From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261381AbVFJXAB (ORCPT ); Fri, 10 Jun 2005 19:00:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261378AbVFJXAA (ORCPT ); Fri, 10 Jun 2005 19:00:00 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:65449 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S261370AbVFJW7q (ORCPT ); Fri, 10 Jun 2005 18:59:46 -0400 Subject: Flames go here (was Re: Attempted summary of "RT patch acceptance" thread) From: Lee Revell To: Andrea Arcangeli Cc: Bill Huey , Karim Yaghmour , "Paul E. McKenney" , Tim Bird , linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@elte.hu, pmarques@grupopie.com, bruce@andrew.cmu.edu, nickpiggin@yahoo.com.au, ak@muc.de, sdietrich@mvista.com, dwalker@mvista.com, hch@infradead.org, akpm@osdl.org In-Reply-To: <20050610225231.GF6564@g5.random> References: <20050608022646.GA3158@us.ibm.com> <42A8D1F3.8070408@am.sony.com> <20050609235026.GE1297@us.ibm.com> <1118372388.32270.6.camel@mindpipe> <20050610154745.GA1300@us.ibm.com> <20050610173728.GA6564@g5.random> <20050610193926.GA19568@nietzsche.lynx.com> <42A9F788.2040107@opersys.com> <20050610223724.GA20853@nietzsche.lynx.com> <20050610225231.GF6564@g5.random> Content-Type: text/plain Date: Fri, 10 Jun 2005 19:00:39 -0400 Message-Id: <1118444440.6423.125.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2005-06-11 at 00:52 +0200, Andrea Arcangeli wrote: > On Fri, Jun 10, 2005 at 03:37:24PM -0700, Bill Huey wrote: > > Some of the comments from various folks are just intolerably paranoid > > Just tell me how can you go to a customer and tell him that your > linux-RTOS has a guaranteed worst case latency of 50usec. How can you > tell that? Did you exercise all possible scheduler paths with cache > disabled and calculated the worst case latency with rdtsc + math? > > Why do you take risks when you can go with much more relaible solutions > like RTAI and rtlinux? This thread is converging back to the original "RT patch acceptance" thread. I've changed the subject line so people can distinguish the content from the flames. Lee