From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965461AbXCFSIv (ORCPT ); Tue, 6 Mar 2007 13:08:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965516AbXCFSIq (ORCPT ); Tue, 6 Mar 2007 13:08:46 -0500 Received: from wr-out-0506.google.com ([64.233.184.229]:41799 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965461AbXCFSIW (ORCPT ); Tue, 6 Mar 2007 13:08:22 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=nBZV9shFfCNptER1/RHVFH4tzwRQxBrQ+yk8FMvoVUoDH+wqBqCsmtW+HPwWlRdNSS8X0PerxbNqHiwsGkLgFiLD8jm/89cK9SAr5VNgZF3lmdA/jBMFQn1tVhgKERpCrDUg0RHshOFsjJgCsPdhGAzgH/cS7baOuI6mvk8XGxU= Message-ID: <75b66ecd0703061008o3fdd66e5k995e64526cfc45ab@mail.gmail.com> Date: Tue, 6 Mar 2007 13:08:20 -0500 From: "Lee Revell" To: "Bill Davidsen" Subject: Re: CONFIG_SYSFS_DEPRECATED and similar issues Cc: "Linux Kernel mailing List" In-Reply-To: <45EDA6A3.7010109@tmr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <45EDA6A3.7010109@tmr.com> X-Google-Sender-Auth: 069ea096405a88d8 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 3/6/07, Bill Davidsen wrote: > The other issue is to avoid "trap door" changes, which occur when a > kernel change requires new user tools, and the user tools will not run > with older kernels. CONFIG_SYSFS_DEPRECATED is on by default. So this upgrading the kernel does not require userspace changes, unless the user changes the config, which always has the potential to break userspace. Users can break their systems by disabling CONFIG_SYSVIPC and CONFIG_SYSCTL too... Lee