Read Copy Update
dfr at nlsystems.com
Thu Feb 19 08:32:22 PST 2004
On Thu, 2004-02-19 at 16:26, Peter A Jonsson wrote:
> > I imagine that a FreeBSD implementation of RCU wouldn't actually be too
> > hard and it might be well worth it as an alternative way of managing
> > concurrency, e.g. for the routing cache and the name cache (and probably
> > lots of other things).
> Alan Cox pointed out that there was a patent problem (US Patent
> #05442758 ) with RCU which prevented inclusion in the Linux
> kernel. This was solved by granting the right to use it in GPL
> software according to my understanding. Isn't this a problem for
That would be a problem unless the patent owner (Sequent, i.e. IBM)
could be encouraged to grant a similar license for BSD software.
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