Messages in this thread | | | Date | Thu, 1 Apr 2004 09:26:23 -0800 | From | Larry McVoy <> | Subject | Re: who is merlin.fit.vutbr.cz? |
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On Thu, Apr 01, 2004 at 02:39:12PM +0100, Jamie Lokier wrote: > bert hubert wrote: > > On Wed, Mar 31, 2004 at 10:31:43PM +0100, Jamie Lokier wrote: > > > > RCU for BitKeeper trees? :-) > > > > > > Last I heard, RCU is patented by IBM, with permission to use it in GPL > > > programs (maybe limited to version 2 of the GPL?), so that Linux can use it. > > > > This is really astonishing. It is not possible to say one thing about > > bitkeeper without descending into a discussion on patents and licenses! > > No. It's an unfortunate coincidence that you mentioned RCU on a > BitKeeper(tm) thread. A suggestion to use RCU in, say, Mozilla or > FreeBSD would have elicited a similar response. > > RCU patents were mentioned numerous times in the news when RCU was > added to the kernel. One presumes, then, that IBM was keen for it to > be known the technique is patented, and one would be wise to tread > carefully if intending to copy the technique as it is used in Linux, > as you jokingly suggested. > > In case you misunderstood, the grandparent post was not an attack on > BitMover. Fwiw, I'm on BitMover's side if the RCU patent is relevant, > which it probably is not. I doubt if the patent extends beyond task > scheduling done in a certain way, although as I said I have not read it.
BitMover could care less about RCU, please leave us out of this discussion. -- --- Larry McVoy lm at bitmover.com http://www.bitkeeper.com - 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/
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