On Wed, Apr 20, 2005 at 10:17:45AM +0530, Thekkedath Gopakumar-agt026 wrote: > > [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 > > The PCI Hot plug specification talks about how the user should inform the > hot-plug services about the intention of card insertion/removal and the > further actions taken by the hot plug subsystems (like powering off the slot > and all), do we have the support for the same in Linux ? Yes we do. > and if so what is the mechanism by which the user should talk to the > hotplug subsystem about proposed insertion/removal of a PCI device. For 2.4 kernels, pcihpfs. For 2.6 kernels, sysfs. > I have worked with hotplug devices like the card bus where if I am correct > the cardbus-PCI bridge will interrupt the processor on card > insertion/removal but here I am talking about a typical PCI device. cardbus is very different from Hotplug PCI systems, as you can tell from the spec you referenced. thanks, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
