From owner-freebsd-hackers@FreeBSD.ORG Sat Aug 2 14:18:32 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 203D537B401 for ; Sat, 2 Aug 2003 14:18:32 -0700 (PDT) Received: from shiva.warpcore.org (shiva.warpcore.org [208.2.70.212]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5AC3043F85 for ; Sat, 2 Aug 2003 14:18:31 -0700 (PDT) (envelope-from drevil@warpcore.org) Received: from [65.26.140.154] (CPE-65-26-140-154.kc.rr.com [65.26.140.154]) by shiva.warpcore.org (8.12.9/8.12.9) with ESMTP id h72LIUdv021383 for ; Sat, 2 Aug 2003 16:18:30 -0500 From: Shawn To: freebsd-hackers@freebsd.org In-Reply-To: <3F2A1DDA.F8459FCA@mindspring.com> References: <20030731201227.28952.qmail@neuroflux.com> <3F2A1DDA.F8459FCA@mindspring.com> Content-Type: text/plain Organization: http://drevil.warpcore.org/ Message-Id: <1059859111.1532.0.camel@CPE-65-26-140-154.kc.rr.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.3 Date: 02 Aug 2003 16:18:31 -0500 Content-Transfer-Encoding: 7bit Subject: Re: Assembly Syscall Question X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Aug 2003 21:18:32 -0000 On Fri, 2003-08-01 at 02:59, Terry Lambert wrote: > Personally, I like to look at the Linux register-based passing > mechanism in the same light that they look at the FreeBSD use > of the MMU hardware to assist VM, at the cost of increased > FreeBSD VM system complexity (i.e. they think our VM is too > convoluted, and we think their system calls are too convoluted). Maybe, but they also support a lot of MMU-less architectures, so it may have made things simpler for them to not depend on MMU. I wonder if NUMA had any bearing on that as well... -- Shawn http://drevil.warpcore.org/