From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH RESEND 5/5] vhost-blk: Add vhost-blk support Date: Thu, 19 Jul 2012 16:09:57 +0300 Message-ID: <20120719130957.GD9303@redhat.com> References: <1342169711-12386-1-git-send-email-asias@redhat.com> <1342169711-12386-6-git-send-email-asias@redhat.com> <87mx2vrjdl.fsf@codemonkey.ws> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <87mx2vrjdl.fsf@codemonkey.ws> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Anthony Liguori Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org On Thu, Jul 19, 2012 at 08:05:42AM -0500, Anthony Liguori wrote: > Of course, the million dollar question is why would using AIO in the > kernel be faster than using AIO in userspace? Actually for me a more important question is how does it compare with virtio-blk dataplane? -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751890Ab2GSNJ0 (ORCPT ); Thu, 19 Jul 2012 09:09:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42285 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353Ab2GSNJY (ORCPT ); Thu, 19 Jul 2012 09:09:24 -0400 Date: Thu, 19 Jul 2012 16:09:57 +0300 From: "Michael S. Tsirkin" To: Anthony Liguori Cc: Asias He , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH RESEND 5/5] vhost-blk: Add vhost-blk support Message-ID: <20120719130957.GD9303@redhat.com> References: <1342169711-12386-1-git-send-email-asias@redhat.com> <1342169711-12386-6-git-send-email-asias@redhat.com> <87mx2vrjdl.fsf@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87mx2vrjdl.fsf@codemonkey.ws> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 19, 2012 at 08:05:42AM -0500, Anthony Liguori wrote: > Of course, the million dollar question is why would using AIO in the > kernel be faster than using AIO in userspace? Actually for me a more important question is how does it compare with virtio-blk dataplane? -- MST