> > > in lkml in the past. Currently there are several potential
> > > applications of RCU that are being developed and some of them look
> > > very promising. Our revamped webpage
> >
> > yes, but have you evaluated whether it's noticably better than
> > other forms of locking? for instance, couldn't your dcache example
> > simply use BR locks?
>
> First of all, IMO, RCU is not a wholesale replacement for one form of
> locking or another. It provides two things -
>
> 1. Simplify locking in certain complicated cases - like module
> unloading or Hotplug CPU support.
I thought that refrigerator mechanism might be handy for hotplug CPU
support -- essentially stop whole userland, do your job, restart
userland... Its part of swsusp.
Pavel
-- (about SSSCA) "I don't say this lightly. However, I really think that the U.S. no longer is classifiable as a democracy, but rather as a plutocracy." --hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/