From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 18 Sep 2001 18:51:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 18 Sep 2001 18:51:25 -0400 Received: from hall.mail.mindspring.net ([207.69.200.60]:3386 "EHLO hall.mail.mindspring.net") by vger.kernel.org with ESMTP id ; Tue, 18 Sep 2001 18:51:15 -0400 Subject: Re: Feedback on preemptible kernel patch xfs From: Robert Love To: jury gerold Cc: linux-kernel@vger.kernel.org In-Reply-To: <3BA72A80.6020706@grips.com> In-Reply-To: <1000581501.32705.46.camel@phantasy> <3BA72A80.6020706@grips.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/0.13.99+cvs.2001.09.17.07.08 (Preview Release) Date: 18 Sep 2001 18:52:32 -0400 Message-Id: <1000853560.19365.13.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2001-09-18 at 07:05, jury gerold wrote: > I used your patch on 2.4.10-pre10-xfs from the SGI cvs tree. > 2 files had to be changed > fs/xfs_support/atomic.h and fs/xfs_support/mutex.h > needed a include sched.h Thank you for reporting this. I just made a diff against xfs-cvs-20010917 with your changes. Obviously I can't merge the changes into the main patch since not everyone has XFS, but I will make the patch available. > rootfilesystem is ext2 everything else is xfs > athlon optimisation is switched on > chipset is via > the nvidia kernel module for OpenGL acceleration is running > hisax isdn driver for internet access > USB web cam > > I have tried heavy filesystem operations (cp -ar x y && rm -rf y) > with a big compile job -j2 and some OpenGL programs together with the > web cam Good. Then we can probably mark XFS as preempt safe (no reason to think otherwise). Those file operations were on the XFS partitions, right? > on the USB side i had some "_comp parameters have gone AWOL" messages in > the syslog from the cpia driver > but i remember them from a no preemtion kernel as well Yah, probably from mainline kernel... > so far everything is stable excellent. > i like the idea but i have not made any tests on the latency yet if you do, please post. thanks for the feedback, -- Robert M. Love rml at ufl.edu rml at tech9.net