Yea. Kexec is what you'd need to do to get a new kernel... and we don't support kexec... so I agree this is good..
Warner On Thu, Nov 9, 2023, 9:34 AM Doug Rabson <d...@rabson.org> wrote: > I think your intuition is correct - it never makes sense to unload the > kernel (IMO). I approved the review. > > Doug. > > > On Thu, 9 Nov 2023 at 16:10, Zhenlei Huang <z...@freebsd.org> wrote: > >> Hi, >> >> This is *NOT* joking. >> >> While working on https://reviews.freebsd.org/D42527 I realized the >> module kernel also has userrefs, that is to say, userland can request >> to unload kernel, aka `kldunload kernel`. >> >> This is interesting. Well no doubt that the loader can unload kernel. >> Then after the kernel is loaded and has been initialized (SYSINIT), how >> should it behave when it get an unload request? >> >> I'm proposing https://reviews.freebsd.org/D42530 to do not allow >> unloading >> the kernel. It is by intuition. >> >> What do you think ? >> >> >> Best regards, >> Zhenlei >> >>
