From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030215AbXAKI0V (ORCPT ); Thu, 11 Jan 2007 03:26:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030224AbXAKI0V (ORCPT ); Thu, 11 Jan 2007 03:26:21 -0500 Received: from srv5.dvmed.net ([207.36.208.214]:48811 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030215AbXAKI0U (ORCPT ); Thu, 11 Jan 2007 03:26:20 -0500 Message-ID: <45A5F4A5.9000408@garzik.org> Date: Thu, 11 Jan 2007 03:26:13 -0500 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.9 (X11/20061219) MIME-Version: 1.0 To: Arnd Bergmann CC: kvm-devel@lists.sourceforge.net, Avi Kivity , Andrew Morton , linux-kernel Subject: Re: [kvm-devel] [RFC] Stable kvm userspace interface References: <45A39A97.5060807@qumranet.com> <45A39D0D.7090007@garzik.org> <200701110834.43800.arnd@arndb.de> In-Reply-To: <200701110834.43800.arnd@arndb.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.7 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Arnd Bergmann wrote: > On Tuesday 09 January 2007 14:47, Jeff Garzik wrote: >> Can we please avoid adding a ton of new ioctls? ioctls inevitably >> require 64-bit compat code for certain architectures, whereas >> sysfs/procfs does not. > > For performance reasons, an ascii string based interface is not > desireable here, some of these calls should be optimized to > the point of counting cycles. sysfs does not require ASCII... Jeff From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [RFC] Stable kvm userspace interface Date: Thu, 11 Jan 2007 03:26:13 -0500 Message-ID: <45A5F4A5.9000408@garzik.org> References: <45A39A97.5060807@qumranet.com> <45A39D0D.7090007@garzik.org> <200701110834.43800.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Andrew Morton , linux-kernel Return-path: To: Arnd Bergmann In-Reply-To: <200701110834.43800.arnd-r2nGTMty4D4@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Arnd Bergmann wrote: > On Tuesday 09 January 2007 14:47, Jeff Garzik wrote: >> Can we please avoid adding a ton of new ioctls? ioctls inevitably >> require 64-bit compat code for certain architectures, whereas >> sysfs/procfs does not. > > For performance reasons, an ascii string based interface is not > desireable here, some of these calls should be optimized to > the point of counting cycles. sysfs does not require ASCII... Jeff ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV