From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933275AbXCYJLv (ORCPT ); Sun, 25 Mar 2007 05:11:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933277AbXCYJLv (ORCPT ); Sun, 25 Mar 2007 05:11:51 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:53789 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933275AbXCYJLu (ORCPT ); Sun, 25 Mar 2007 05:11:50 -0400 Subject: Re: [v4l-dvb-maintainer] [PATCH] DVB: Delete unused header file linux/dvb/version.h. From: Arjan van de Ven To: Manu Abraham Cc: Marcel Siegert , Andrew Morton , v4l-dvb-maintainer@linuxtv.org, "Robert P. J. Day" , Linux Kernel Mailing List In-Reply-To: <1a297b360703240504u2c9e705m5601d150f15e3c45@mail.gmail.com> References: <200703231647.53780.mws@linuxtv.org> <1174665764.1158.241.camel@laptopd505.fenrus.org> <1a297b360703240504u2c9e705m5601d150f15e3c45@mail.gmail.com> Content-Type: text/plain Organization: Intel International BV Date: Sun, 25 Mar 2007 11:11:19 +0200 Message-Id: <1174813880.1158.297.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-1.fc6) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > There are cases where we need an API update since newer systems do show up. > In such a case, the only way is to provide backward compatibility > while adding in newer stuff. > > Currently we use the version major/minor for the userspace to identify > the in kernel API, while the userspace apps can remain binary > compatible this is the problem exactly! Your userspace binary knows about the kernel headers it was compiled against, not about the actual running kernel! They are very likely not the same. -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org