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I've read this:

Modularized USB drivers are loaded by the generic /sbin/hotplug support in the ker- nel, which is also used for other hotplug devices such as CardBus cards.

Therefore , Could we say that hotplug is the responsible on loading/unloading modules automatically ?

1 Answer 1


From the kernel documentation:

The hotplug mechanism asynchronously notifies userspace when hardware is inserted, removed, or undergoes a similar significant state change.

There is an event variable for modules, called DRIVER, that suggests a driver for handling the hotplugged device.

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