From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.33) id 1CWT8R-0007py-EA for qemu-devel@nongnu.org; Tue, 23 Nov 2004 00:22:39 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.33) id 1CWT8Q-0007p1-9t for qemu-devel@nongnu.org; Tue, 23 Nov 2004 00:22:38 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1CWT8Q-0007ot-7D for qemu-devel@nongnu.org; Tue, 23 Nov 2004 00:22:38 -0500 Received: from [219.127.74.120] (helo=sakura.ninth-nine.com) by monty-python.gnu.org with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.34) id 1CWSzB-00043y-69 for qemu-devel@nongnu.org; Tue, 23 Nov 2004 00:13:06 -0500 Date: Tue, 23 Nov 2004 14:12:49 +0900 From: Norikatsu Shigemura Subject: Re: [Qemu-devel] enabling bus-master IDE driver Message-Id: <20041123141249.51211269.nork@FreeBSD.org> In-Reply-To: <20041116204134.A90813@saturn.kn-bremen.de> References: <200411121907.iACJ7xqx028492@leo.tools.intra> <20041116204134.A90813@saturn.kn-bremen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-l@jelal.kn-bremen.de Cc: qemu-devel@nongnu.org On Tue, 16 Nov 2004 20:41:35 +0100 Juergen Lock wrote: > > > It now says "Current Transfer Mode: Multi-Word DMA Mode 2". > > > I'm not real sure how I test to see if disk access is faster, > > > or by how much, but this appears to be progress for XP. > > Windows 2000 isn't that verbose - it simply prints "DMA mode". > > Interesting that XP has enabled "Multi-Word DMA Mode 2". > >... > FreeBSD guests (at least 5.3-BETA1) say they use WDMA2, which i guess > is the same: Your patch works quite good. I confirmed that it works on Windows XP SP2 and FreeBSD 5.3-RELEASE as guest OSs, and host's cpu loadavg reduced(MAX: 97% -> 30% on boot, etc..). # http://people.FreeBSD.org/~nork/qemu/qemu05.png but Japanese May I commit your patch as ports/emulators/qemu/files/patch-hw::ide.c?