Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932879AbWLNRb0 (ORCPT ); Thu, 14 Dec 2006 12:31:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932884AbWLNRb0 (ORCPT ); Thu, 14 Dec 2006 12:31:26 -0500 Received: from tmailer.gwdg.de ([134.76.10.23]:44553 "EHLO tmailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932879AbWLNRbZ (ORCPT ); Thu, 14 Dec 2006 12:31:25 -0500 Date: Thu, 14 Dec 2006 18:17:08 +0100 (MET) From: Jan Engelhardt To: Arjan van de Ven cc: Alan , =?ISO-8859-1?Q?Hans-J=FCrgen?= Koch , Hua Zhong , "'Martin J. Bligh'" , "'Linus Torvalds'" , "'Greg KH'" , "'Jonathan Corbet'" , "'Andrew Morton'" , "'Michael K. Edwards'" , linux-kernel@vger.kernel.org Subject: Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches for 2.6.19] In-Reply-To: <1166101830.27217.1037.camel@laptopd505.fenrus.org> Message-ID: References: <4580E37F.8000305@mbligh.org> <003801c71f45$45d722c0$6721100a@nuitysystems.com> <20061214111439.11bed930@localhost.localdomain> <200612141231.17331.hjk@linutronix.de> <20061214124241.44347df6@localhost.localdomain> <1166101830.27217.1037.camel@laptopd505.fenrus.org> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1283855629-1895033763-1166116628=:12730" X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1324 Lines: 38 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1283855629-1895033763-1166116628=:12730 Content-Type: TEXT/PLAIN; charset=UTF-8 Content-Transfer-Encoding: 8BIT On Dec 14 2006 14:10, Arjan van de Ven wrote: >On Thu, 2006-12-14 at 13:55 +0100, Jan Engelhardt wrote: >> >On Thu, 14 Dec 2006 12:31:16 +0100 >> >Hans-Jürgen Koch wrote: >> > >> >You think its any easier to debug because the code now runs in ring 3 but >> >accessing I/O space. >> >> A NULL fault won't oops the system, > >.. except when the userspace driver crashes as a result and then the hw >still crashes the hw (for example via an irq storm or by tying the PCI >bus or .. ) hw crashes the hw? Anyway, yes it might happen, the more with non-NULL pointers (dangling references f.ex.) However, if the userspace part is dead, no one acknowledges the irq, hence an irq storm (if not caused by writing bogus stuff into registers) should not happen. > > -`J' -- --1283855629-1895033763-1166116628=:12730-- - 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/