From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MeOjn-0007le-Sd for qemu-devel@nongnu.org; Fri, 21 Aug 2009 03:40:40 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MeOjj-0007k6-Fz for qemu-devel@nongnu.org; Fri, 21 Aug 2009 03:40:39 -0400 Received: from [199.232.76.173] (port=51641 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MeOjj-0007k3-BW for qemu-devel@nongnu.org; Fri, 21 Aug 2009 03:40:35 -0400 Received: from mx20.gnu.org ([199.232.41.8]:34731) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MeOji-0007pF-Qc for qemu-devel@nongnu.org; Fri, 21 Aug 2009 03:40:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MeOjh-0005Du-Ho for qemu-devel@nongnu.org; Fri, 21 Aug 2009 03:40:33 -0400 Message-ID: <4A8E4F87.6070405@redhat.com> Date: Fri, 21 Aug 2009 10:40:55 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH 0/2] native Linux AIO support revisited References: <20090820145803.GA23578@lst.de> In-Reply-To: <20090820145803.GA23578@lst.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: qemu-devel@nongnu.org On 08/20/2009 05:58 PM, Christoph Hellwig wrote: > Based on this I would recommend to include this patch, but not use it by > default for now. After some testing I would suggest to enable it by > default for host devices and investigate a way to make it easily usable > for files, possibly including some kernel support to tell us which files > are "safe". > I like both the numbers and the patches. But why disable by default? Enabling for cache=none host devices only seems a safe choice. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.