From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264494AbTLTPMx (ORCPT ); Sat, 20 Dec 2003 10:12:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264497AbTLTPMx (ORCPT ); Sat, 20 Dec 2003 10:12:53 -0500 Received: from mail-01.iinet.net.au ([203.59.3.33]:48525 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S264494AbTLTPMt (ORCPT ); Sat, 20 Dec 2003 10:12:49 -0500 Message-ID: <3FE466ED.5060701@cyberone.com.au> Date: Sun, 21 Dec 2003 02:12:45 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: Andrew Morton CC: mingo@elte.hu, hawkes@babylon.engr.sgi.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, johnstul@us.ibm.com Subject: Re: [RFC][PATCH] 2.6.0-test11 sched_clock() broken for "drifty ITC" References: <200312182044.hBIKiCLY5477429@babylon.engr.sgi.com> <20031220105031.GA17848@elte.hu> <3FE46345.1040102@cyberone.com.au> <20031220070532.05b7b268.akpm@osdl.org> In-Reply-To: <20031220070532.05b7b268.akpm@osdl.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: >Nick Piggin wrote: > >> >> >>Ingo Molnar wrote: >> >> >>>So i believe the generic relaxing of sched_clock() synchronization is >>>the right thing to do. I like your patch. It adds minimal overhead and >>>solves a hard problem - nice work! Andrew, please apply it. >>> >>> >>> >>Its a great looking patch if you must have high res sched_clock. So >>I guess I agree with it. >> > >miaow ;) > I'm just thinking that computers with unsynched clocks have less need for good interactivity, but thats probably too narrow and x86 a view anyway. > >>Can we have a scheduler day when Andrew is ready to take patches for >>it? I have a few small changes that I'd like to get merged soon too >>(not sched domains - that should probably go to the mm tree for a while) >> >>Relevant patches are >>sched-ctx-count-preempt.patch >>sched-fork-cleanup.patch >>sched-migrate-comment.patch >>sched-style.patch >>sched-migrate-affinity-race.patch >> >> > >Post 'em. > OK, I'll trim the cc list though...