Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752538AbXLDS0b (ORCPT ); Tue, 4 Dec 2007 13:26:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750937AbXLDS0Y (ORCPT ); Tue, 4 Dec 2007 13:26:24 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:42700 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750764AbXLDS0X (ORCPT ); Tue, 4 Dec 2007 13:26:23 -0500 Date: Tue, 4 Dec 2007 10:28:51 -0800 From: Greg KH To: Ingo Molnar Cc: Linus Torvalds , "Luiz Fernando N. Capitulino" , Linux Kernel Mailing List , herton@mandriva.com.br, dvgevers@xs4all.nl Subject: Re: [git pull] scheduler fixes Message-ID: <20071204182851.GA18208@kroah.com> References: <20071204120715.4ea204a8@mandriva.com.br> <20071204160005.GA29783@elte.hu> <20071204161827.GA491@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071204161827.GA491@elte.hu> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1189 Lines: 30 On Tue, Dec 04, 2007 at 05:18:27PM +0100, Ingo Molnar wrote: > > * Ingo Molnar wrote: > > > The problem is on SMP: if sched_rr_get_interval() gets a task from an > > otherwise idle runqueue, then rq->load.weight is 0. Normally > > sched_slice() is only used on a busy runqueue. So the correct fixup > > site is not in sched_slice() but in sys_sched_rr_get_interval() - i'm > > working on the right fix, i hope to be able to send a pull request in > > a few minutes. > > the problem is on UP too - if there are no SCHED_OTHER tasks. I've > tested the fix and it solves the problem for various combinations of > crash.c. I've updated sched.git, please pull it from: > > git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git > > It has another commit besides this fix. Thanks, Can you make up something that I can apply for 2.6.23-stable? or is this not an issue on that tree? thanks, greg k-h -- 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/