From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964838AbVHOQkT (ORCPT ); Mon, 15 Aug 2005 12:40:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964836AbVHOQkT (ORCPT ); Mon, 15 Aug 2005 12:40:19 -0400 Received: from e31.co.us.ibm.com ([32.97.110.129]:42701 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S964840AbVHOQkR (ORCPT ); Mon, 15 Aug 2005 12:40:17 -0400 Subject: Re: [ck] [PATCH] dynamic-tick patch modified for SMP From: john stultz To: vatsa@in.ibm.com Cc: Kyle Moffett , Con Kolivas , ck@vds.kolivas.org, Tony Lindgren , tuukka.tikkanen@elektrobit.com, Andrew Morton , linux-kernel Kernel , Andi Kleen , george@mvista.com In-Reply-To: <20050815154726.GB4731@in.ibm.com> References: <20050812201946.GA5327@in.ibm.com> <200508140053.21056.kernel@kolivas.org> <20050813164618.GA4659@in.ibm.com> <200508141018.29668.kernel@kolivas.org> <6189ECD1-1CE7-4E36-B9F4-FD4D9E5871FA@mac.com> <20050815154726.GB4731@in.ibm.com> Content-Type: text/plain Date: Mon, 15 Aug 2005 09:39:22 -0700 Message-Id: <1124123963.4722.9.camel@leatherman> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 (2.2.2-5) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2005-08-15 at 21:17 +0530, Srivatsa Vaddagiri wrote: > On Sun, Aug 14, 2005 at 12:15:38AM -0400, Kyle Moffett wrote: > > It may be a good idea to rebase this patch off the new generic time- > > keeping > > subsystem that John Stultz is working on. > > I _am_ using the new subsystem interface (->mark_offset) to catch up with lost > ticks. Only I don't think it is that good at catching up the lost ticks if we > skip ticks for few seconds in a stretch. Hey Srivatsa, The timer_opts interface is the existing interface, my work replaces it and separates timekeeping from the timer interrupt. You can find a cumulative version of my patch here: http://www.ussg.iu.edu/hypermail/linux/kernel/0508.1/0982.html thanks -john