Support for PCI Hotplug

modulename: pci_hotplug.ko

configname: CONFIG_HOTPLUG_PCI

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>Support for PCI Hotplug
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you have a motherboard with a PCI Hotplug controller.
This allows you to add and remove PCI cards while the machine is
powered up and running.

Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.

When in doubt, say N.

source code: