On Thu, Nov 22, 2007 at 04:24:33PM +0900, Alex White wrote: > Hi, > > (I hope this is a reasonable place to ask this question. I was going to > post to lkml, but it didn't seem quite appropriate) Why not? Or kernelnewbies, that would also work. > I've written a kernel module that provides some custom I/O between an > external peripheral and a linux userspace application. > > I've used the /proc interface to allow the application in userspace to > talk to the kernel module. Ick, not /proc. /proc is ONLY for process information, not driver stuff, and never for I/O to userspace. There are so many other ways to properly to this (device nodes, sysfs, configfs, debugfs, custom filesystem, etc.) What specifically are you trying to do with your /proc files? > I'm using the debian sarge 2.4 kernel. 2.4? That's _very_ old. Please try the 2.6 kernel tree. thanks, greg k-h
