From owner-freebsd-smp Thu Jul 8 10:21:33 1999 Delivered-To: freebsd-smp@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [209.157.86.2]) by hub.freebsd.org (Postfix) with ESMTP id 2EB3214C02 for ; Thu, 8 Jul 1999 10:21:30 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id KAA41309; Thu, 8 Jul 1999 10:21:17 -0700 (PDT) (envelope-from dillon) Date: Thu, 8 Jul 1999 10:21:17 -0700 (PDT) From: Matthew Dillon Message-Id: <199907081721.KAA41309@apollo.backplane.com> To: "David E. Cross" Cc: Cosmic 665 , freebsd-smp@FreeBSD.ORG, crossd@cs.rpi.edu Subject: Re: SMP comparisons References: <199907081712.NAA20677@cs.rpi.edu> Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org : :> Unfortunately, I doubt that much progress will be made in the current :> environment. : :Could you elaborate on what you mean by that. Is the environment to which you :refer a technical environment, or political issues that are restraining us :from making the required and necissary changes? : :-- :David Cross | email: crossd@cs.rpi.edu :Systems Administrator/Research Programmer | Web: http://www.cs.rpi.edu/~crossd I'm making nasty indirect punches at core. Just ignore me :-) Actually, I think the SMP work could use a little more support from core. It's been excellent work, but it has also been somewhat fragmented. The work on the VFS/BIO subsystem, even with Kirk helping, is going to go slowly no matter what, but it will running worst case without commit privs for me. I've already fallen way behind on tracking down the remaining NFS problems and the VM/mmap problems because of time constraints which are not made better by core's unenlightened stance. In order to make real progress on any of these things current is really going to have to become a development kernel again instead of an 'must always be working' kernel. Like the VM adjustments I made earlier in the year, there are certain pieces of the VFS/BIO subsystem that are going to have to be ripped to shreads later this year before it can be put back together. I think some of the upcoming SMP issues are going to the same: -Matt Matthew Dillon :Rensselaer Polytechnic Institute, | Ph: 518.276.2860 :Department of Computer Science | Fax: 518.276.4033 :I speak only for myself. | WinNT:Linux::Linux:FreeBSD : To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message