From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Tso Subject: Re: [PATCH 5/5] ACPI: add DMI to enable OSI(Linux) on ThinkPad T61 Date: Mon, 18 Feb 2008 19:26:57 -0500 Message-ID: <20080219002657.GO25098@mit.edu> References: <200801190240.45718.lenb@kernel.org> <20080119120830.GA16308@khazad-dum.debian.net> <20080119141727.GJ28387@mit.edu> <20080119153304.GA27060@khazad-dum.debian.net> <20080119154328.GA11024@srcf.ucam.org> <20080119231916.GK28387@mit.edu> <20080120194919.GE19295@khazad-dum.debian.net> <1203353902.6019.119.camel@queen.suse.de> <20080218191729.GB9724@khazad-dum.debian.net> <1203379259.3971.90.camel@linux-2bdv.site> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from www.church-of-our-saviour.org ([69.25.196.31]:43646 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750889AbYBSA1r (ORCPT ); Mon, 18 Feb 2008 19:27:47 -0500 Content-Disposition: inline In-Reply-To: <1203379259.3971.90.camel@linux-2bdv.site> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Thomas Renninger Cc: Henrique de Moraes Holschuh , Matthew Garrett , Len Brown , linux-acpi On Tue, Feb 19, 2008 at 01:00:59AM +0100, Thomas Renninger wrote: > > Most stuff that gets fixed by these workarounds would make no sense to > backport, because backports are much too intrusive, e.g.: Many of the workarounds really aren't that hard to backport, and the reality is after the distro locks down their kernel version in stone, and people start complaining about buggy support for the X300 laptop, or some such, the temptation will be *very* high to put in special hacks in the thinkpad_acpi driver for some bleeding edge new laptop by backporting code from a newer kernel, or grabbing a patch which is being discussed on the linux-thinkpad list, etc. So I don't think it's a good idea to assume that a single kernel version string such as 2.6.25 will have any reliability whatsoever about identifying what sort of driver workarounds might or might not be present given a particular distribution or custom kernel compiled by a user. (I normally pull in the acpi test tree into my kernels, so often my "2.6.25" kernel will have stuff that might not show up until 2.6.26.) Regards, - Ted