On Sat, Feb 11, 2023 at 09:46:42PM -0500, Kent Overstreet wrote: > On Sat, Feb 11, 2023 at 09:40:58PM -0500, Alan Stern wrote: > > Or maybe you're referring to what this patch does? It does indeed > > create a bunch of dynamic classes -- one for each struct device. The > > ordering rules derived by lockdep will be somewhat arbitrary, as you > > say. But some of them certainly will be related to the structure of the > > source code. > > I could be :) I haven't been able to find the patch in question - have a > link? It was earlier in this email thread. Here's a link: https://lore.kernel.org/r/Y+gLd78vChQERZ6A@xxxxxxxxxxxxxxxxxxx/ > If you're talking about making lock_class_key dynamic, I think I stand > by what I said though - OTOH, if all you're doing is lifting that to the > caller of the device object init function, so it'll still be a static > object in the driver, that would be totally fine. The patch does the first, not the second. Feel free to object some more... :-) Alan Stern > I probably should've found the patch before commenting :)