Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261677AbVE0Nz2 (ORCPT ); Fri, 27 May 2005 09:55:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261449AbVE0Nz1 (ORCPT ); Fri, 27 May 2005 09:55:27 -0400 Received: from mx1.elte.hu ([157.181.1.137]:8895 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261677AbVE0Ny5 (ORCPT ); Fri, 27 May 2005 09:54:57 -0400 Date: Fri, 27 May 2005 15:53:10 +0200 From: Ingo Molnar To: Andi Kleen Cc: Sven-Thorsten Dietrich , dwalker@mvista.com, bhuey@lnxw.com, nickpiggin@yahoo.com.au, hch@infradead.org, akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: RT patch acceptance Message-ID: <20050527135310.GC16158@elte.hu> References: <20050525063306.GC5164@elte.hu> <1117044019.5840.32.camel@sdietrich-xp.vilm.net> <20050526193230.GY86087@muc.de> <20050526200424.GA27162@elte.hu> <20050527123529.GD86087@muc.de> <20050527124837.GA7253@elte.hu> <20050527125630.GE86087@muc.de> <20050527131317.GA11071@elte.hu> <20050527133122.GF86087@muc.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050527133122.GF86087@muc.de> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 750 Lines: 18 * Andi Kleen wrote: > AFAIK the kernel has quite regressed recently, but that was not true > (for reasonable sound) at least for some earlier 2.6 kernels and some > of the low latency patchkit 2.4 kernels. (putting my scheduler maintainer hat on) was this under a stock !PREEMPT kernel? If you can reproduce it personally, could you try the PREEMPT_VOLUNTARY option available in 2.6.12-rc5-mm1? [Despite its name it only adds cond_resched()s, not any heavier preempt mechanism.] Ingo - 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/