From owner-p4-projects@FreeBSD.ORG Sun Jan 6 23:45:48 2008 Return-Path: Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id 0457416A41B; Sun, 6 Jan 2008 23:45:48 +0000 (UTC) Delivered-To: perforce@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BDD5D16A417; Sun, 6 Jan 2008 23:45:47 +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 2F13813C458; Sun, 6 Jan 2008 23:45:46 +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 DLJ57322 (AUTH peterg@ptree32.com.au); Mon, 7 Jan 2008 09:45:40 +1000 (EST) Message-ID: <47816807.90907@freebsd.org> Date: Sun, 06 Jan 2008 15:45:11 -0800 From: Peter Grehan User-Agent: Thunderbird 2.0.0.0 (X11/20070525) MIME-Version: 1.0 To: Marcel Moolenaar References: <200801041525.m04FPIrt011288@repoman.freebsd.org> <47815371.9020501@freebsd.org> <4CCF7BFD-9DD3-4D69-8113-D5DC3E8F4B27@mac.com> In-Reply-To: <4CCF7BFD-9DD3-4D69-8113-D5DC3E8F4B27@mac.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Rafal Jaworowski , Perforce Change Reviews Subject: Re: PERFORCE change 132485 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: grehan@freebsd.org List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Jan 2008 23:45:48 -0000 > I'm planning this. I have done the same on ia64. It helps SMP, because > after you switched the BSP to its own stack kstack0 becomes available to start > APs on (in particular before you have the MMU set up)... > > FYI, Great ! I would expect that some OFW calls may blow up with leakage of params on the kernel virtual stack instead of on the 1:1 stack, but that needs to be fixed anyways. later, Peter.