Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933919Ab2JWUnG (ORCPT ); Tue, 23 Oct 2012 16:43:06 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:42015 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933423Ab2JWUnC (ORCPT ); Tue, 23 Oct 2012 16:43:02 -0400 Date: Tue, 23 Oct 2012 13:41:51 -0700 From: "Paul E. McKenney" To: Kees Cook Cc: linux-kernel@vger.kernel.org, Greg KH , "Eric W. Biederman" , Serge Hallyn , Andrew Morton , Frederic Weisbecker Subject: Re: [PATCH 001/193] make CONFIG_EXPERIMENTAL invisible and default Message-ID: <20121023204151.GK2585@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <1351022666-6960-1-git-send-email-keescook@chromium.org> <1351022666-6960-2-git-send-email-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1351022666-6960-2-git-send-email-keescook@chromium.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12102320-5406-0000-0000-0000015D93DC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3920 Lines: 83 On Tue, Oct 23, 2012 at 01:01:14PM -0700, Kees Cook wrote: > This config item has not carried much meaning for a while now and is > almost always enabled by default (especially in distro builds). As agreed > during the Linux kernel summit, it should be removed. As a first step, > remove it from being listed, and default it to on. Once it has been > removed from all subsystem Kconfigs, it will be dropped entirely. > > For items that really are experimental, maintainers should use "default > n", optionally include "(EXPERIMENTAL)" in the title, and add language to > the help text indicating why the item should be considered experimental. > > For items that are dangerously experimental, the maintainer is encouraged > to follow the above title recommendation, add stronger language to the > help text, and optionally use (depending on the extent of the danger, > from least to most dangerous): printk(), add_taint(TAINT_WARN), > add_taint(TAINT_CRAP), WARN_ON(1), and CONFIG_BROKEN. > > CC: Greg KH > CC: "Eric W. Biederman" > CC: Serge Hallyn > CC: "Paul E. McKenney" > CC: Andrew Morton > CC: Frederic Weisbecker > Acked-by: Serge Hallyn > Signed-off-by: Kees Cook Reviewed-by: Paul E. McKenney > --- > init/Kconfig | 31 ++----------------------------- > 1 file changed, 2 insertions(+), 29 deletions(-) > > diff --git a/init/Kconfig b/init/Kconfig > index 6fdd6e3..2bf7b83 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -33,35 +33,8 @@ config BUILDTIME_EXTABLE_SORT > menu "General setup" > > config EXPERIMENTAL > - bool "Prompt for development and/or incomplete code/drivers" > - ---help--- > - Some of the various things that Linux supports (such as network > - drivers, file systems, network protocols, etc.) can be in a state > - of development where the functionality, stability, or the level of > - testing is not yet high enough for general use. This is usually > - known as the "alpha-test" phase among developers. If a feature is > - currently in alpha-test, then the developers usually discourage > - uninformed widespread use of this feature by the general public to > - avoid "Why doesn't this work?" type mail messages. However, active > - testing and use of these systems is welcomed. Just be aware that it > - may not meet the normal level of reliability or it may fail to work > - in some special cases. Detailed bug reports from people familiar > - with the kernel internals are usually welcomed by the developers > - (before submitting bug reports, please read the documents > - , , , > - , and > - in the kernel source). > - > - This option will also make obsoleted drivers available. These are > - drivers that have been replaced by something else, and/or are > - scheduled to be removed in a future kernel release. > - > - Unless you intend to help test and develop a feature or driver that > - falls into this category, or you have a situation that requires > - using these features, you should probably say N here, which will > - cause the configurator to present you with fewer choices. If > - you say Y here, you will be offered the choice of using features or > - drivers that are currently considered to be in the alpha-test phase. > + bool > + default y > > config BROKEN > bool > -- > 1.7.9.5 > -- 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/