[wwwdocs] IPA and LTO updates

[Ralf Wildenhues]

* Jan Hubicka wrote on Mon, Nov 15, 2010 at 11:16:43PM CET:
> > 
> > I think deadlock is only likely when you do not implement
> > the jobserver protocol correctly.
> 
> We still eventually call make to connect to he jobserver, so there
> should not be problems with jobserver protocol as we implement none of
> it?

Good point.

Thanks,
Ralf