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