> From: "Theo de Raadt" <dera...@openbsd.org> > Date: Wed, 18 May 2022 10:48:01 -0600 > > Mark Kettenis <mark.kette...@xs4all.nl> wrote: > > > > I guess there is another question -- should the ps_kbind_* variables > > > be stored inside the uvmspace, rather than inside pr? > > > > I think there are arguments for both. But I don't think moving it > > makes things easier. > > Whatever proc sets the kbind configuration, wins. Any other proc must > set the same kbind (if it is different, it gets killed).
Correct. > Isn't the vm_map_lock enough? Could be. The fast path is going to take that lock anyway. This would require a bit of surgery to uvm_map_extract() to make sure we don't take the vm_map_lock twice. Worth exploring I'd say.
