From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752130AbdFUTRV (ORCPT ); Wed, 21 Jun 2017 15:17:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:56424 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751156AbdFUTRT (ORCPT ); Wed, 21 Jun 2017 15:17:19 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF53621D3C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=krzk@kernel.org From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , Javier Martinez Canillas , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski , Bartlomiej Zolnierkiewicz , Sylwester Nawrocki , Olof Johansson Subject: [PATCH 4/4] ARM: exynos_defconfig: Enable locking test options Date: Wed, 21 Jun 2017 21:16:59 +0200 Message-Id: <20170621191659.10929-4-krzk@kernel.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170621191659.10929-1-krzk@kernel.org> References: <20170621191659.10929-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org exynos_defconfig, beside serving as a reference config for Exynos-based devices, is used by developers during regular development work. Enabling options responsible for locking tests allows to discover bugs in drivers and mach code earlier. This enables: 1. Detection of sleeping in atomic sections (DEBUG_ATOMIC_SLEEP), 2. Full lockdep (DEBUG_LOCK_ALLOC and PROVE_LOCKING which makes other lock debug entries unneeded), 3. Detection of soft, kernel lockups (SOFTLOCKUP_DETECTOR). Signed-off-by: Krzysztof Kozlowski --- arch/arm/configs/exynos_defconfig | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index 71b8dbcc1d65..fbd64fc0e692 100644 --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -3,7 +3,6 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_CGROUPS=y CONFIG_BLK_DEV_INITRD=y -CONFIG_KALLSYMS_ALL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_PARTITION_ADVANCED=y @@ -316,10 +315,10 @@ CONFIG_DEBUG_INFO=y CONFIG_DEBUG_FS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y -CONFIG_LOCKUP_DETECTOR=y -CONFIG_DEBUG_RT_MUTEXES=y -CONFIG_DEBUG_SPINLOCK=y -CONFIG_DEBUG_MUTEXES=y +CONFIG_SOFTLOCKUP_DETECTOR=y +# CONFIG_DETECT_HUNG_TASK is not set +CONFIG_PROVE_LOCKING=y +CONFIG_DEBUG_ATOMIC_SLEEP=y CONFIG_DEBUG_USER=y CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_DH=m -- 2.9.3