From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937699AbXGSO1D (ORCPT ); Thu, 19 Jul 2007 10:27:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761491AbXGSO0w (ORCPT ); Thu, 19 Jul 2007 10:26:52 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:53099 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756905AbXGSO0v (ORCPT ); Thu, 19 Jul 2007 10:26:51 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Message-ID: <469F749F.8030606@s5r6.in-berlin.de> Date: Thu, 19 Jul 2007 16:26:39 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.4) Gecko/20070609 SeaMonkey/1.1.2 MIME-Version: 1.0 To: "Robert P. J. Day" CC: Linux Kernel Mailing List , Arjan van de Ven Subject: Re: does CONFIG_UNUSED_SYMBOLS have any value anymore? References: In-Reply-To: X-Enigmail-Version: 0.94.1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Robert P. J. Day wrote: ... > it's not clear if that means that it was a *one-time* transition > aid which is now unnecessary, or whether it's an *ongoing* aid which > might be used at any time. currently, there are no invocations of > EXPORT_UNUSED_SYMBOL[_GPL] anywhere in the tree. so does that mean > this feature can be tossed? or might it still be used every so often? git-blame (or qgit, which I actually used) points from this part of lib/Kconfig.debug to the following chunk in Documentation/feature-removal-schedule.txt: What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports (temporary transition config option provided until then) The transition config option will also be removed at the same time. When: before 2.6.19 Why: Unused symbols are both increasing the size of the kernel binary and are often a sign of "wrong API" Who: Arjan van de Ven -- Stefan Richter -=====-=-=== -=== =--== http://arcgraph.de/sr/