From owner-cvs-all@FreeBSD.ORG Tue Apr 29 15:26:12 2003 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C47D237B404; Tue, 29 Apr 2003 15:26:12 -0700 (PDT) Received: from ns.yogotech.com (ns.yogotech.com [206.127.123.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id 041CA43FA3; Tue, 29 Apr 2003 15:26:11 -0700 (PDT) (envelope-from nate@yogotech.com) Received: from emerger.yogotech.com (emerger.yogotech.com [206.127.123.131]) by ns.yogotech.com (8.9.3p2/8.9.3) with ESMTP id QAA16442; Tue, 29 Apr 2003 16:26:06 -0600 (MDT) (envelope-from nate@yogotech.com) Received: (from nate@localhost) by emerger.yogotech.com (8.12.9/8.12.8) id h3TMQ5rU069864; Tue, 29 Apr 2003 16:26:05 -0600 (MDT) (envelope-from nate) From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16046.64504.186129.388342@emerger.yogotech.com> Date: Tue, 29 Apr 2003 16:26:00 -0600 To: John Baldwin In-Reply-To: References: <16046.55840.945040.149302@grasshopper.cs.duke.edu> X-Mailer: VM 7.07 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: Andrew Gallatin cc: cvs-all@FreeBSD.org cc: "M. Warner Losh" Subject: Re: cvs commit: src/sys/dev/fxp if_fxp.c if_fxpvar.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Nate Williams List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Apr 2003 22:26:13 -0000 > A mutex is far more expensive than an spl. Huh? If so, then something is *really* screwed up, since SPL's block out lots of things, while mutex's can/should block little things. That's how we get greater parrallelism. Nate