From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IdTah-0004CV-Du for qemu-devel@nongnu.org; Thu, 04 Oct 2007 12:30:23 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IdTad-00048z-Cv for qemu-devel@nongnu.org; Thu, 04 Oct 2007 12:30:22 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IdTad-00048u-6L for qemu-devel@nongnu.org; Thu, 04 Oct 2007 12:30:19 -0400 Received: from nf-out-0910.google.com ([64.233.182.184]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1IdTac-0000Gp-Pw for qemu-devel@nongnu.org; Thu, 04 Oct 2007 12:30:19 -0400 Received: by nf-out-0910.google.com with SMTP id 30so220031nfu for ; Thu, 04 Oct 2007 09:30:16 -0700 (PDT) Message-ID: Date: Thu, 4 Oct 2007 19:30:15 +0300 From: "Blue Swirl" Subject: Re: [Qemu-devel] Pending Disk I/O requests during live VM migration In-Reply-To: <47050E64.5070901@cc.gatech.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <47050E64.5070901@cc.gatech.edu> 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 On 10/4/07, Kaushik Bhandankar wrote: > I am trying to implement functionality in fully-virtualized xen wherein > the responses to the pending disk I/O requests during live VM migration > get trasnsferred to the new VMM form the old VMM. Specifically, I am > looking at IDE disk (tools/ioemu/hw/ide.c) You should ask Xen related questions in xen lists. At least in Qemu pending I/O are flushed before VM save in vl.c:5522.