On Tue, Apr 26, 2011 at 09:06:02AM -0400, Robert P. J. Day wrote: > On Tue, 26 Apr 2011, Greg KH wrote: > > > On Tue, Apr 26, 2011 at 08:12:44AM -0400, Robert P. J. Day wrote: > > > > > > [not sure if this is the right forum for this, but i suspect others > > > on this list might be interested so ... there you go.] > > > > The linux-hotplug@xxxxxxxxxxxxxxx list is where this should be > > discussed, please take it there. > > > > > as part of a device driver course i may very well be teaching in the > > > near future (still waiting to hear), i'm thinking of adding a sizable > > > section on how udev works (after i figure all that out, of course.) > > > > > > currently, the canonical udev document is this one: > > > > > > http://reactivated.net/writing_udev_rules.html > > > > That doc could almost be removed entirely now, as no one should need > > to mess with udev rules "by hand" anymore thanks to devtmpfs and the > > default udev rules that are in all distros (with one notable > > exception.) > > > > What is your goal in redoing this? Why would a user/developer ever > > need to mess with udev on their own anymore? > > > > Ideally, it should all "just work" now, and I think it does given > > your previous emails about the confusion as to how your driver was > > automagically creating the correct device nodes without any help > > from you :) > > so you don't see much need for that level of detail for udev > anymore? at the very least, i can see the need for what i asked about > before -- how a misc device suddenly showed up under /dev, and with > what properties. You want a "how does this all work" type document, which is aimed for a developer, not a user, right? That's different from the above mentioned document in quite a number of ways. > is there a doc explaining that somewhere? because i definitely went > looking before i asked that question here. I wrote something like that a long time ago for LDD3 and later updated it for lwn.net I think, if you want to start with that. good luck, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies