From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 9 Sep 2001 00:39:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 9 Sep 2001 00:39:32 -0400 Received: from mclean.mail.mindspring.net ([207.69.200.57]:531 "EHLO mclean.mail.mindspring.net") by vger.kernel.org with ESMTP id ; Sun, 9 Sep 2001 00:39:25 -0400 Subject: Re: Feedback on preemptible kernel patch From: Robert Love To: Arjan Filius Cc: linux-kernel@vger.kernel.org In-Reply-To: In-Reply-To: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/0.13.99+cvs.2001.09.05.07.08 (Preview Release) Date: 09 Sep 2001 00:40:02 -0400 Message-Id: <1000010407.840.35.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2001-09-08 at 13:33, Arjan Filius wrote: > I tried 2.4.10-pre4 with patch-rml-2.4.10-pre4-preempt-kernel-1. > But it seems to hit highmem (see below) (i do have 1.5GB ram) > 2.4.10-pre4 plain runs just fine. going through this thread and now looking at the highmem code, it is clear highmem is not going to be preempt safe. until Nigel or I (or someone?) can go through it all and add appropriate locks, its a bomb waiting to blow. thank you for the feedback...stay tuned. -- Robert M. Love rml at ufl.edu rml at tech9.net