> Mike Smith once wrote: > > > For a usable dynamic architecture, loadable modules need to be > > compiled to support both UP and SMP architectures simultaneously. Thus > > the locking primitives need to be conditionalised at _runtime_. > > What about > > kldload /modules/up/whatever.ko > and > kldload /modules/smp/whatever.ko > > and even > > kldload /debug-modules/up/whatever.ko > [...]
This is just too painful for words. If people _really_ want to do this, you'd put all of the drivers into one .ko file and only partially link it (ie. just link the one module). But I do not think we want this at all; the obvious selectors so far are: - UP vs. SMP - BPF - Invariants That's eight versions of eg. a network driver already. I cut off BPF as an issue a little while back by putting stubs for the BPF routines into the kernel when BPF isn't actually built; we want to do the same things for the other functionality types. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ m...@smith.net.au \\ The race is long, and in the \\ msm...@freebsd.org \\ end it's only with yourself. \\ msm...@cdrom.com To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-current" in the body of the message
