Re: Please read if you use x86 -current

[Andrew Doran <ad%netbsd.org@localhost>]

On Thu, Nov 13, 2008 at 06:36:47AM +0000, S.P.Zeidler wrote:

> tls%rek.tjls.com@localhost (Thor Lancelot Simon) writes:
> 
> >On Wed, Nov 12, 2008 at 02:57:53PM -0500, Jared D. McNeill wrote:
> >> On Wed, 12 Nov 2008, David Holland wrote:
> >>> So, what do you do if you want a system entirely without POSIX
> >>> semaphores? It looks as if you have to patch the source to avoid
> >>> building the module.
> >>
> >> no options MODULAR ?
> 
> >What if (as I suspect David meant) I just want to exclude *some*
> >modules?
> 
> related question: what happens if the module is not available?

In the POSIX semaphores case, the autoload fails. You get SIGSYS and the
syscall returns ENOSYS. This behaviour is not new.

> I'd prefer if the kernel checked at boot what modules there were,
> and only used those unless explicitly told otherwise, and the latter
> telling only possible if the securelevel or some other flag allowed it.

I think Thor proposed using hashes to do this.

Andrew