From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265001AbTF1BUW (ORCPT ); Fri, 27 Jun 2003 21:20:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265002AbTF1BUW (ORCPT ); Fri, 27 Jun 2003 21:20:22 -0400 Received: from aneto.able.es ([212.97.163.22]:23733 "EHLO aneto.able.es") by vger.kernel.org with ESMTP id S265001AbTF1BUV (ORCPT ); Fri, 27 Jun 2003 21:20:21 -0400 Date: Sat, 28 Jun 2003 03:34:35 +0200 From: "J.A. Magallon" To: Andrea Arcangeli Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.21rc8aa1 Message-ID: <20030628013435.GG9706@werewolf.able.es> References: <20030612032021.GB1571@dualathlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7BIT In-Reply-To: <20030612032021.GB1571@dualathlon.random>; from andrea@suse.de on Thu, Jun 12, 2003 at 05:20:21 +0200 X-Mailer: Balsa 2.0.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 06.12, Andrea Arcangeli wrote: > This version has some experimental change to the blkdev layer (latency > fixes from Chris and Nick too plus the backout of the rc6 latency change > to see if we can fix it w/o generating overscheduling, especially > because it doesn't sound the right fix), so I would recommend some > beating before doing anything critical with it. I would expect it as > worse to deadlock with some task in D state. It worked fine for me so > far but I didn't run big stress yet. In theory it should be better, but > I just wanted to give a warning until it is better tested ;). > > URL: > > http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.21rc8aa1.gz > http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.21rc8aa1/ > In sg.c, gcc shouts on: PRINT_PROC("%u\t%hu\t%hd\t%hu\t%d\t%d\n", shp->unique_id, shp->host_busy, shp->cmd_per_lun, shp->sg_tablesize, (int)shp->unchecked_isa_dma, (int)shp->hostt->emulated); shp->host_busy should be accessed through atomic_read(), I think. -- J.A. Magallon \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.2 (Cooker) for i586 Linux 2.4.21-jam1 (gcc 3.3 (Mandrake Linux 9.2 3.3-2mdk))