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SubjectRe: PCI Express support for 2.4 kernel

This really isn't appropriate. The

With PCI-E, config space accessed through memory. Each device gets
its own 4k memory mapped config, total 256M for all devices.

thing _really_ does not work on x86, since 256M of IO mapping is _way_ way
too much.

You _really_ need to allocate a FIXMAP entry (just one), and then use

set_fixmap_nocache(FIX_PCIEXPRESS, phys);

to set it up for each device.

That's actually going to be a lot simpler than what you do now.


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