On Mon, Dec 09, 2024 at 10:16:36AM +0100, Greg KH wrote: > > Maybe we were wrong about the assumption that cgroupfs should be treated > > specially and deny export cgroups over nfs?? > > Please don't export any of the "fake" kernel filesystems (configfs, > cgroups, sysfs, debugfs, proc, etc) over nfs please. That way lies > madness and makes no sense. Umm, yes: it sounds like a pretty useless idea. But you can do that today with a userland nfs server, so why explicitly forbid it for the kernel nfs server. In either case you absolutely have to want it, you're not going to accidentally NFS export a file system. I'm still trying to understand what problem we're trying to solve here.