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Re: MODULAR option and advertised semaphore support



On Fri, Nov 05, 2010 at 06:05:14PM +0100, Nicolas Joly wrote:
> On Fri, Nov 05, 2010 at 05:02:09PM +0100, Matthias Drochner wrote:
> > 
> > If I understand it correctly, with Nicolas' proposal an innocent
> > "sysctl -a" would load the semaphore module. I don't have a better
> > idea yet, but this approach doesn't scale -- if done for more
> > modules all of them would be loaded with this single "sysctl"
> > invocation.
[...]
> I'm not a sysctl expert, but does making them hidden (CTLFLAG_HIDDEN)
> should help ? The way i understand it, only explicit calls would
> triggers module loading ...

I do checked this, and CTLFLAG_HIDDEN do indeed prevent `sysctl -a'
from calling/reporting it. It's only triggered for explicit request
`sysctl kern.posix_semaphore'.

-- 
Nicolas Joly

Biological Software and Databanks.
Institut Pasteur, Paris.


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