From patchwork Wed Aug 8 21:27:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 1297881 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 658903FD8D for ; Wed, 8 Aug 2012 21:32:24 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SzDnm-000075-NY; Wed, 08 Aug 2012 21:28:26 +0000 Received: from moutng.kundenserver.de ([212.227.126.186]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SzDnZ-000057-SY for linux-arm-kernel@lists.infradead.org; Wed, 08 Aug 2012 21:28:14 +0000 Received: from localhost.localdomain (HSI-KBW-149-172-5-253.hsi13.kabel-badenwuerttemberg.de [149.172.5.253]) by mrelayeu.kundenserver.de (node=mreu2) with ESMTP (Nemesis) id 0LfWo9-1TWMcM2TM1-00onIa; Wed, 08 Aug 2012 23:28:11 +0200 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 08/10] ARM: s3c24xx: enable CONFIG_BUG for tct_hammer Date: Wed, 8 Aug 2012 23:27:56 +0200 Message-Id: <1344461278-28245-9-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1344461278-28245-1-git-send-email-arnd@arndb.de> References: <1344461278-28245-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:Vat1lTL8eeQVlmJ752ZGk7961s+zsGSpKrtJ1Mxcwy+ lFvl128Dkx9VqrBTxgsmBI/ORBUeK4iR5I6BuneJWPxymghHk3 5PJeTaYgkdce8jiI6crANGaey0YzmOVXhsGiNCzPakqry7DM2x IFoKyFyfsSigkMGpjR0UML2IYPpOpzsJQrCaJi9uHf3bxROwEX /pmIGZtZheGe2l+j6bVR3gfbEdR6JMwt1w0VGJk/0GJUbmdUqa AL15fpMFH1VJwrJL/nmu4Pruw5O3o57kiugTvrFPVd3VpNYBha W4jD+LSzyYE0P2BTJ6ei28e5H6AoRQfEchv31l20ggVoL4p3rR FK3TYmSPcOQPOuJqoGhO2fgnSzhpWSIVsVrI0P6Ngv+1gCgmgA IK5VlEyY9vHjQ== X-Spam-Note: CRM114 invocation failed X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.227.126.186 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Kukjin Kim , arm@kernel.org, Ben Dooks , linux-kernel@vger.kernel.org, Arnd Bergmann X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Disabling CONFIG_BUG creates an insane amount of build warnings, which makes it useless to check for building defconfigs to see if new warnings show up. Without this patch, building tct_hammer_defconfig results in: net/packet/af_packet.c: In function 'tpacket_rcv': net/packet/af_packet.c:1889:30: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] net/core/ethtool.c: In function 'ethtool_get_feature_mask': net/core/ethtool.c:213:1: warning: control reaches end of non-void function [-Wreturn-type] block/cfq-iosched.c: In function 'cfq_async_queue_prio': block/cfq-iosched.c:2914:1: warning: control reaches end of non-void function [-Wreturn-type] mm/bootmem.c: In function 'mark_bootmem': mm/bootmem.c:352:1: warning: control reaches end of non-void function [-Wreturn-type] net/core/dev.c: In function 'skb_warn_bad_offload': net/core/dev.c:1904:33: warning: unused variable 'null_features' [-Wunused-variable] drivers/mtd/chips/cfi_probe.c: In function 'cfi_chip_setup': include/linux/mtd/cfi.h:489:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wuninitialized] include/linux/mtd/map.h:394:11: note: 'r.x[0]' was declared here include/linux/mtd/cfi.h:489:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wuninitialized] (and many more) The size of vmlinux increases by 1.78% because of this: size obj-arm/vmlinux.nobug text data bss dec hex filename 2108474 116916 55352 2280742 22cd26 obj-arm/vmlinux size obj-arm/vmlinux.bug text data bss dec hex filename 2150804 116916 53696 2321416 236c08 obj-arm/vmlinux Signed-off-by: Arnd Bergmann Cc: Kukjin Kim Cc: Ben Dooks Acked-by: Kukjin Kim --- arch/arm/configs/tct_hammer_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/configs/tct_hammer_defconfig b/arch/arm/configs/tct_hammer_defconfig index 1d24f84..71277a1 100644 --- a/arch/arm/configs/tct_hammer_defconfig +++ b/arch/arm/configs/tct_hammer_defconfig @@ -7,7 +7,7 @@ CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_BUG is not set +# CONFIG_BUGVERBOSE is not set # CONFIG_ELF_CORE is not set # CONFIG_SHMEM is not set CONFIG_SLOB=y