Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762512AbXEYPUC (ORCPT ); Fri, 25 May 2007 11:20:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752169AbXEYPTy (ORCPT ); Fri, 25 May 2007 11:19:54 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:38799 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751481AbXEYPTx (ORCPT ); Fri, 25 May 2007 11:19:53 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Greg KH Cc: Jay Cliburn , Grzegorz Krzystek , Andrew Morton , Andi Kleen , ninex@o2.pl, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, Michael Ellerman , David Miller , Tony Luck Subject: Re: [PATCH 1/2] msi: Invert the sense of the MSI enables. References: <20070514093829.377e04bc@osprey.hogchain.net> <20070514160005.627435e3@osprey.hogchain.net> <20070515212200.517fcba2@osprey.hogchain.net> <20070516185225.3f3ac082@osprey.hogchain.net> <20070522204103.134bf5a2@osprey.hogchain.net> <20070525052032.GB9386@suse.de> Date: Fri, 25 May 2007 09:17:35 -0600 In-Reply-To: <20070525052032.GB9386@suse.de> (Greg KH's message of "Thu, 24 May 2007 22:20:32 -0700") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1027 Lines: 26 Greg KH writes: > Originally I would have thought this would be a good idea, but now that > Vista is out, which supports MSI, I don't think we are going to need > this in the future. All new chipsets should support MSI fine and this > table will only grow in the future, while the blacklist should not need > to have many new entries added to it. > > So I don't think this is a good idea, sorry. - The current situation is broken - In spec hardware does not require MSI to generate interrupts Which leaves enabling MSI optional. Do you have a better idea to solve the current brokenness? MSI appears to have enough problems that enabling it in a kernel that is supposed to run lots of different hardware (like a distro kernel) is a recipe for disaster. Eric - 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/