From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754259AbZASQfp (ORCPT ); Mon, 19 Jan 2009 11:35:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751544AbZASQfe (ORCPT ); Mon, 19 Jan 2009 11:35:34 -0500 Received: from mx2.redhat.com ([66.187.237.31]:45148 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbZASQfe (ORCPT ); Mon, 19 Jan 2009 11:35:34 -0500 Message-ID: <4974ABBF.8020600@redhat.com> Date: Mon, 19 Jan 2009 18:35:11 +0200 From: Avi Kivity User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Sam Ravnborg CC: Ingo Molnar , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, "H. Peter Anvin" , Thomas Gleixner Subject: Re: [PATCH] KVM: Avoid using CONFIG_ in userspace visible headers References: <1232370050-7434-1-git-send-email-avi@redhat.com> <20090119130927.GC6876@elte.hu> <49747C44.1030901@redhat.com> <20090119132214.GA20722@elte.hu> <20090119162947.GA10378@uranus.ravnborg.org> In-Reply-To: <20090119162947.GA10378@uranus.ravnborg.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sam Ravnborg wrote: > With the exported headers we at least have a clear definition > what part of the headers are actually exported. > So what we have now is a much better base to cut off from. > > And there is plenty of room for improvements but it requires > someone with understanding of the kernel side and the user side to do > this. > > I for once find it hard to judge what is really used by user space and > not. Diving into glibc does not help as userspace is much more than > glibc although glibc is an important 'customer' here. > If you set up an abi directory with clear guidelines and kbuild support, actively maintained pieces could be moved by the maintainers. The rest will continue to suck, but we will have improved the kernel a little bit. -- error compiling committee.c: too many arguments to function