From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [Scst-devel] Fwd: Re: linuxcon 2010... Date: Tue, 24 Aug 2010 08:56:43 -0600 Message-ID: <20100824145643.GR12892@parisc-linux.org> References: <1282148296.3035.49.camel@mulgrave.site> <4C6C1D70.7020502@vlnb.net> <41A1E2691BBB412BADCDE5F515CD8EDA@usish.com.cn> <8A96806D-6CD7-44AD-8A9D-143C098C95A4@uni-paderborn.de> <1282256949.30453.278.camel@haakon2.linux-iscsi.org> <4C701E08.2020005@vlnb.net> <1282423398.3015.39.camel@mulgrave.site> <4C73DA15.2010207@vlnb.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:34989 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753138Ab0HXO4o (ORCPT ); Tue, 24 Aug 2010 10:56:44 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Chris Weiss Cc: Vladislav Bolkhovitin , James Bottomley , Mike Christie , linux-scsi@vger.kernel.org, Chetan Loke , linux-kernel@vger.kernel.org, scst-devel On Tue, Aug 24, 2010 at 09:51:04AM -0500, Chris Weiss wrote: > ok now I'm confused, or maybe I'm not understanding ABI correctly, or > maybe you guys are using it in a way that is inconsistent with popular > convention. As a VMware user, I have experienced fully that the > kernel ABI changes in various places with every release. VMwares > drivers have to be constantly updated to match changes in kernel > function parameters and even what functions are available. You're talking about in-kernel ABI, which is constantly in flux. James is talking about user <-> kernel ABI, which is not supposed to change in an incompatible way. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."