Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752253AbXLDQlT (ORCPT ); Tue, 4 Dec 2007 11:41:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750964AbXLDQlK (ORCPT ); Tue, 4 Dec 2007 11:41:10 -0500 Received: from perninha.conectiva.com.br ([200.140.247.100]:43300 "EHLO perninha.conectiva.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750896AbXLDQlJ (ORCPT ); Tue, 4 Dec 2007 11:41:09 -0500 Date: Tue, 4 Dec 2007 14:40:59 -0200 From: "Luiz Fernando N. Capitulino" To: Ingo Molnar Cc: Linus Torvalds , Linux Kernel Mailing List , herton@mandriva.com.br, dvgevers@xs4all.nl Subject: Re: [git pull] scheduler fixes Message-ID: <20071204144059.1e1f54ca@mandriva.com.br> In-Reply-To: <20071204161827.GA491@elte.hu> References: <20071204120715.4ea204a8@mandriva.com.br> <20071204160005.GA29783@elte.hu> <20071204161827.GA491@elte.hu> Organization: Mandriva X-Mailer: Claws Mail 3.1.0 (GTK+ 2.12.2; i586-mandriva-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1241 Lines: 33 Em Tue, 4 Dec 2007 17:18:27 +0100 Ingo Molnar escreveu: | | * 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, Yes, I tested the 'sched: fix crash in sys_sched_rr_get_interval()' one and it really fixes the problem. Thanks a lot Ingo. -- Luiz Fernando N. Capitulino -- 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/