Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965054AbVJUSJ5 (ORCPT ); Fri, 21 Oct 2005 14:09:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965059AbVJUSJ5 (ORCPT ); Fri, 21 Oct 2005 14:09:57 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:62903 "EHLO e32.co.us.ibm.com") by vger.kernel.org with ESMTP id S965054AbVJUSJ4 (ORCPT ); Fri, 21 Oct 2005 14:09:56 -0400 Subject: Re: Ktimer / -rt9 (+custom) monotonic_clock going backwards. From: john stultz To: Steven Rostedt Cc: Ingo Molnar , tglx@linutronix.de, linux-kernel@vger.kernel.org In-Reply-To: References: <20051020073416.GA28581@elte.hu> <20051020080107.GA31342@elte.hu> <20051020085955.GB2903@elte.hu> <1129826750.27168.163.camel@cog.beaverton.ibm.com> <20051020193214.GA21613@elte.hu> Content-Type: text/plain Date: Fri, 21 Oct 2005 11:09:46 -0700 Message-Id: <1129918192.27168.218.camel@cog.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 909 Lines: 24 On Fri, 2005-10-21 at 02:03 -0400, Steven Rostedt wrote: > With rc4-rt13 and changing cycle_t to u64, my machine ran all night > without one backward step. Since it use to show up after a couple of > hours, I would say that this is the fix. Great. I've committed that change to my tree already. > John, Do you want me to take a crack at changing the periodic_hook into > using the ktimer code? I understand Ingo's kernel much more than you, but > you definitely understand the timing code better than I. If Thomas doesn't think its a good idea, then don't worry about it. I'd be somewhat curious just how bad it is, but that can wait for now. thanks -john - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/