From owner-freebsd-multimedia@FreeBSD.ORG Fri Apr 15 17:32:19 2005 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9DC0116A4CE for ; Fri, 15 Apr 2005 17:32:19 +0000 (GMT) Received: from mail.vicor-nb.com (bigwoop.vicor-nb.com [208.206.78.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9313843D49 for ; Fri, 15 Apr 2005 17:32:18 +0000 (GMT) (envelope-from julian@elischer.org) Received: from [208.206.78.97] (julian.vicor-nb.com [208.206.78.97]) by mail.vicor-nb.com (Postfix) with ESMTP id 969987A449; Fri, 15 Apr 2005 10:32:18 -0700 (PDT) Message-ID: <425FFAA2.6010605@elischer.org> Date: Fri, 15 Apr 2005 10:32:18 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.5) Gecko/20050218 X-Accept-Language: en, hu MIME-Version: 1.0 To: Alexander Leidinger References: <20050410195645.GA2178@cnd.mcgill.ca> <20050414.021552.343134310.kazuhito@ph.noda.tus.ac.jp> <20050413172534.GF2178@cnd.mcgill.ca> <20050414161546.kwroviadwsw8k0w0@netchild.homeip.net> <425ED3F0.70603@elischer.org> <20050415095335.46kkjh7q4gkwook0@netchild.homeip.net> <425F77EB.7080902@elischer.org> <20050415104454.gyvwnsp8g40kg0g4@netchild.homeip.net> In-Reply-To: <20050415104454.gyvwnsp8g40kg0g4@netchild.homeip.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-multimedia@freebsd.org cc: Mathew Kanner Subject: Re: de-dma uaudio X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Apr 2005 17:32:19 -0000 Alexander Leidinger wrote: > Julian Elischer wrote: > >> no-one is saying that it can't be optimised.. >> try follow a read command from a ugen fd all the way to the hardware.. >> >> it's just not something we've spent time to do. > > > So this means it isn't counter productive when we remove the DMA code > from > uaudio, since it has to be allocated at another place if we want to > move to > a zero-copy design? basically, yes. > > Bye, > Alexander. >