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SubjectRE: [PATCH 3/7] PCI: Distribute available buses to hotplug capable PCIe downstream ports
Date
From: Bjorn Helgaas
> Sent: 12 October 2017 00:33
> Why do you limit it to PCIe? Isn't it conceivable that one could
> hot-add a conventional PCI card that contained a bridge leading to
> another hotplug slot? E.g., a PCI card with PCMCIA slot or something
> on it?

There are (maybe were!) cardbus cards that contained PCI bridges to
connect to expansion chassis.
Bus enumeration was always a problem unless they were connected
at boot time.

David

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