From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EMV7s-0002Yl-Kv for qemu-devel@nongnu.org; Mon, 03 Oct 2005 14:33:25 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EMV7o-0002W3-OZ for qemu-devel@nongnu.org; Mon, 03 Oct 2005 14:33:22 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EMV7o-0002Ro-7m for qemu-devel@nongnu.org; Mon, 03 Oct 2005 14:33:20 -0400 Received: from [84.96.92.61] (helo=sMtp.neuf.fr) by monty-python.gnu.org with esmtp (Exim 4.34) id 1EMV7n-0000gk-EX for qemu-devel@nongnu.org; Mon, 03 Oct 2005 14:33:19 -0400 Received: from [84.99.204.162] by sp604002mt.gpm.neuf.ld (Sun Java System Messaging Server 6.2-3.03 (built Jun 27 2005)) with ESMTP id <0INS001NURI1WXH0@sp604002mt.gpm.neuf.ld> for qemu-devel@nongnu.org; Mon, 03 Oct 2005 20:32:25 +0200 (CEST) Date: Mon, 03 Oct 2005 20:33:30 +0200 From: Fabrice Bellard Subject: Re: [Qemu-devel] [patch] non-blocking disk IO In-reply-to: <4340D479.7030301@stanfordalumni.org> Message-id: <4341797A.9080701@bellard.org> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-transfer-encoding: 7BIT References: <4340D479.7030301@stanfordalumni.org> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Thank you for the patch. I'll look at it ASAP. If there is no regression (in terms of bugs and performance) I will include it soon: I consider that non blocking I/O is now a critical feature in QEMU in order to get better performances. Fabrice. John Coiner wrote: > > Non-blocking disk IO now works for any type of disk image, not just > "raw" format. There is no longer any format-specific code in the patch: > > http://people.brandeis.edu/~jcoiner/qemu_idedma/qemu_dma_patch.html > > You might want this patch if: > * you run a multitasking guest OS, > * you access a disk sometimes, and > * you wouldn't mind if QEMU ran a little faster. > > Why I have not got feedback in droves I do not understand ;) > > -John > > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel > >