From owner-svn-src-all@FreeBSD.ORG Mon Feb 9 17:48:58 2009 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2369A106566C; Mon, 9 Feb 2009 17:48:58 +0000 (UTC) (envelope-from xcllnt@mac.com) Received: from asmtpout011.mac.com (asmtpout011.mac.com [17.148.16.86]) by mx1.freebsd.org (Postfix) with ESMTP id 08A4B8FC21; Mon, 9 Feb 2009 17:48:57 +0000 (UTC) (envelope-from xcllnt@mac.com) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=US-ASCII; format=flowed Received: from macbook-pro.jnpr.net (natint3.juniper.net [66.129.224.36]) by asmtp011.mac.com (Sun Java(tm) System Messaging Server 6.3-7.03 (built Aug 7 2008; 32bit)) with ESMTPSA id <0KET00KE285K0S00@asmtp011.mac.com>; Mon, 09 Feb 2009 09:48:57 -0800 (PST) Message-id: <859425A6-0F8F-4DE5-9229-4119A1009AD2@mac.com> From: Marcel Moolenaar To: Scott Long In-reply-to: <49903E4A.8000408@samsco.org> Date: Mon, 09 Feb 2009 09:48:54 -0800 References: <200902082254.n18MsxVt037307@svn.freebsd.org> <9E40268E-A2E2-4CAA-AAFE-EB2491175CEE@mac.com> <20090208.170515.1031215309.imp@bsdimp.com> <34EFBA0C-FB99-42DB-BF5C-A889348AD393@mac.com> <498F8015.8000704@samsco.org> <94616FBD-4638-4C51-990C-06A943B1BA2A@mac.com> <49903E4A.8000408@samsco.org> X-Mailer: Apple Mail (2.930.3) Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, "M. Warner Losh" Subject: Re: svn commit: r188350 - in head/sys: amd64/amd64 arm/arm dev/usb2/core i386/i386 ia64/ia64 sys X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Feb 2009 17:48:59 -0000 On Feb 9, 2009, at 6:31 AM, Scott Long wrote: > Marcel Moolenaar wrote: >> On Feb 8, 2009, at 5:00 PM, Scott Long wrote: >>> Busdma allows you to request bouncing for realignment. >> How exactly? > > By specifying an alignment greater than 1 in the tag. This does not guarantee bounce buffering and without bounce buffering you don't have realignment. -- Marcel Moolenaar xcllnt@mac.com