Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264973AbTFYT3A (ORCPT ); Wed, 25 Jun 2003 15:29:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264978AbTFYT3A (ORCPT ); Wed, 25 Jun 2003 15:29:00 -0400 Received: from wohnheim.fh-wedel.de ([195.37.86.122]:59047 "EHLO wohnheim.fh-wedel.de") by vger.kernel.org with ESMTP id S264973AbTFYT25 (ORCPT ); Wed, 25 Jun 2003 15:28:57 -0400 Date: Wed, 25 Jun 2003 21:42:50 +0200 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Marcus Metzler Cc: Christoph Hellwig , mocm@mocm.de, Michael Hunold , Sam Ravnborg , linux-kernel@vger.kernel.org Subject: Re: DVB Include files Message-ID: <20030625194250.GF1770@wohnheim.fh-wedel.de> References: <20030625175513.A28776@infradead.org> <16121.55366.94360.338786@sheridan.metzler> <20030625181606.A29104@infradead.org> <16121.55873.675690.542574@sheridan.metzler> <20030625182409.A29252@infradead.org> <16121.56382.444838.485646@sheridan.metzler> <20030625185036.C29537@infradead.org> <16121.58735.59911.813354@sheridan.metzler> <20030625191532.A1083@infradead.org> <16121.60747.537424.961385@sheridan.metzler> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <16121.60747.537424.961385@sheridan.metzler> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1164 Lines: 34 On Wed, 25 June 2003 20:43:23 +0200, Marcus Metzler wrote: > Christoph Hellwig writes: > > On Wed, Jun 25, 2003 at 08:09:51PM +0200, Marcus Metzler wrote: > > > > If the structures change incompatibly you're fucked anyway. Better > > > > > > Not necessarily, e.g. changing > > > > > > #define AUDIO_SET_ATTRIBUTES _IOW('o', 17, audio_attributes_t) > > > #define AUDIO_SET_KARAOKE _IOW('o', 18, audio_karaoke_t) > > > > > > to > > > > > > #define AUDIO_SET_ATTRIBUTES _IOW('o', 47, audio_attributes_t) > > > #define AUDIO_SET_KARAOKE _IOW('o', 48, audio_karaoke_t) > > > > > > or > > > > In that case yes, you are screwed. Your ABI just changed incompatibly. > > Not if you recompile. Isn't the point of an application _binary_ interface, that you don't have to recompile? J?rn -- It does not matter how slowly you go, so long as you do not stop. -- Confucius - 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/