RE: hotpluggable device detection

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-----Original Message-----
From: kernelnewbies-bounce@xxxxxxxxxxxx
[mailto:kernelnewbies-bounce@xxxxxxxxxxxx]On Behalf Of Greg KH

>Now if you have a machine that has a PCI Hotplug controller, that would
>be a totally different issue, but you don't say that...

	The PCI hotplug spec talks about the necessity of a user application
to 
inform the hotplug subsytem about the proposed insertion/removal of a 
PCI device so that the corresponding slot can be powered off and other
necessary actions can be taken for the safe insertion/removal of the device.

Is the same implemented in Linux? I have worked with hotplug devices like
cardbus
where the Cardbus-PCI bridge will inform the processor about the
insertion/removal
of a device by means of an interrupt but here I am talking about a typical
PCI device.
In this case for Linux, how does the user talk to the hotplug subsystem
about device
insertion or removal?

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