From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IzGkh-0008Hu-S8 for qemu-devel@nongnu.org; Mon, 03 Dec 2007 14:14:47 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IzGkd-0008Gc-VW for qemu-devel@nongnu.org; Mon, 03 Dec 2007 14:14:47 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IzGkd-0008GZ-KR for qemu-devel@nongnu.org; Mon, 03 Dec 2007 14:14:43 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IzGkd-0005Nx-8I for qemu-devel@nongnu.org; Mon, 03 Dec 2007 14:14:43 -0500 From: Paul Brook Subject: Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O Date: Mon, 3 Dec 2007 19:14:35 +0000 References: <11966765602186@bull.net> <20071203170800.GC3797@implementation> <47544588.10700@codemonkey.ws> In-Reply-To: <47544588.10700@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200712031914.35725.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 > Well, let's separate a few things. QEMU uses posix-aio which uses > threads and normal read/write operations. It also limits the number of > threads that aio uses to 1 which effectively makes everything > synchronous anyway. This is a bug. Allegedly this is to workaround an old broken glibc, so we should probably make it conditional on old glibc. Paul