Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 16 Apr 2002 18:42:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 16 Apr 2002 18:42:27 -0400 Received: from lightning.swansea.linux.org.uk ([194.168.151.1]:26122 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Tue, 16 Apr 2002 18:42:27 -0400 Subject: Re: Faster reboots (and a better way of taking crashdumps?) To: pavel@suse.cz (Pavel Machek) Date: Tue, 16 Apr 2002 23:59:46 +0100 (BST) Cc: ebiederm@xmission.com (Eric W. Biederman), andyp@osdl.org (Andy Pfiffer), suparna@in.ibm.com, Martin.Bligh@us.ibm.com (Martin J. Bligh), linux-kernel@vger.kernel.org (linux-kernel@vger.kernel.org) In-Reply-To: <20020416100246.A37@toy.ucw.cz> from "Pavel Machek" at Apr 16, 2002 10:02:47 AM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > I totally agree. Walking the driver tree is exactly what I want. > > Disabling bus masters is just a quick hack to rule out a DMA killing > > your linux booting linux. > > Is there easy way to disable all busmasters? It might help suspend-to-disk > and suspend-to-ram to work well until proper support is done... Well there is an impolite way - just flip all the master bits off. How the device reacts is a more complex question. Really you want to ask each device to shut up - 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/