From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756444AbZFVSZ4 (ORCPT ); Mon, 22 Jun 2009 14:25:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753117AbZFVSZp (ORCPT ); Mon, 22 Jun 2009 14:25:45 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:38973 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752644AbZFVSZo (ORCPT ); Mon, 22 Jun 2009 14:25:44 -0400 Date: Mon, 22 Jun 2009 11:22:11 -0700 (PDT) From: Linus Torvalds X-X-Sender: torvalds@localhost.localdomain To: =?ISO-8859-15?Q?Thomas_Hellstr=F6m?= cc: Dave Airlie , Alex Deucher , Andrew Lutomirski , dri-devel@lists.sf.net, Jerome Glisse , Linux Kernel Mailing List Subject: Re: [git pull] drm: previous pull req + 1. In-Reply-To: <4A3F3E3A.2030202@shipmail.org> Message-ID: References: <4A3DABE1.50309@mit.edu> <4A3F3E3A.2030202@shipmail.org> User-Agent: Alpine 2.01 (LFD 1184 2008-12-16) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 22 Jun 2009, Thomas Hellström wrote: > > It would be very helpful if we could introduce an fbdev mutex that protects > fbdev accesses to the kernel map and to the fbdev acceleration functions. Not going to happen. Why? 'printk'. If you can't handle printk, then you're basically useless. And printk absolutely -has- to work in bad situations (the most important messages could happen in any context). Linus