From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752335AbaBZNZJ (ORCPT ); Wed, 26 Feb 2014 08:25:09 -0500 Received: from moutng.kundenserver.de ([212.227.17.13]:62082 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814AbaBZNZH (ORCPT ); Wed, 26 Feb 2014 08:25:07 -0500 From: Arnd Bergmann To: Josh Triplett Subject: Re: [PATCH v2 1/5] bug: When !CONFIG_BUG, simplify WARN_ON_ONCE and family Date: Wed, 26 Feb 2014 14:24:59 +0100 User-Agent: KMail/1.12.2 (Linux/3.8.0-22-generic; KDE/4.3.2; x86_64; ; ) Cc: Andrew Morton , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org References: <469b5dc113cb468232291527642f8dc47663e945.1393385236.git.josh@joshtriplett.org> In-Reply-To: <469b5dc113cb468232291527642f8dc47663e945.1393385236.git.josh@joshtriplett.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201402261424.59875.arnd@arndb.de> X-Provags-ID: V02:K0:YSrOJBi3SxI0oFyU+P2aiFu2kGFyFesaqrc6X6cChEX jo5TK/QBajQ+UbQzVhP+VYOl9FQtdp0AtNQne1i/RkRDC2kVyI Mj6B1FdliKkqv0EXsZo0kU9sB66dRxPDh5tQFkuEBLFJ1KOH4V fLPqdfu1sxeWZtlV4V8H0QEPro906YSyJOw3cTEt7cnW50w1wY o3PNvzZ6QN8fFSdI9pd55ijCFSFgRbxmLPu4FNrVqjrhr7ZULd 0e62vh7Q1Tq9LIH1WxcQOxo9CfKW23APLD7FaTeAKNzeba/iuT 02oDh8NjRkcri5DkhO1fSzRN+N73+Pt7YPtDCLr7zLCZjmPN7L TJcVLcpS6MpHnAQ+nAlI= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 26 February 2014, Josh Triplett wrote: > When !CONFIG_BUG, WARN_ON and family become simple passthroughs of their > condition argument; however, WARN_ON_ONCE and family still have > conditions and a boolean to detect one-time invocation, even though the > warning they'd emit doesn't exist. Make the existing definitions > conditional on CONFIG_BUG, and add definitions for !CONFIG_BUG that map > to the passthrough versions of WARN and WARN_ON. > > This saves 4.4k on a minimized configuration (smaller than > allnoconfig), and 20.6k with defconfig plus CONFIG_BUG=n. > > Signed-off-by: Josh Triplett Acked-by: Arnd Bergmann