From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1G2bRX-0005t5-6m for qemu-devel@nongnu.org; Mon, 17 Jul 2006 18:19:59 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1G2bRV-0005qS-JX for qemu-devel@nongnu.org; Mon, 17 Jul 2006 18:19:58 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1G2bRV-0005qA-BW for qemu-devel@nongnu.org; Mon, 17 Jul 2006 18:19:57 -0400 Received: from [65.74.133.4] (helo=mail.codesourcery.com) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1G2bUF-0006zf-UT for qemu-devel@nongnu.org; Mon, 17 Jul 2006 18:22:48 -0400 From: Paul Brook Subject: Re: [Qemu-devel] Re: Problem: Keyboard dead after "-loadvm" Date: Mon, 17 Jul 2006 23:19:52 +0100 References: <20060717091859.137890@gmx.net> <46d6db660607171428i6ac08754q55f621c78bbed25e@mail.gmail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200607172319.52839.paul@codesourcery.com> 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 Cc: Anthony Liguori > IIRC, it was using threads? We really ought to do the work to make the > block API properly asynchronous. It may seem tedious now, but it would > also allow the use of something like linux-aio down the road which has the > potential to have a pretty huge performance impact on block performance > (with pbrook's recent SCSI emulation). I'd expect most of the benefits would also apply to IDE (with DMA enabled, obviously). I'd also expect that a well designed interface would be able to work with either threads or aio. Paul