From owner-freebsd-hackers Mon Jun 17 12:05:50 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id MAA19946 for hackers-outgoing; Mon, 17 Jun 1996 12:05:50 -0700 (PDT) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id MAA19938 for ; Mon, 17 Jun 1996 12:05:47 -0700 (PDT) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id MAA08381; Mon, 17 Jun 1996 12:03:28 -0700 From: Terry Lambert Message-Id: <199606171903.MAA08381@phaeton.artisoft.com> Subject: Re: linux 2.0 vs FreeBSD -current's SMP support To: hasty@rah.star-gate.com (Amancio Hasty) Date: Mon, 17 Jun 1996 12:03:27 -0700 (MST) Cc: hackers@FreeBSD.org In-Reply-To: <199606162017.NAA01159@rah.star-gate.com> from "Amancio Hasty" at Jun 16, 96 01:17:49 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > > Any has a clue as to any advantages/disadvantages on Linux's SMP support? > > For instance does Linux 2.0 support kernel reentrancy ? >From a preliminary look at the code, I believe they are not kernel reentrant. This seems traceable to their VM system. I'm making a technical distinction here for multithreading vs. reentrancy. It should be noted that the Linux camp is less organized, but they move faster -- it's the difference between solving a maze by staring at it and then drawing a line in exactly the right path, vs. following the left wall. Depending on the maze, one mouse or the other will get to the cheese first. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.