How the PCI Hot Plug Driver Filesystem Works

On May 14, 2001, H. Peter Anvin announced to the linux-kernel mailing list: ‘Linus Torvalds has requested a moratorium on new device number assignments. His hope is that a new and better method for device space handling will emerge as a result.‘ Greg Kroah-Hartman describes how the PCI Hot Plug core implements a RAM-based filesystem and how you can do the same for your drivers. The article is hosted at LinuxJournal.