From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932634AbXCMTGj (ORCPT ); Tue, 13 Mar 2007 15:06:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932873AbXCMTGi (ORCPT ); Tue, 13 Mar 2007 15:06:38 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:54297 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932634AbXCMTGi (ORCPT ); Tue, 13 Mar 2007 15:06:38 -0400 Date: Tue, 13 Mar 2007 19:06:37 +0000 From: Christoph Hellwig To: Johann Borck Cc: linux-kernel@vger.kernel.org Subject: Re: considering kevent - the kernel development process Message-ID: <20070313190637.GA900@infradead.org> Mail-Followup-To: Christoph Hellwig , Johann Borck , linux-kernel@vger.kernel.org References: <45F6F590.8030909@densedata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45F6F590.8030909@densedata.com> User-Agent: Mutt/1.4.2.2i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org please cut your cc lines next time, thanks. On Tue, Mar 13, 2007 at 08:03:44PM +0100, Johann Borck wrote: > if the next section seems obvious, please skip it > ------------------------------------------------------------------------- > There is a need for a generic event handling mechanism in Linux - maybe > it is enough to cite the current CGL Performance Requirements Definition > Version 4.0 at > http://developer.osdl.org/dev/cgl/cgl40/cgl40-performance.pdf , page 13: > > PRF.5.0 Efficient Low-Level Asynchronous Events Priority P1 > Description: OSDL CGL specifies that carrier grade Linux shall provide > an efficient capability for handling a large number of essentially > simultaneous asynchronous events arriving on multiple channels, such as > multiple sockets or other similar paths. This mechanism is needed to > enforce system scalability and soft real-time responsiveness by > reducing contentions appearing at the kernel level, especially under > high load. It's not obvious, but utter bullshit. Please go away if you think starting post with quotes from CGL specs is even remotely close to a good idea.