concurrent sysctl implementation

[Kostik Belousov]

On Fri, Jul 24, 2009 at 09:34:51AM +0200, Jeremie Le Hen wrote:
> Hi Ed,
> 
> Sorry for the late reply.
> 
> On Sat, May 09, 2009 at 02:13:13PM +0200, Ed Schouten wrote:
> > We probably could. I think I discussed this with Robert Watson some time
> > ago and we could use things like ELF hints. But still, that doesn't
> > prevent us from reaching this limitation later on.
> 
> Can you elaborate a little?  Are you talking about elf-hints.h?
> I don't see where we can get randomness from it.

The thing is called ELF auxillary information vector. It is used to
supply some useful information for interpreter from the kernel,
see include/machine/elf.h for AT_* entries.
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