From owner-cvs-src@FreeBSD.ORG Mon Oct 1 01:18:36 2007 Return-Path: Delivered-To: cvs-src@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6D5EF16A41A; Mon, 1 Oct 2007 01:18:36 +0000 (UTC) (envelope-from grehan@freebsd.org) Received: from dommail.onthenet.com.au (dommail.OntheNet.com.au [203.13.70.57]) by mx1.freebsd.org (Postfix) with ESMTP id 1663B13C468; Mon, 1 Oct 2007 01:18:34 +0000 (UTC) (envelope-from grehan@freebsd.org) Received: from excfreebsd.hq.netapp.com (nat-198-95-226-228.netapp.com [198.95.226.228]) by dommail.onthenet.com.au (MOS 3.7.5a-GA) with ESMTP id DEB04111 (AUTH peterg@ptree32.com.au); Mon, 1 Oct 2007 11:18:20 +1000 (EST) Message-ID: <47004ACF.5020901@freebsd.org> Date: Sun, 30 Sep 2007 18:18:07 -0700 From: Peter Grehan User-Agent: Thunderbird 2.0.0.0 (X11/20070525) MIME-Version: 1.0 To: Jeff Roberson References: <200709271639.l8RGdREd032105@repoman.freebsd.org> <46FBDFE8.9050909@freebsd.org> <20070930153101.T583@10.0.0.1> In-Reply-To: <20070930153101.T583@10.0.0.1> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: cvs-src@FreeBSD.org, Jeff Roberson , src-committers@FreeBSD.org, cognet@freebsd.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern sched_ule.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: grehan@freebsd.org List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Oct 2007 01:18:36 -0000 Hi Jeff, >> ARM has it: .. >Did you verify that it works? No. Olivier would be able to answer though. > Does arm support SMP? It looks like it does not? Don't think so. > For UP it doesn't need to wait for blocked lock to clear but it does > need to set td_lock. On UP there are no special synchronization > requirements so it can happen as the very first instruction in cpu_switch. OK, I'll give it a whirl. later, Peter.