Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 29 Apr 2001 17:40:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 29 Apr 2001 17:40:44 -0400 Received: from neon-gw.transmeta.com ([209.10.217.66]:9223 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Sun, 29 Apr 2001 17:40:40 -0400 Message-ID: <3AEC8A46.2BA7BF68@transmeta.com> Date: Sun, 29 Apr 2001 14:40:22 -0700 From: "H. Peter Anvin" Organization: Transmeta Corporation X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.0 i686) X-Accept-Language: en, sv, no, da, es, fr, ja MIME-Version: 1.0 To: Jim Gettys CC: dean gaudet , Jeff Garzik , "H. Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: X15 alpha release: as fast as TUX but in user space (fwd) In-Reply-To: <200104292116.f3TLGhu07016@pachyderm.pa.dec.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jim Gettys wrote: > > The "put the time into a magic location in shared memory" goes back... > Short summary: depending on how much you were talking general idea versus specifics, you can go arbitrarily far back (I wouldn't be surprised if shared memory techniques were used regularly before memory protection.) Fair? Not to pick on you or anyone else, but it is well-known to everyone except the U.S. patent office that "there are no new ideas in computer science." :) -hpa -- at work, in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt - 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/