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Date: Fri, 20 Jul 2012 19:04:20 -0700
From: Julian Elischer <julian@freebsd.org>
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Subject: PCIe hotplug
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Is anyone looking at PCIe hotplug support?

I'm especially interested if anyone has a strategy for device 
re-insertion and reassociating
the reinserted device with its old device_t so that it gets the same 
unit number..
(assumes access to a serial number or similar)
Even if it is put back into a different slot.