Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933048Ab2HHV2a (ORCPT ); Wed, 8 Aug 2012 17:28:30 -0400 Received: from moutng.kundenserver.de ([212.227.126.186]:59777 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932631Ab2HHV2W (ORCPT ); Wed, 8 Aug 2012 17:28:22 -0400 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: arm@kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Kukjin Kim , Ben Dooks 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== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2569 Lines: 59 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 --- 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 -- 1.7.10 -- 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/