Date: Fri, 20 Feb 1998 09:21:16 -0000 From: Duncan Barclay <dmlb@symbionics.co.uk> To: "'dg@root.com'" <dg@root.com> Cc: "'chat@freebsd.org'" <chat@FreeBSD.ORG> Subject: RE: pre-emptive multitasking patent! Message-ID: <c=GB%a=_%p=Symbionics%l=SYMNT3-980220092116Z-7465@symnt3.symbionics.co.uk>
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> > Actually, that article mentions pre-emptive multithreading, which FreeBSD >doesn't currently support in the kernel. This might be an issue if we go >beyond the single giant lock model in SMP, however. I haven't read the >patent, but it shouldn't be difficult to prove prior art. > > -DG > >David Greenman > I had a look at the patent a couple of days ago. It's a bit odd in that he seems to be shooting himself in the foot re-prior art by citing papers back to 1972 by CAR Hoare and a few bits in the 70's. > >Duncan > >PS. if the formatting is crap sorry; at work with M$ Exchange. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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